arab water world - well manageremail with your resume and work samples to: [email protected] arab...
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Desalination TechnologyEnvironmental prediction and management of brine discharges from desalination plants
Groundwater DevelopmentMethods of operation and the hazards
of over-pumping
Recycling & Water ReuseModern reuse technologies address growing water demand
Serving the Water, Wastewater, Desalination & Energy Sectors in the Middle East & North Africa - Since 1977
April 2009 / Vol. XXXIII - Issue No. 4www.awwmag.com
Arab Water Worldwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.comwww.awwmag.com April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4April 2009 / Vol. XXXIII - Issue No. 4
Photo by: Severn Trent Services
RefeR to RIN 01 on page 88
خدمات 83-76
معارضومؤمترات 75-73
أقسام 72-60
تقاريرالبلدان/املناطق 59-50
أخبارصناعية 49-26
موضوعخاص 19-6
Arab Water WorldVol. XXXIII - Issue No. 4, April 2009
عالم املياه العربيمجلد 33 - عدد رقم 4، نيسان )أبريل( 2009
1 Issue Contents2 CPH Team4 Opening Letter
1-5 InTrOduCTIOn
6-19 FEATurE desalination Technology6 – BrineDis - Environmental planning, prediction, and man-agement of BRINE DIScharges from seawater desalination plants
مقدمة 5-1العدد محتويات 1العمل فريق 2
اإلفتتاحية الرسالة 4
املياه حتلية تكنولوجياالتخطيط واإلستباق واإلدارة البيئية للمياه العالية امللوحة الناجتة التخطيط واإلستباق واإلدارة البيئية للمياه العالية امللوحة الناجتة التخطيط واإلستباق واإلدارة البيئية للمياه العالية امللوحة الناجتة - 6
ات التحلية عن محطات التحلية عن محطات التحلية
العدد مكتبة 60الشركات اتوملفاتوملفات مقابالت 62
الشركات أخبار 64 وخدمات منتجات 69وتطويرات مشاريع 71إلكترونية أخبار 72
ومؤمترات ملعارض مسبق عرض 73
Arab Water World (AWW) magazine(ISSN 1990-3952) published by
Chatila Publishing House (CPH)All rights reservedالعربي املياه عالم
(ISSN 1990-3952)للنشر شاتيال دار عن تصدرمحفوظة احلقوق جميع
معلومات 86-84
Cover photo by: Severn Trent Services
سابقة ومؤمترات معارض 74
20-25 EnErGY FOCuS Wave / Tidal Energy
20 – New wave power systems: 1.5 MW steel wave energy buoys
26-49 InduSTrY SPOTLIGHTS26 recycling & Water reuseUV technology for wastewater treatment and water reuse
Groundwater development34 - The method of operation determines the quality and quantity of water harvested from groundwater wells
Pipes & Leak detectorsActive leakage control in low pressure situations
Laboratory Equipment & InstrumentsConnects: Elevating the role of laboratory informatics into Connects: Elevating the role of laboratory informatics into Connects:the enterprise
50-59 COunTrY / rEGIOnAL rEPOrTS
IraqNew strategies and monitoring for the requirements of water projects in Iraq
TurkeyWater sector privatization and management in Turkey
ScandinaviaJungle Book (Volvo)
60-72 dEPArTMEnTS60 Industry Literature 62 Interviews & Profiles64 Corporate Happenings69 Products & Services71 Project & development72 E-news
73-75 EVEnTS
73 Event Preview74 Event review
76-83 SErVICES76 Industry Contacts80 Coming Events81 Buyers’ Guide
84-86 InFO
84 Advertisers’ Index85 AWW regulations & Guidelines86 Word of the Expert
الطاقة 25-20واجلزر واملد األمواج بواسطة الطاقة توليد
امة جديدة لتوليد الطاقة من األمواج بقوة امة جديدة لتوليد الطاقة من األمواج بقوة امة جديدة لتوليد الطاقة من األمواج بقوة 1,5 ميغاواط أنظمة عوامة جديدة لتوليد الطاقة من األمواج بقوأنظمة عوامة جديدة لتوليد الطاقة من األمواج بقوأنظمة عو - 20
املياه إستعمال وإعادة التدوير 26إعادةة ملعاجلة مياه الصرف الصحي وإلعادة إستعمال ة ملعاجلة مياه الصرف الصحي وإلعادة إستعمال ة ملعاجلة مياه الصرف الصحي وإلعادة إستعمال ة ما فوق البنفسجية ملعاجلة مياه الصرف الصحة ما فوق البنفسجية ملعاجلة مياه الصرف الصحة ما فوق البنفسجي تقنية األشعة ما فوق البنفسجيتقنية األشعة ما فوق البنفسجيتقنية األشع
املياه
القياس وأجهزة املخبريةاملخبريةاملخبرية املعدات 46 اإللكتروني اجلديد للمنشآت املخبرية اإللكتروني اجلديد للمنشآت املخبرية اإللكتروني اجلديد للمنشآت املخبرية Connects برنامجConnects برنامجConnects
العراق 50 م حلاجات مشاريع املياه في العراقات جديدة وخطط حتكم حلاجات مشاريع املياه في العراقات جديدة وخطط حتكم حلاجات مشاريع املياه في العراق ات جديدة وخطط حتكاستراتيجيات جديدة وخطط حتكاستراتيجي
تركيا 53خصخصة وإدارة قطاع املياه في تركيا
االسكندينافية الدول 56 ق ماكينات تفوق ماكينات تفوق ماكينات Volvo في األدغال البانامية
املائية الصناعات مرجع 76مقبلة ومؤمترات معارض 80
املشترين دليل 81
املعلنني فهرس 84اإلشتراكات املقاالت، نشر شروط 85
اخلبير كلمة 86
اجلوفيةاجلوفيةاجلوفية املياه 32تطويرستقاة من آبار املياه ية املياه املستقاة من آبار املياه ية املياه املستقاة من آبار املياه ة وكمية املياه املة وكمية املياه املة وكم تأثير طريقة التشغيل على نوعية وكمتأثير طريقة التشغيل على نوعية وكمتأثير طريقة التشغيل على نوعي – 34
اجلوفية اجلوفية اجلوفية التسربالتسربالتسرب كشف وأجهزة 39األنابيبم بالتسربات في املنشآت ذات الضغط املنخفضم بالتسربات في املنشآت ذات الضغط املنخفضم بالتسربات في املنشآت ذات الضغط املنخفض م بالتسرالتحكم بالتسرالتحك
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www.cph.com.lbwww.cph.com.lb
6-19 6 – BrineDis - Environmental planning, prediction, and man-agement of BRINE DIScharges from seawater desalination plants
20-25 Wave / Tidal Energy 20 – New wave power systems: 1.5 MW steel wave energy buoys
26-4926 UV technology for wastewater treatment and water reuse
3234 - The method of operation determines the quality and quantity of water harvested from groundwater wells
39Active leakage control in low pressure situations
46Connects:the enterprise
50-59
50New strategies and monitoring for the requirements of water projects in Iraq
53Water sector privatization and management in Turkey
56Jungle Book (Volvo)
60-7260 62 64 69 71 72
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73 74
76-8376 80 81
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If you are interested in joining the AWW HEC board, kindly send us an email with your resume and work samples to: [email protected]
Arab Water World (AWW) magazine Vol. XXXIII - April 2009www.awwmag.com
A WOrLd OF BuSInESS OPPOrTunITIESwww.awwmag.com
The current issue ofArab Water World (AWW)
magazine as well as archived issues is available online, free
of charge (for registered users)
Honorary Editorial Consultants (HEC Board)Mr. Abdullatif I. Al-Mugrin Water Science & Technology Association (WSTA), Bahraindr. Bakenaz A. Zeydan - Head of Water Engineering Department, Tanta University, Egyptdr. Eng. darwish Ibrahim Yousef Prof. of Yousef Office for Science & Engineering, Syriadr. Jalal Halwani - The Lebanese University, LebanonEng. Mohamad Amin Saad President Masar Technologies, USAdr. Mritunjay Chaubey - Pentair Water, IndiaEuro Ing. Prof. nidal Hilal Head of Advanced Water Treatment Research Group, School of Chemical, Environmental & Mining Engineering, University of Nottingham, UKdr. riyad Abou Maizar Associated Consultants Engineers (ACE), Bahraindr. Walid Saleh - Int’l Network on water, Environmental & Health (INWEH), The United Nations University, Jordandr. Yousef Al. rumikhani - Assistant Professor - King Abdul Aziz City for Science & Technology (KACST), Saudi ArabiaProf. Adel Sharif - University of Surrey, UKdr. Ing. Aiman Eid Al-rawajfeh - Tafila Technical University – Dep. Chemical Engineering - Jordandr. Sajid Mahmood (Azeemi) - Assistant Professor in Water Resources Management, COE in Water Resources Engineering, Lahore, Pakistandr. Adil AL Tamimi - Associate Professor of civil enginer-ing and Director of the institute of Materials Systems “IMS” School of Engineering, Anerican University of Sharjah UAE
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Project Monitor (Coming Soon)This section highlights the latest news about major projects in the MENA. It is divided into four subsections: - Tenders announcements, requesting interested companies to make proposals, noting the deadline to do so;- Biddings presented by the different interested parties;- Awarded contracts with info about the company; and- Latest updates about the projects status along with work progress. E-mail: [email protected]
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Fathi ChatilaEditor-in-Chief
فتحيشاتيالرئيسالتحرير
Mistakes and incompetence in the implementation of water storage projects
أخطاءفيتنفيذمشاريعتخزيناملياه
OPEnInG LETTEr الرسالة اإلفتتاحية
من كان للمياه، الفرد إحتياجات معدل وارتفاع السكان عدد ازدياد مع أهم ومن املتطلبات. هذه تلبي لكي إضافية مائية مصادر إيجاد الضروري األساليب التي يتم اللجوء إليها حلل هذه املعضلة، إقامة السدود والبحيرات املياه لتحلية محطات بناء اجلوفية، املائية اخلزانات إستثمار اجلبلية،
الصعاب إلى هذه كلمتي في وسأتطرق وغيرها. الصحي، الصرف مياه معاجلة املاحلة، والعراقيل التي تواجهها العديد من البلدان العربية لتخزين املياه.
بعد القيام بدراسات أولية للمجرى املائي املراد تخزين املياه عنده، يتم وضع برنامج عمل يشمل دراسات هيدرولوجية وجيولوجية ملوقع السد واملنطقة التي من املتوقع جتميع املياه فوقها، جس كهربائي للطبقات اجليولوجية عند موقع السد وحوضه، حفر آبار إستقصائية لتحديد مواصفات الطبقات اجليولوجية وعمق سطح املياه اجلوفية، دراسة اآلبار املنتشرة في حوض السد، باإلضافة إلى غيرها من الدراسات التي تساهم في جالء الغوامض التي حتيط
مبوقع السد والبحيرة.تنفيذها حتت إشراف أخصائيني تم إذا واألشغال الدراسات التي تستغرقها هذه املدة إن السد موقع مدى صالحية نهايتها في يتبني واحدة، سنة تتجاوز ال أن يجب كفوءين، والتخزين، وحتدد كمية املياه املمكن تخزينها ونوع السد املناسب للتخزين فضال عن أكالف املشروع. غير أن ما يحصل في لبنان خاصة، هو أن هذه الدراسات متتد من عام إلى عام لتصل إلى عقد أو عقدين. فالدراسات املتعلقة بتخزين مياه نهر الليطاني عند سد القرعون بدأت قبل أن ينال لبنان إستقالله في العام 1943 ولم ينته بناء السد قبل العام 1960. أما سد الشبروح، فقد بدأت الدراسات الفنية له في أواسط السبعينات من القرن املاضي ولم ينته بناء السد سوى منذ عامني فقط. أما الدراسات التي قامت بها وزارة الطاقة واملياه لسد الوقت قائمة حتى زالت وما الستينات، أوائل منذ بدأت فقد إبراهيم، نهر "جنة" على الراهن، وكذلك الدراسات املتعلقة بتخزين مياه نهر الدامور. فقد تخلت الوزارة نهائيا عن تخزين مياه هذا النهر ولوال الدراسات التي أجريتها عام 1996، لبقي موضوع تخزين مياهه
أمرا منسيا.فما هي األخطاء التي تقع فيه األجهزة املختصة، إن في لبنان أو غيره من البلدان العربية والتي تؤدي إلى إطالة أمد الدراسات العائدة لبناء السدود وتخزين املياه؟ ويكن إختصار هذه األخطاء بإثنني، أولهما: "عدم وضع الرجل املناسب في املكان املناسب". فالرجل املناسب لوضع دراسات سليمة لتخزين املياه هو من يتمتع باختصاص في علم "الهيدروجيولوجيا". أو الهيدرولوجيا أو بعلم اجليولوجيا املختصة العناصر أهم املؤسسات يتوفر لدى هذه فقد يشكل الذي اإلختصاصي إلى تفتقر أنها غير وغيرها، الكهربائي واجلس السدود بناء سليمة علمية بدراسات القيام من املؤسسات هذه لتتمكن األساس أو حجر الفقري العمود حتدد مدى صالحية املوقع الذي يتم دراسته لتخزين املياه. وعند االفتقار ملن هو ضليع بعلم إذا الضرير مثل يتصرفون الدراسات بهذه املكلفني األخصائيني فإن "الهيدروجيولوجيا"، طلب منه أن يصف الفيل. فمنهم من يصفه كاحلائط األملس، ومنهم من يصفه كخرطوم طويل عنصر إنعدام فهو اآلخر اخلطأ أما الشكل. املستدير كالعامود أو كالشجرة يصفه وغيرهم املراقبة. فهذه املؤسسات تعمل على هواها وبدون أي حسيب أو رقيب، وباستطاعتها إطالة
أمد الدراسات عاما بعد عام دون أن يشكل لها ذلك أي إحراج. إن خير مثال على ما أشرت إليه هو ما يحصل حاليا في لبنان ويتعلق مبشروع تخزين مياه نهر الدامور. وبالرغم من إعتراضي على دفتر شروط خاص باملشروع قام مجلس اإلمناء واإلعمار بوضعه لكونه يخلو من العديد من الدراسات الضرورية، فقد تم تلزيم األشغال وأتت نتائجها كما كان متوقع. فقد أخفق املجلس في وضع دراسات شاملة تكشف حقيقة الوضع التخزيني
للنهر، ومسلسل الدراسات والتوصيات اخلاطئة مستمر...
With rapid population growth and increasing demands for water, it was deemed necessary to find additional water resources to meet those needs. Concerned authorities usually resort for this purpose to build dams and artificial lakes, exploit groundwater aquifers, build water desalina-tion plants, wastewater treatment, etc… I will, in this article, touch on the main difficulties and obstacles that many Arab countries face when it comes to storing water.After preliminary studies of the course where the water is going to be stored, a working schedule is implemented, including hydrological and geological studies of the dam’s location and the area over which the water will be stored. An electric measurement of the geological layers is also conducted, test wells are drilled to have a better under-standing of the nature of these geological layers and the groundwater surface level; water wells existing in the dam’s basin are also studied. Several other studies are also conducted for additional data.These studies should only have a duration of one year approximately, provided they’re conducted under the supervision of professional ex-perts. The results should indicate how reliable the dam location is, and the approximate amount of water that can be stored, in addition to the right type of dam required and the relevant costs. In Lebanon, however, such studies carry on for years and sometimes decades. For example, studies to assess the storage capacity at the Karaoun dam of the Litani River’s water were initiated prior to Lebanon’s inde-pendence in 1943 and the dam was only completed in 1960. Techni-cal studies for the Shabrouh dam started in the mid 1970s and the dam was only completed two years ago. Studies conducted by the Lebanese Ministry of Energy and Water for the Janna dam on the Nahr-Ibrahim river, began in the late 1960s and are still being con-ducted at present. The same goes for the studies concerning the storing of the Damour River water, the Ministry had completely given up on the project and if it weren’t for the studies I have conducted in 1996, the project would have been completely forgotten.So what are the real obstacles behind these delays in water storage studies in Lebanon and the rest of the Arab World? These can be nar-rowed to two main obstacles: First, the failure to assign the right man to the right job. An individual suitable for these kinds of tasks would be a professional expert in the field of Hyderogeology. Although the concerned authorities might have among their staff hydrology and ge-ology professionals, but what they lack would be a leading hydroge-ologist who can act as the catalyst and basis for the several required study projects. With the absence of such a professional, the remain-ing professionals are as blind as bats, unable to fulfill the necessary tasks. The second main obstacle is the absence of monitoring and control official bodies. These institutions operate freely without any boundaries and can easily and shamelessly stall the duration of such studies year after year.The best example relating to the abovementioned would be what is happening nowadays in Lebanon concerning the storing of the Damour River’s water. Although I had expressed my opposition to the project’s Book of Conditions, put together by the Council of Develop-ment and Reconstruction (CDR), for it didn’t include several required studies, the council went on and commissioned the project’s works which yielded the expected results: The CDR failed in providing com-prehensible studies that would reveal the actual storing capacity for the River’s water, and the succession of flawed studies and recom-mendations persists…
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feature Desalination technologyتكنولوجيا حتلية املياه
arab Water WorlD (aWW) April 2009 / Vol. XXXIII Issue 4 www.awwmag.com06
brineDis - environmental planning, prediction, and management of BRINE DIScharges from seawater
desalination plantsThe authors are currently working together in a research project funded by the Middle East Desalination Research Center (MEDRC, www.medrc.org) on the planning, design and environmental assessment of brine discharges (www.brinedis.net.ms). The article summarizes the first results presented during a workshop in November 2008 in Oman. The objective is to discuss the elaborated tools before finalizing the project with the aim to develop a modeling framework for the environ-mental-hydraulic design of the outfall system for desalination plants. The novelty of the work is the interdisciplinary combi-nation of environmental issues with physical processes, dis-charge modeling, related plant design and regulatory issues for discharge permits.
environmental impactsThe latest figures from the 20th IDA Worldwide Desalting Plant Inventory indicate that the combined capacity of all seawater desalination plants approached 28 million m³/day by the end of 2007 of which about 76% was situated in the Middle East and North Africa (MENA) region and Southern Europe, and is still strongly growing. The largest number of desalination plants can be found in the Arabian Gulf with an installed capacity of 11 million m³/day (Figure 1), or about half (45%) of the worldwide daily production. While in the Gulf re-gion thermal processes (MSF, MED) account for 90% of the water production, the predominating process in the Mediter-ranean Sea is reverse osmosis (95% of all plants). Also note-worthy are the increasing plant sizes for these industrial size installations (Figure 2), such as the Al-Jubail (Saudi Arabia) MSF plant with 1.5 million m³/day capacity. But also outside the MENA region desalination is a fast growing market with hot-spots in Spain, California, Australia, and China.
By Tobias Bleninger1, Sabine Lattemann2, Anton Purnama3, Hamdi H. Al-Barwani3, Robert L. Doneker4, Gerhard H. Jirka1
Environmental impacts of seawater desalination plants are related to energy consumption and land use, but mainly to brine and cooling water effluent discharges into the marine environment (Einav, 2003). Due to the desalting process only approximately 10% (MSF) up to 50% (RO) of the intake water can be desalted, the rest is usually discharged back to the sea. In addition, desalination plants carry a number of waste products into the coastal environment (Lattemann and Höpner, 2003). Concentrated salt brine with increased temperature, residual chlorine levels, antiscalant and anti-foaming additives are characteristic of reject streams from distillation plants. In RO reject streams, antiscalants as well as coagulants may be present if the backwash water from coagulation and media filtration is combined with the process wastewater before discharge. Metals from corrosion are usu-ally found in varying, but relatively low concentrations. Cop-per contamination may be a concern in the reject streams of distillation plants, if copper-nickel alloys are used as heat exchangers. In addition, the reject streams, especially of RO plants, may contain harmful cleaning solutions if these are mixed with the concentrate and discharged into the sea.
The environmental impacts of selected reject stream char-acteristics (salinity and temperature, chlorine, copper) are summarized in Lattemann and Höpner (2007). Negative ef-fects on the marine environment can occur especially when high wastewater discharges coincide with sensitive ecosys-tems. The impacts of a desalination plant on the marine en-
figure 2: al Ghubrah desalination plant (largest in oman, produc-tion capacity 191,000 m³/day): brine waste discharge through an open channel at the beach into the Gulf of oman (photo: H.H. al-barwani)
figure 1: Seawater desalination capacity in the arabian Gulf. the map shows all sites with capacities > 1,000 m³/day, the capacity by country, and the total installed capacity in the sea area (lattemann and Höpner, 2007)
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vironment depend on both, the physico-chemical properties of the reject streams and the hydrographical and biological features of the receiving environment. Enclosed and shallow sites with abundant marine life can generally be assumed to be more sensitive to desalination plant discharges than exposed, high energy, open-sea locations, which are more capable of diluting and dispersing the discharges.
Water quality regulationsEffluent discharges are usually regulated by limiting pollut-ant levels in the reject streams at the point of discharge (ES - effluent standards) and in the receiving environment (AS - ambient standards). By way of example, Table 1 contains the values for two chemical pollutants (copper and chlorine) usually defined in national or international regulations (here US-EPA and Worldbank standards). The ratio ES/AS is approximately 100 for copper and 27 for chlorine. The range of 5 to 1,000 is typi-cal for most chemical as well as physical parameters, such as heat (temperature).
This ratio describes the impact of the pollutants on the eco-system, since the ES is considered to protect against acute (lethal) effects on organisms, while the AS is supposed to prevent long-time chronic influences. The ratio also express-es the necessary dilution that must be attained through phys-ical mixing or - to some extent - through biological decay and chemical transformation processes.
A “combined approach”, in analogy to wastewater discharges is proposed, which requires a regulatory mixing zone regula-tion (Jirka et al., 2004) that preserves the water quality ob-jectives and accounts for the physical aspects of the mixing processes, with the following wording:
“The ambient standards apply in the case of point sources outside and at the edge of the mixing zone. The mixing zone is a spatially restricted region around the point source whose dimensions shall be specified either according to water body type and use or on an ad-hoc basis.” A similar approach is used in the United States, the Sultan-ate of Oman, and other countries already.
Furthermore, total allowable emission loads may be specified for certain pollutants, especially those that have a tendency for accumulating in the environment, taking the pollutant con-centration and the wastewater flow rate into account.
Therefore, a good knowledge of both the effluent properties and the receiving environments is required in order to evalu-ate the potential impacts of desalination plants on the marine environment.
Table 1 Examples for effluent standards (ES) and ambient standards (AS) for two selected pollutants
Pollutant example Emission standard ES Ambient standard AS ES/AS
Copper 500 µg/l (Worldbank) 4.8 µg/l (USEPA) 104
Chlorine 200 µg/l (Worldbank) 7.5 µg/ (USEPA) 27
Mixing processesTo comply with the above described regulations, modern, large capacity plants require submerged discharges that ensure a high dilution in order to minimize harmful impacts on the marine environment. Therefore worldwide, the use of submerged multiport diffusers is increasing rapidly gaining increased acceptance as effective means for the disposal of brine effluents into coastal waters. Mixing and dispersal of the discharge plume can be enhanced by installing a dif-fuser system, and by locating the discharge in a favorable oceanographic site which dissipates the heat and salinity load quickly.
Salinity and temperature directly influence the density of the effluent. The various density differences between the brine and the receiving water represented by the buoyancy flux causes different flow characteristics of the discharge (Figure 3). The dense RO effluent flow has the tendency to fall as negatively buoyant plume and spread as a density current on the sea-floor. The effluent from thermal desalination plants is distinguished by a neutral to positive buoyant flux causing the plume to rise and to spread on the sea-surface.
For a first order of magnitude analysis a discharge calculator has been developed to compute the effluent properties (i.e. density, flow, temperature, salinity, etc.) and substance con-centrations at the discharge point. The results are used to interpret the discharge situation. Two calculators have been developed. One for dense discharges, called RO-discharge-calculator, which also includes an estimation of the near-field / initial dilution in the near-field for very simplified conditions (Jirka, 2008). The other for thermal discharges, called MSF-discharge-calculator which yet does not include an estimator for the initial dilution. This is because of the variety of con-figurations for plant complexes, where thermal desalination is only a small part. The calculators are programmed in a MS Excel spreadsheet and available for download under www.brinedis.net.ms.
Results of computations for different case-studies demon-strate the potential of the calculator to estimate the order of magnitude of expected dilutions at the discharge point and its surroundings. It furthermore allows analyzing the need for advanced discharge technologies which aim for enhanced effluent dispersion in the receiving environment and ade-quate discharge siting to avoid pollutant accumulation and to protect sensitive regions (Bleninger and Jirka, 2008). It also allows the interpretation of the probability of interaction with the intake.
figure 3: brine discharge characteristics of desalination plants (Niepelt, 2008)
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يتناول هذا املشروع النتائج األولية ملشروع أبحاث قام به الدكتور Tobias Bleninger وشركاؤه بتمويل من مركز الشرق األوسط ألبحاث حتلية املياه لدراسة التخطيط والتصميم والتقييم البيئي لعملية تصريف املياه العالية امللوحة. قدمت هذه النتائج خالل ورشة عمل أقيمت في سلطنة عمان في شهر تشرين الثاني )نوفمبر( املاضي. تهدف هذه األبحاث إلى مناقشة الوسائل املعتمدة في هذا املجال قبيل تطوير نطاق عمل لتشكيل مناذج وتصاميم هيدرولية مراعية للبيئة ألنظمة تصريف محطات حتلية املياه. وكانت آخر األرقام من رابطة حتلية املياه الدولية قد أشارت إلى أن القدرة الشاملة عامليا حملطات التحلية بلغت 28 مليون متر مكعب من املياه احملالة يوميا مع نهاية العام 2007، 76 باملئة منها في مناطق الشرق األوسط وأفريقيا وجنوب أوروبا. أكبر عدد من محطات التحلية موجود في منطقة اخلليج العربي مع قدرة شاملة تبلغ 11 مليون متر مكعب يوميا. وتتزايد قدرات هذه احملطات الضخمة تدريجيا كمحطة اجلبيل في اململكة العربية السعودية العاملة بواسطة تقنية الوميض البرقي املتعدد املراحل والبالغة قدرتها 1,5
مليون متر مكعب يوميا. يتسارع منو هذا القطاع خارج منطقة اخلليج العربي في إسبانيا ووالية كاليفورنيا األميركية وأستراليا والصني.
REFER TO rIN 06 ON PAGE 88
1Institute for Hydromechanics, University Karlsruhe, [email protected] 2Institute for Chemistry and Biology of the Marine Environment (ICBM), University of Oldenburg, [email protected] 3Sultan Qaboos University (SQU), Department of Mathematics and Statistics, Muscat, Sultanate of Oman [email protected]/sci/Math4MixZon Inc. and Department of Civil and Environmental Engineer-ing, Portland State University, Oregon, [email protected]
Discharge design and modelingThe previously mentioned screening equations are useful for an order of magnitude analysis, but are not applicable for the design and analysis of discharge systems. Prediction mod-els are needed, which include the effect of ambient currents, ambient density variations (i.e. stratified water bodies), and boundary interactions, as well as different discharge con-figurations, including multiport diffuser designs, and surface discharges.An optimized approach has been developed by coupling two different hydrodynamic models for the prediction of either the near-field mixing (CORMIX model, www.cormix.info) and/or the transport processes in the far-field (Delft3D, www.Del-tares.nl). The coupling procedure has been described in Nie-pelt et al (2008).
The developed tools are in the beta-testing phase and will be available for interested people. Further details, preliminary results, such as a comparison with laboratory studies can be found on the project homepage and have been presented
during the first project workshop in Oman (November 3 and 4, 2008) and the International Conference on Marine Waste Water Discharges and Coastal Environment - 2008, Croatia, sponsored by the IAHR/IWA Committee on Marine Outfall Systems.
ConclusionsThe presented modeling framework has been adapted to state-of-the-art water quality regulations and relevant envi-ronmental impacts from desalination plants. The modeling framework includes simple order of magnitude calculators up to planning and design models to describe the concentration distribution and optimize the design and siting of multiport diffusers.
Figure 4: Left: Laboratory setup to visualize a dense brine discharge resulting from a RO plant (Niepelt, 2008); Right: Modeled dense discharge with CORMIX.
Thus, the system will improve the permitting process for desalination brine discharges considerably for both the dis-chargers and the regulatory authorities. Furthermore, the analysis improves the plant design and operational condi-tions by optimizing the siting and design of the intake in rela-tion to the outfall.
acknowledgementsThe authors would like to thank the Middle East Desalination Research Center for its financial support and technical guid-ance. Furthermore, we are grateful that the European Desali-nation Society (EDS) sponsored our workshop activities. We thank the consultant Paul Akar (Lebanon) and the re-search assistant Anne Niepelt (University of Karlsruhe) and the student assistant Frank Münk (University of Karlsruhe) and the student John Bandas (Texas A&M University) for their continuous support of the project.
references are available upon request
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Water seems to be a superabundant natural resource on planet Earth. However, only 0.3 percent of the world’s total amount of water can be used as clean drinking water. Man requires huge amounts of drinking water every day and extracts it from nature for innumerable purposes. As natural fresh water resources are limited, seawater plays an important part as a source for drinking water as well. In order to use this water, it has to be desalinated. Hence seawater desalination is a real challenge for Western Civilization.
By Essam E. Khalil1, and Mahmoud Shaaban2
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The base method for seawater desalination is distillation. Ap-proximately 620 kWh of evaporation enthalpy is necessary to ob-tain 1 ton of drinking water. In technical installations, a multiple stage flash (MSF) evaporator is used requiring approximately 100 kWh/t (hot steam at 2 bars) and 3.5 kWh/t of electric energy for pumps. In contrast, the energy demand for reverse osmosis (RO) can be brought down to 7 kWh (large plants with pump pressure recycling and low water recovery rate) of electric en-ergy for pump operation to produce 1 ton of drinking water with a salt content of below 500 ppm from seawater (total salt content of 3.7 percent). In small plants, however, pump pressure recycling is not applicable. In this case, energy requirements rise to of 30-40 kWh/t water.
In electrodialysis however, by means of ion exchange mem-branes, the driving force is the electric power removing the ions from the water which is to be desalinated. As the amount of elec-tric power needed is proportional to the salt content of the wa-ter, it is impossible to give a specific required amount of electric energy. Therefore, this method is much more favorable in case of low salt contents, such as brackish water or water extracted from briny sources (heavily exploited fresh water sources near the sea) with an energy consumption of 3-8 kWh/t, than in case of high salt concentrations (energy required up to 20-30 kWh/t). In case of relatively low salt contents, electrodialysis is fully com-petitive with regard to RO. To opt for one method or the other, the differences between both as discussed below have to be considered. Recently, seawater desalination demand in Egypt increased during 2007 and 2008 by almost 100,000 m3/day; this can be attributed to the vast development of industrial plants and touristic resorts. It is expected that the Egyptian market would be expanding to large reverse osmosis plant capacities; also a general increase in desalinated water production capacities is expected. The Egyptian private sector is seeking the establish-ment, operation, and maintenance of larger plants between 4,000 and 6,000 m3/day or more due to the continuous improvement of the durability and performance of modern equipment which leads to reduced power consumption by 25% in comparison with earlier models. This would contribute to green energy efforts in the country. The recent modifications of the national touristic policies en-couraged business development along the north coast, in areas south of Marsa Alam and the western desert. Therefore, a larger potable water demand is expected and reverse osmosis would be the best solution to secure such water demands rather than transporting of Nile water through pipelines. The western parts of the north coast would require the establishment of at least 5 plants each of 500 m3/day capacity at the eastern parts of Marsa Matrouh and another 2 plants each of 1,000 m3/day capacity will be erected soon in tourist hotels at Matrouh. With touristic de-velopment and recreational facilities, many new golf courses are
energy-efficient desalination technology development in Egyptian industries
being established that would naturally require treated irrigation water.
Desalination processesTable 1 outlines the commercially viable desalination processes in use worldwide today. The links from the table headings lead to descriptions of the processes. These are only general guide-lines. There is no perfect process that covers all situations.For example the electrodialysis EDR schematic principles are shown in Figure 1. Electrodialysis (ED) is a process in which solutions are desalted or concentrated electrically. Salts in wa-ter dissociate into positively and negatively charged ions. The key to the ED process is a semi-permeable barrier which allows passage of either positively charged ions (cations) or negatively charged ions (anions) while excluding passage of ions of the op-posite charge. These semi-permeable barriers are commonly known as ion-exchange, ion-selective, or electrodialysis mem-branes.The electrodialysis reversal (EDR) process was developed and introduced in the early 1970s to deal with this problem. By revers-ing the electric current and exchanging the fresh product water and the concentrate wastewater streams within the membrane stack several times per hour, fouling and scaling constituents
Figure 1: Electrodialysis principles
that build up on the membrane surface in one cycle are removed in the next reversing cycle. In addition to their significant role in desalination and water treatment, the ED or EDR processes are used in products and systems for processing food, chemical, and pharmaceutical products.
Brackish Water Reverse Osmosis (BWRO), Electrodialysis Re-versal (EDR), and Seawater Reverse Osmosis (SWRO) are all membrane separation processes. The product water resulting from these processes is referred to as permeate. As a rule of thumb 1 - 2 % of salt in the source, or feed water, will pass through the membrane into the permeate. For example SWRO
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هذه الدراسة تركز على ندرة املياه في املناطق الصحراوية والتي فيها زيادة سكانية مثل مصر وتوضح اإلحتياج الشديد إلى املياه والطاقة نظرا للزيادة السكانية وإنشاء مناطق جديدة لإلسكان وكذلك ارتفاع مستوى احلياة للفرد وزيادة االستهالك في املياه وأيضا نظرا للزيادة في كل من املجاالت البترولية والصناعية والسياحية في السنوات السابقة واملقبلة مما أدى إلى التفكير في التوسع في إنشاء محطات حتلية مياه البحر
واآلبار نظرا للتقدم الكبير في تكنولوجيا محطات التحلية، والتي تتضمن تقنيات التحلية بالتناضح العكسي، والتحلية بالوميض البرقي املتعدد املراحل، وغيرها من التقنيات.
REFER TO rIN 09 ON PAGE 88
1Professor of Mechanical Engineering, F.ASME, ASHRAE, F.AIAAFaculty of Engineering, Cairo University – Egypt2 Desalination Consultant, TAM Company, Cairo [email protected]
Table 1: Types of Desalination Processes for different water Quality
Source Typical Feed TDS BWRO EDR MED MSF MVC SWRO
Potable 1.000 Yes Yes Yes Yes Yes No
Brackish 7,500 Yes Yes Yes Yes Yes No
Seawater 35,000 No Yes Yes Yes Yes Yes
Brine 60,000 No No Yes Yes Yes No
produces around 350 PPM permeate from 35,000 PPM sea-water.
Multiple Effect Distillation (MED), Multiple Stage Flash (MSF), and Mechanical Vapor Compression (MVC) are all thermal pro-cesses which produce distilled water. Typically this distillate is very pure with total dissolved solids (TDS) of 1 - 50 PPM.
energy consumptionMembrane processes normally utilize electric driven pumps as the prime source of energy but in remote locations diesel engines have been used. The thermal processes on the other hand use steam. MVC is a notable exception as this process frequently incorporates electric or diesel driven steam compres-sors as the primary source of energy. MED and MSF are clas-sical thermal processes as they utilize steam from dedicated boilers, waste heat boilers or the extraction or back pressure steam from the turbines in power stations.Since all desalination processes can use some combination of energy sources and can be designed for different levels of en-ergy efficiency, simple comparisons are difficult to make. The units for steam consumption are shown as kilograms of steam per kilogram of distillate produced. The industry norm for presenting this information is:Gained Output Ratio (GOR) = kg of distillate/ kg of steam
Some smart soul in the annals of history noticed that one pound (lb) of steam has an energy content of approximately 1,000 Brit-ish Thermal Units (BTU). This gave rise to the popular perfor-mance ratio, also known as economy, which is almost equal to GOR.
Economy = Performance Ratio = lb of distillate/1000BTU, Also Performance Ratio = kg of distillate/2326 kJEnergy consumption, operational costs and capital investment must all be compared simultaneously to provide the lowest eval-uated cost process for any given project. While some processes may be excluded from any particular project simple guidelines are difficult to provide. Desalination materialSome desalination materials may be incompatible with each other due to galvanic corrosion or other reasons. Some materi-als may not be available for all duties; examples are:
• PVC, FRP/RTRP and other non metallic pipes are not suitable for the high pressure services of SWRO • Aluminum Bronze is only suitable for non-welded applications such as bolted tube sheets • Special steels and other exotic stainless steels may only be available in plate and sheet form. Pipe fittings, instrumentation, and other components may not be available.
Concluding remarks and recommendationsThe following is a summary of the most important conclusions of the present work:
1. The present work demonstrates the significance of seawater treatment for national development in Egypt. Emphases were placed on local manufacture utilizing appropriate clean tech-nology transfer. Comprehensive technical assessments of the different alternative routes for desalination of small and medium sized units were underway. 2. The unit size for small communities was optimized as 50 m3/day and its multiplication. Reverse Osmosis units are of typical units of 250 m3/day and multiplications.3. The selection of the appropriate water desalination scheme was strongly based on site-oriented parameters such as salin-ity, low grade energy availability, pollution, demand, land cost, etc... 4. Low-grade energy sources are available as waste heat from refineries and power plants in coastal areas. For independent, environmentally clean energy, reverse osmosis is recommend-ed particularly at low feed salinity. 5. It is highly recommended to use cogeneration principles in desalination and power generation at off-grid locations.6. The local manufacturing of desalination units in Egypt had started with promising potentials, particularly with the Reverse Osmosis methods.
acknowledgementThe authors wish to express their thanks to their colleagues at Cairo University and TAM for valuable discussions and support.
references are available upon request
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SAWACO Water Desalination أسست شركةالتابعة لـ SBCC السعودية للعمل في قطاع املياه، وهي تؤمن من مركزها في جدة املياه وتقوم بتوزيعها على القطاعات الصناعية والتجارية والسكنية. لدى SAWACO حاليا يوميا مكعب متر 22,500 تبلغ شاملة مياه قدرة حتلية التي املتعددة احملطات بواسطة الساعة مدار عى تعمل
متلكها الشركة.REFER TO rIN 12 ON PAGE 88
SaWaCo’s desalination technologies
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SaWaCo Water Desalination is the main company of Saudi Brothers Com-mercial Company (SBCC) in the wa-ter sector. Saudi Brothers Commercial Company is one of the largest conglom-erates in the Middle East and is based
in Jeddah, Saudi Arabia. SBCC has a diverse range of business activities and is one of the top ranking business groups in the Middle East having vari-ous developing companies and strate-gic partnerships.
In response to the needs of businesses and families, SBCC established a water producing and supplying company ca-pable of providing good quality water, free from salt and odor at an affordable price and a reliable delivery service.
Due to increasing demand from indus-try, a rapidly growing population, and climatic changes resulting in very little rainfall over the past few years, public desalination plants are struggling to provide enough fresh water for the com-munities’ needs. The current process of bringing water from natural wells is insufficient to cater to the demands of large Saudi cities, and obviously the price is not affordable, especially during the periods of high demand. SAWACO is the answer for KSA’s water short-age.
SAWACO is blended with international process technologies and operational experience from the leading process and equipment suppliers. Its state-of-the-art facility is equipped with the most advanced technology processes at ev-ery stage of production, this ensures high quality water conforming to inter-national standards.
SAWACO assures quality water sur-passes the standards set by the World Health Organization (WHO) and the Saudi Arabian Standard Organization (SASO). In recognition of SAWACO’s advance-ment to such high production stan-dards, SAWACO is the first commercial water production company to operate in the Kingdom under a license awarded by the Ministry of Water and Agriculture. SAWACO has its headquarters in North Obhur, Jeddah.
SAWACO currently owns over 22,500 m3/day of desalination capacity un-der 24-hr operation, the company is ISO9001-2000 and HACCP certified.
SAWACO- Water Desalination
تكنولوجيا حتلية املياهموضوع خاصDesalination Technology
www.awwmag.comنيسان )أبريل( 2009 / مجلد 33 - عدد 4 عالم املياه العربي
-Su Surrey في اململكة املتحدة، ومؤسس شركة فاز البروفسور عادل شريف من جامعةrey Aquatechnology Ltd باجلائزة اإلفتتاحية جلوائز ACES للعام 2008 خالل حفل أقيم في العاصمة السويدية ستوكهولم. أتى هذا الفوز تكرميا إلجنازات الدكتور عادل شريف في مجال تطوير تقنيات حتلية املياه وتنقيتها. أعرب شريف عن مدى تشرفه بحصوله على هذه اجلائزة وعن
تشكيلها تشجيعا ودافعا له للمثابرة في هذا املجال.
تعمل شركة Dow Water Solutions منذ سنوات في مجال تأمني حلول تقنية مستحدثة في مجاالت حتلية ومعاجلة املياه. وتهدف مشاريع الشركة مؤخرا بشكل خاص إلى تخفيض تكاليف
حتلية مياه البحر بنسبة 35 باملئة مع حلول العام 2015.REFER TO rIN 13 ON PAGE 88 REFER TO rIN 14 ON PAGE 88
Surrey professor named as winner in first pan-european awards for academic enterprise
Dow aims to reduce cost of desalination by 35% by 2015
17
Professor Adel Sharif, founder of Surrey aquatechnology ltd, a spin-out from the University of Surrey, was recently named as a winner of the inaugural ACES, the Academic En-terprise Awards 2008, at a ceremony in Stockholm, Sweden. The award is in recognition of his achievements in developing water purification and desalination technologies. At Surrey, Professor Sharif and his team at the Centre of Osmosis Re-search and Applications (CORA) have conducted research into desalination and water treatment for the provision of clean drinking water in regions of the world with low natural water resources.
Surrey Aquatechnology, which is now owned by Modern Water Plc, was spun-out to commercialize a range of water purification, desalination, and renewable energy technologies developed in CORA at the Faculty of Engineering and Physi-cal Sciences.Professor Sharif comments: “I am delighted and honored to receive this award. It is very encouraging and extremely excit-ing to be selected in this category by the Science Business Innovation Panel. The selection reflects the timely importance of our desalination and water purification technologies for ad-dressing, in a sustainable way, the issues of fresh water avail-ability and environmental responsibility.”
The prizes awarded by the Science|Business Innovation Board, a blue-ribbon panel of leaders in industry, academia, and policy at a ceremony at Sweden’s Royal Academy of En-gineering, go to companies tackling major issues of health, the environment and security, and leaders of technology transfer.
Dow Water Solutions, a business unit of The Dow Chemical Company (Dow), is dedicated to providing innovative, tech-nology-based solutions to a broad spectrum of water needs –from making seawater fit for human consumption and indus-trial use, to contaminant removal in municipal water supplies, to purifying industrial and residential water, and reducing and reclaiming water used in industrial processing.
Dow Water Solutions is a comprehensive global provider of water and non-water treatment and separation solutions and services:• Reverse osmosis (RO) and nanofiltration (NF) elements• Ion exchange resins• Ultrafiltration (UF)• Electrodeionization (EDI) • Titanium-based arsenic removal media
Over the past 20 years, the company made great progress in being able to produce more water from the sea for less cost. The key success factor in achieving this goal is reducing the overall energy consumption of desalination. Dow has intro-duced elements with increased flow rates and significantly higher salt rejection. Because FILMTEC™ elements require less pressure, less energy is needed to produce more water. Other factors are at play, too, including energy recovery de-vices which use some of the pressure energy contained in the brine from the RO element. Through the introduction of new technologies, the cost of producing fresh water from seawa-ter has dropped from US$ 2.43/m3 in 1980 to US$ 0.65/m3 in 2007, according to the Affordable Desalination Collaboration. Dow’s overarching goal is to further reduce the cost of seawa-ter desalination by 35% by 2015.
These advancements are good news for countries such as Saudi Arabia, where desalination is an obvious choice for producing fresh water. Saudi Arabia is the world’s largest pro-ducer of desalinated water and, while most of the country’s facilities use evaporation and other technologies, the number of plants using reverse osmosis desalination is rising.
Schematic of the Reverse Osmosis Desalination process, where seawater is pressurized (normally 50-80 bar) through the membrane to produce clean water
Dow’s iLEC™ interlocking endcaps achieve a direct, leak-tight connection between adjacent element permeate tubes, dramatically reducing the poten-tial for seal leakage
feature Desalination technologyتكنولوجيا حتلية املياه
arab Water WorlD (aWW) April 2009 / Vol. XXXIII Issue 4 www.awwmag.com18
osmo Sistemi S.r.l would like to offer its heart-felt congratulations to Cara-mondani Group for celebrating their 50th anniversary. Osmo Sistemi, S.r.l has been a member of the Caramon-dani Group since its acquisition by the Group in 2001. Caramondani Group is a multidisci-plinary organization and it is currently one of the major electrical and mechani-cal engineering contracting companies in Cyprus and abroad with significant operations in Cyprus, Greece, Italy, and the Middle East. The Group consists of 14 companies with offices around the island of Cyprus, Athens - Greece, Fano - Italy, Amman – Jordan, and a new office in Nigbo - China. These com-panies offer a wide range of businesses including: Electrical and mechanical contracting, refrigeration, public health, steel construction and erection, trad-ing (wholesale, retail and commission base sales of machinery, telecommuni-cations, traffic, road, airport and build-ing equipment, raw materials, gases, electric, electronic devices, swimming pools, pipes, pumps etc), consultancy services, boat and car parks, O&M of large desalination plants and manufac-turing of seawater and brackish water reverse osmosis units, repair and leas-تقدم شركة Osmo Sistemi الرائدة في مجال حتلية املياه والتابعة ملجموعة شركات Caramondani Group التهنئة لألخيرة على مرور 50 عاما على تأسيسها. وكانت Osmo Sistemi قد
أصبحت عضوا في املجموعة في العام 2001. املجموعة رائدة في مجال تعهد املشاريع الضخمة في قبرص واليونان وإيطاليا والشرق األوسط، وهي مؤلفة من 14 شركة موزعة على هذه البلدان واملناطق.
اختيرت شركة Severn Trent Services لتأمني أنظمة TETRA LP Block للترشيح إلستخدامها في املعاجلة املسبقة بواسطة الترشيح في محطتي حتلية املياه في أفريقيا الشمالية وأميركا اجلنوبية.
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50 years and still growing strong
New desalination contracts for Severn trent Services
ing of sea going containers, manufac-ture of spiral and oval air-conditioning steel ducts, renewable energy – solar and wind plants.CARAMONDANI ENGINEERS (regis-tered today as CARAMONDANI BROS PUPLIC CO LTD), is the principal Group company and is one of the major Mechanical and Electrical contracting companies in Cyprus. Since the com-pany was founded in 1959 by brothers Stavros and Gerasimos Caramondanis, it has won and successfully completed a great number of projects, and it was the first company in Cyprus to introduce the PFI Private Finance Investment by Build Own Operate and Transfer – BOOT, the first RO desalination plant in Cyprus back in 1996.The Group is proud to have contribut-ed to the development of the island of Cyprus’ infrastructure, as well as the
rebuilding and expansion of its econo-my after the 1974 Turkish invasion by equipping efficiently engineered hotels, hospitals, stadiums, sewage treatment plants, irrigation networks, pumping stations, dams, airports, orts, power stations, HV switchyards, cement fac-tories and many other major projects. All this has led to valuable know–how and experience which in turn justifies the Group’s motto ‘’You can depend on it’’.
With its outstanding reputation and quality services, Group member Cara-mondani Desalination Plants Ltd., has helped in solving the island’s drought situation and in achieving indepen-dence from weather conditions by sup-plying fresh pure potable water through SWRO desalination plants.We take pride in being a part of the Car-amondani group and hope that the next 50 years will be even more successful than the last.
Severn trent Services, a leading sup-plier of water and wastewater solutions, has been selected to supply TETRA® LP Block™ filter underdrain systems for use in pre-treatment filtration systems at two desalination plants in North Africa and South America. The desalination plants have been designed and constructed by ACCIONA Agua, Spain.
The contracts are the latest of a num-ber of recent orders for TETRA LP Block systems in the desalination mar-
ket, including an order for their use at the largest desalination plant in Europe. The TETRA LP Block system will form the floors of the rapid gravity sand filters
that will treat seawater prior to desalina-tion by reverse osmosis membranes. The TETRA LP Block floor supports the sand media during filter operation and provides excellent distribution of air and water during backwashing to enhance filter cleaning and extend run times.
The desalination plants are scheduled for commissioning in 2009. The filter for the 300 million liters-per-day (MLD) plant in North Africa will employ more than 3,500 TETRA LP Blocks across 20 cells, each 5m wide and 15.5m in length, while the 400 MLD South American plant will use a total of 4,500 blocks in 18 cells, each measuring 19m x 6m.
Dhekelia Desalination Plant - Cyprus, SWRO 60,000 m³/day
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energy focusWave / Tidal energy
توليد الطاقة بواسطة األمواج والمد والجزر
ArAb WATer World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 420
new wave power systems: 1.5 MW steel wave energy buoys
A limitless power source to end our reliance on fossil fuels and with it, reduce the effects of global warming might sound like a dream but this is the reality on offer from the sea. It is a vast, mostly untapped, power source that could well hold the key to our energy needs in the future.
UK-based orecon, a leading company in the development of new wave pow-er systems, has developed a 1.5 MW steel wave energy buoy consisting of three multi-resonant chambers (MRC) held in place by a gravity base which forms a tension mooring system – de-signed to compensate for the tide, but resist movement caused by waves and increases the energy capture efficiency by more than 90%. Originally a spin-out of Plymouth University, Orecon’s tech-nology was developed by marine en-gineer Fraser Johnson who credits his problem-solving success to learning the hard way.
Fraser said: “I decided not to do A-levels and joined the Merchant Navy instead. For a number of years I worked as a Deck Officer on vessels involved in the oil and gas industry. Those vessels don’t tend to carry their own engineers so when something went wrong it was a steep learning curve and extremely hands-on. It taught me more about the problems of coping with the damage caused by extreme offshore conditions than I could ever have hoped to learn anywhere else.”
Experience that Fraser put to good use upon completion of his Marine Engi-neering degree, when he opted to study for a PhD – his topic of choice was wave energy systems.Fraser explained: “After all my time at sea and my knowledge of the power in-dustry, it was a subject that held a great fascination for me although I did seem to approach it from a rather different perspective to the academics around me. While they were all concentrating on creating the biggest, most techno-logically impressive system that would generate the most power, I looked at the mechanics already proven in the oil and gas industries and concentrated on producing a device that would actually survive the environment it was intended for.”The result was the MRC – a device de-
signed from day one to be simple, ro-bust, and to remain in operation on site for a minimum of 25 years.
simple and efficientLike other systems before it, the Orecon buoy is based on Oscillating Water Col-umns (OWC). However, unlike its pre-decessors, Orecon’s device contains three 500KW OWC chambers, which, though identical in cross-section, are different in length. The result is a device significantly more efficient than earlier models, which is equipped to extract maximum energy across all seasonal sea states. Current ratings mean that each buoy will be capable of generating 1.5 MW – that’s enough power to satisfy 1,000 homes.Simplicity is at the heart of Orecon’s entire philosophy. The 40-meter buoys are deliberately low-tech with few mov-ing parts and none that come into con-tact with the water. Indeed, only the tur-bines and drive shafts rotate and they are housed in the machinery room con-tained within the structure of the buoy. The tension mooring system ensures the buoy is also kind to the environ-ment with no continual sweeping and scouring of the sea bed. Its synthetic material tendons, already in service in other offshore structures, are highly visible to sea life and their deliberately
open arrangement in the sea means larger mammals can pass freely around them without danger of being ensnared. Maintenance is made easy as well - the lack of complex mechanics means there will be no enforced shutdowns in severe weather conditions and it also has the benefit of ensuring that all maintenance work can all be carried out on site with no requirement for large, complex sup-port vessels.
Testing and implementationFinal tank testing was completed in December 2008. Quarter scale models were produced to test the turbine, gen-erator and power conversion systems and so far, say the team; the only sur-prises have been good ones. An early off-shore test of a scale model produced equally pleasing results and Orecon’s designers are confident that MRC’s components will perform well under even the most extreme conditions.
Orecon signed an exclusive agreement with Dresser-Rand for the use of their unique HydroAir turbine technology for OWCs. The agreement will allow the companies to work closely together in offshore deep water with Orecon’s MRC and also on shoreline with breakwater projects. By sharing their expertise the companies will provide total OWC based solutions backed up by Dresser-Rand’s existing worldwide service network. To-gether they will be giving customers a high level of confidence in an emerging wave market that is normally only avail-able in long established markets such as oil and gas.
Orecon’s first full-size buoy will be de-ployed, probably off the coast of Corn-wall, in 2010. After further tests addi-tional buoys will be added to create the UK’s first commercial array.It’s a prospect that is likely to prove irre-sistible to the world’s energy companies as they attempt to dilute their reliance on oil and gas in favor of more renew-able sources. According to Orecon the
توليد الطاقة بواسطة األمواج واملد واجلزرالطاقةWave / Tidal Energy
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 21
قامت شركة Orecon البريطانية، الرائدة في مجال أنظمة توليد الطاقة بواسطة األمواج واملد واجلزر، بتطوير عوامات فوالذية بقدرة توليد 1,5 ميغاواط من الطاقة بواسطة األمواج وهي مؤلفة من ثالث Fraser حجرات رنانة مصممة للتعويض عن قوة املد واجلزر ومقاومة احلركة التي تسببها األمواج وزيادة فعالية إلتقاف الطاقة بنسبة أكثر من 90 باملئة. طورت تقنية الشركة هذه بواسطة املهندس البحري
Johnson، وبإمكان كل عوامة بحسب األرقام أن تؤمن طاقة كافية أللف منزل إذا كانت بقدرة 1,5 ميغاواط.REFER TO rIn 18 ON PAgE 88
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cost of power produced from waves will be just as attractive as wind pow-er. Where the MRC soars ahead is in power density with a yield of 100 MW of power for every square kilometer of ocean compared to around 11 MW for offshore wind power.
But there are still many hurdles to over-come, not least of which is winning back the support of the UK government. With most of the major power compa-nies playing a waiting game, the wave industry is still heavily reliant on private investors to fund the development. It is vital work that could reap billions of pounds in the future – a point made by David Crisp when he chaired Lon-don’s first ever Wave Energy Summit last summer.
Mr. Crisp told the conference: “It is time for government and all political parties to put real support into the industry.
Political and regulatory uncertainty is a significant risk and, as such, a de-terrent for investors. The government must now send out the right signals and make real and reliable commitments to the industry”.
Significant political support, he said, could produce dramatic results for the UK wave industry with substantial, posi-tive knock-on effects for the rest of the UK economy for years to come.Mr. Crisp said: “As I speak the UK leads the world in Wave Energy and we also have the best wave resources in Eu-rope. This is a tremendous opportunity for us all – it’s about jobs and economic benefit in an industry we can be proud of for its sustainability.”
conclusionWith a team boasting almost 200 years of combined experience of working off-shore, Orecon proves that the UK has the experts and expertise required to take on the world. And with 70% of our planet covered in this valuable energy resource, the battle of the waves is one, they say, that the UK can ill afford to lose.
www.orecon.com
energy focusWave / Tidal energy
توليد الطاقة بواسطة األمواج والمد والجزر
ArAb WATer World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 422
وقعت شركة Marine Current Turbines البريطانية إتفاق شراكة مع شركة Minas Basin Pulp and Power الكندية لعرض وتطوير تقنيات طاقة من املد واجلزر ومرافق تابعة في خليج Bay of Fundy في مقاطعة Nova Scotia في كندا. وتخطط الشركتني لتركيب نظام توليد طاقة بواسطة املد واجلزر بقدرة 1,5 ميغاواط لدى إكتمال مركز توليد الطاقة بواسطة املد واجلزر وبدأ العمل
.Nova Scotia به ووصله بالشبكة الكهربائية ملقاطعةREFER TO rIn 20 ON PAgE 88
Marine current Turbines enters partnership with Canadian resources company to develop tidal energy project
in Nova Scotia
Marine current Turbines ltd (McT), the UK tidal energy company, has agreed a partnership with Canada’s Minas Basin Pulp and Power Company Ltd to demonstrate and develop tidal power technology and facilities in Canada’s Bay of Fundy, Nova Scotia.
Minas Basin Pulp and Power Company Limited (MBPP) of Hantsport, Nova Scotia is a leading sustainable energy and resources company. Working in partnership with MBPP, Marine Current Turbines (MCT) will participate in the tidal power demonstration center established by the Province of Nova Scotia. MBPP and MCT intend to deploy a 1.5 MW tid-al generator when the in-stream tidal energy center enters full operation and is connected to the Nova Scotia grid.
MCT is one of the world’s leading tidal technology develop-ers. The company installed the world’s first offshore tidal current device in 2003 off the south west coast of England (the 300 kW SeaFlow) and during 2008, it installed and commissioned its 1.2 MW Seagen commercial prototype tidal current turbine in Strangford Narrows in Northern Ire-land. Seagen generated at its full output of 1.2 MW onto the local grid in December 2008, becoming the most powerful marine energy device in the world. It has the capacity to generate power for approximately 1,000 homes.
“We are very excited to combine our extensive experience in resource and energy development with MCT’s leading UK tidal power technology,” said Scott Travers, President and COO of MBPP. “We were one of the original devel-opers of power generation, transmission and distribution in Nova Scotia, and we still operate a major renewable hydro
generating facility. Tidal power has significant potential benefits for all Nova Scotians,” he concluded.Martin Wright, Managing Director of MCT welcomed the development. “This is an excellent opportunity to work to-gether with a substantial local partner in MBPP and expand our activities into Canada. It builds on the development of our technology in Northern Ireland and will complement our first 10 MW farm development in the UK, planned for off the North Wales coast. MBPP will make an excellent fit be-cause both our organizations bring complementary experi-ence and important resources to the table.”
He added: “given the growing need for new and alternative forms of power generation, there is a sizeable and exciting opportunity for both our firms to work together in Canada to harness the power of the tides on a commercial basis.”“We hope first to be in a position to address the potential in-vestment and job creation prize for Nova Scotians when tid-al power commercial development moves to the next step. There is a potential new industry here employing hundreds of people in operations and manufacturing and deployment of tidal power technology, here and globally,” concluded MBPP’s Scott Travers.
Marine Current Turbines Ltd is based in Bristol, England. The company was established in 2000 and its principal cor-porate shareholders include BankInvest, ESB International, EDF Energy, Guernsey Electricity, and Triodos Bank. In September 2008, MCT was ranked in The Guardian/Library House Top 10 of European clean-tech firms. In November 2008, the company appointed Cavendish Corporate Fi-nance to secure new investment in the company in order to take forward its development plans.
HR Seagen crossbeam raised with yacht in front
HR Seagen installed with graphic inset
توليد الطاقة بواسطة األمواج واملد واجلزرالطاقةWave / Tidal Energy
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 23
أعلن مشروع Wave Hub الرائد في مجال الطاقة من األمواج، واملقرر بناؤه السنة املقبلة قبالة شاطىء جنوب غرب إنكلترا، عن بدأ شراكة مع Orecon التي ستقوم بشغل املرسى الرابع في املشروع والذي سيبدأ العمل به في شهر آب )أغسطس(
من العام املقبل.REFER TO rIn 21 ON PAgE 88
Wave Hub chooses orecon as new
device developer
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Wave Hub, the pioneering wave energy project on course to be built next year off the coast of South West England, has announced another wave energy development partner. orecon limited will occupy the fourth berth at Wave Hub, which aims to be operational from August next year.
Orecon succeeded last year in raising US$ 24 million of private investment for the development of its wave to energy buoy, which can generate enough pow-er for 1,000 homes.Orecon takes the place of Australian company Oceanlinx, which was expect-ed to use Wave Hub. The company has since received a grant from the Austra-lian government and has decided to make its next deployment in Australian waters.
Wave Hub will be a giant electrical ‘socket’ on the seabed, some 16 kilo-meters offshore and connected to the National grid, into which wave energy device developers can plug their devic-es and carry out pre-commercial testing on a scale not seen before.
It is already being hailed as one of the UK’s flagship renewable energy proj-ects and is one of just six case stud-ies to feature in the government’s Low Carbon Industrial Strategy, which was launched in London on March 6, 2009 by Prime Minister Gordon Brown, Cli-mate Change Secretary Ed Miliband, and Business Secretary Lord Peter Mandelson.
Nick Harrington, Head of Marine En-ergy at the South West Regional Devel-opment Agency (RDA), which is lead-ing the Wave Hub project, said: “This is just the latest exciting development for Wave Hub, which is on course to be built next summer.“We are now tendering for the electri-cal equipment and sub-sea cable, have
agreed a new design that potentially gives us more generating capacity as technology evolves, and have applied for a safety zone around the project.
“Orecon is at a crucial stage in develop-ing its technology and we hope Wave Hub will be the springboard to full scale commercialization.”
energy focusrenewable energy news
أخبار الطاقة المتجددة
ArAb WATer World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 424
أعلنت شركة Enviromena Power Systems، وهي شركة جتميع أنظمة الطاقة الشمسية التي تتخذ من أبو ظبي مقرا لها، في شهر تشرين الثاني )نوفمبر( املاضي عن حصولها على شهادة ®CarbonNeutral كجزء من إلتزامها بالتنمية املستدامة. وتأتي هذه الشهادة التي متنحها شركة CarbonNeutral، وهي منظمة تعنى باحلد من إنبعاثات الكربون والتغير املناخي وتتخذ من العاصمة
البريطانية لندن مقرا لها، لتقر بأن شركة Enviromena إلتزمت مبعاجلة التغير املناخي، وذلك من خالل تقليل إنبعاثات الكربون من مشاريعها بشكل كامل.REFER TO rIn 23 ON PAgE 88
enviromena power systems amongst uAe’s first carbonneutral® companies
enviromena Power systems (“enviromena”), an Abu Dhabi-based solar power systems integrator, announced in November 2008 that it has achieved the international Carbon-Neutral® certification as part of its commitment to sustainable development. This certification, awarded by The CarbonNeu-tral Company (“CarbonNeutral”), a leading London-based carbon offset and climate change organization, recognizes that Enviromena has committed to tackling climate change by reducing their business emissions to net zero.
Established in Abu Dhabi in October 2007, Enviromena is one of the first alternative energy providers in the United Arab Emirates. Enviromena is a solar power systems integrator dedicated to meeting the growing energy needs of the Middle East and North Africa (MENA) region through the creation of environmentally friendly, zero carbon, turnkey solar pow-er solutions. The company specializes in custom-designed photovoltaic power systems for residential and commercial developments, utility scale solar farms, and also designs and installs solar hot water systems and solar powered lighting.
“Enviromena is one of the first companies in the UAE to off-set and neutralize their carbon emissions,” noted Shezan Amiji, Managing Director of EcoVentures, CarbonNeutral’s affiliate partner in the Middle East. Sami Khoreibi, Chief Ex-ecutive Officer of Enviromena, summarized his company’s commitment, “Reducing the impact of climate change is at the heart of our corporate philosophy. Our decision to be-come a carbon neutral company is simply an example of our values put into action”. He continued, “By taking responsibil-ity for our own carbon footprint and reducing it to net zero, we are supporting the environmental initiatives taken by the UAE and contributing to valuable long-term solutions to cli-mate change overall.”
Dr. Sultan Al Jaber, Chief Executive Officer of the Masdar Initiative, welcomed Enviromena to the growing pool of al-ternative energy service providers in the UAE. “Masdar is a platform for collaboration in future energy and sustainability technologies,” Dr. Al Jaber said. “We welcome and encour-age regional and global companies to this promising sector. We see them as helping us meet the growing energy chal-
lenges whilst contributing to economic growth and the goal of achieving a clean energy future for the world.”
Sami Khoreibi commented, “We decided to launch our com-pany in Abu Dhabi based on the ambitions and vision of the Masdar Initiative. Private sector developers and govern-ment bodies have also shown their dedication to the envi-ronment through the implementation of solar technologies in their developments and we expect this practice to continue.” He continued, “Solar integration is a critical component of sustainable building design – it addresses the root cause of global warming through the creation of smart clean energy production and we are very excited to provide developers with green solutions.”
Enviromena has attracted a dynamic team of highly experi-enced engineers and project managers since its inception, including industry expert Robert Dally, Enviromena’s Direc-tor of Engineering, who has over 30 years experience in the California solar industry and was a lead solar energy system designer for numerous spacecrafts for the US space pro-gram.
Enviromena’s solar power solutions create clean power, ac-tively contributing to reducing climate change and creating a sustainable future.
The CarbonNeutral Company is the world’s leading carbon offset and climate consulting business, working with over 300 major businesses and 60,000+ consumer clients. Over the last ten years, the company has purchased carbon cred-its from almost 200 projects spread over six continents.
CarbonNeutral® is the registered trademark of The Carbon-Neutral Company (TCNC) and is the leading brand mark and quality standard for action on climate change. Permission to display the CarbonNeutral mark is only given to clients of TCNC when CO2 emissions have been measured and reduced to net zero through a program implemented in ac-cordance with The CarbonNeutral Protocol. This Protocol assures quality of offset projects, carbon footprint assess-ments and communication and is regularly reviewed by an Independent Advisory group.
The ‘audit trail’ includes an annual independent verification of CarbonNeutral programs – from contracts with carbon off-set partners through to contracts with clients and everything in between. The Head Office is located in London with offices in New York and San Francisco and a network of affiliates in Japan, Canada, France, the UAE, and Asia Pacific.
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industry spotlights recycling & Water reuseإعادة التدوير وإعادة إستعمال املياه
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 426
uV technology for wastewater treatment and water reuse
In the past two decades, ultraviolet (UV) technology has received increasing attention for a variety of applications, including drinking water, wastewater, industrial, residential, aquatic, and commercial. Perhaps the largest of these applications is for treating municipal wastewater as an alternative to chlorination and dechlorination for secondary effluents, prior to discharge in the natural environment. UV continues to emerge as a preferred technology for a number of reasons, including concerns associated with the handling, trans-port, and storage of chemicals, as well as the requirement for dechlorination post-chlorination. A chemical-free treatment, UV is not corrosive nor poses a hazard because of accidental overdosing.
By Dr. Bertrand W. Dussert*
UV is also gaining in popularity for wa-ter reuse applications. Many arid re-gions, especially those with growing populations such as the Middle East, are cleaning wastewater to a high stan-dard and then reusing it for applications such as irrigation. Chlorine disinfection has traditionally been the most common method for wastewater reuse treatment, but concerns regarding the formation of disinfection by-products (DBPs) are driving a switch to other methods like UV, which does not produce DBPs.
reduced capital and operational costs with open-channel systems Capital and operational costs of units are being driven down by increasing competition and technological advances in the market. Capital costs, other than those of the initial equipment purchase, are decreasing through the benefits of smaller system footprints. Using a UV unit it is not necessary for large new infrastructure to be built to house the units, and in some cases the unit can fit into existing buildings and treatment channels.
Open-channel vertical UV systems’ design also helps reduce operational costs. The module’s top door can be opened, and the lamp can be simply pulled out. This makes the system eas-
ier to maintain and more user-friendly, cutting down on the amount of time and cost associated with maintenance.
Open-channel vertical systems are also more economical to operate than hori-zontal systems through the increased control of flow pacing. In a basic hori-zontal system, flow pacing can be car-ried out by turning on/off the entire mod-ule or by dimming the lamps. Vertical systems allow operators to turn mod-ules partially or fully on/off. Doing so saves power and extends lamp life.
Open-channel horizontal systems are ideal for smaller flows and can be more economical than vertical systems for these capacities. They can be pre-engineered or custom-designed to fit into any existing space. Additionally, remote-mounted electronics enhance the installation flexibility.
Compact, easy-to-install closed-ves-sel systemsClosed-vessel systems are usually the system of choice for pressurized facili-ties. They are also able to offer capital cost reductions when the installation cost is critical. Closed-vessel systems are able to offer a compact design and therefore, considerable savings in space. This design feature saves on
capital investment of new or additional construction due to the condensed de-sign. The systems are also easy to in-stall into the existing pipe work, again decreasing the initial capital costs and avoiding plant downtime.
Common features of both types of systemsBoth open and closed systems have a number of factors in common that make UV an effective alternative to other methods of disinfection. Continuous treatment performance is critical. Sys-tems benefit from automatic cleaning to prevent quartz sleeve fouling which, in turn, ensures optimum treatment. Mul-tiple lamp technologies are available, such as low-pressure/high-output, low-pressure/amalgam, and medium-pres-sure lamps. The product can therefore be tailored to the plant’s specific appli-cation needs and treatment objectives.
ConclusionThe UV market has matured and ad-vanced considerably in recent years. Both open-channel and closed-vessel systems are able to provide both capital and operational cost advantages over traditional chlorine treatment.
This compact UV system uses powerful medium-pressure lamp technology
Open-Channel Barrier® VE Sunlight UV System from Siemens Water Technologies
إعادة التدوير وإعادة إستعمال املياهأخبار صناعيةRecycling & Water Reuse
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 27
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*Bertrand W. Dussert, Ph.D. is global product manager for UV technologies at Sie-mens Water Technologies, based in Vineland, n.J., USA. The newly appointed President-Elect of the International Ultraviolet Association (IUVA) can be reached at [email protected] www.siemens.com/uv
تزايدت نسبة إستعمال تقنيات املعاجلة بواسطة األشعة ما فوق البنفسجية في السنوات الـ20 األخيرة، وذلك في مجاالت معاجلة مياه الشرب ومياه الصرف الصحي الصناعية واملنزلية والبحرية والتجارية. التقنية مستعملة بشكل أوسع في مجال معاجلة مياه الصرف الصحي البلدية. هذه األنظمة تساهم بخفض التكاليف الرئيسية لتركيبها وتكاليف تشغيلها، وهي سهلة التركيب والصيانة نظرا لتصاميمها املتراصة.
تقدم شركة Siemens Water Technologies في هذا املجال سلسلة أنظمة Barrier للتنقية بواسطة األشعة ما فوق البنفسجية وهي مصدقة عامليا لإلستعمال بشكل خاص في مجال إعادة إستعمال املياه، وهو قطاع تتنامى شعبيته في اآلونة األخيرة.
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siemens Water technologies’ line of Barrier UV disinfection systems can be used for drinking water, industrial, aquatics, residential, commercial, wastewater, and water reuse applications. Siemens’ Barrier UV systems for wastewater appli-cations have a variety of features, including vertical and horizontal open-channel configurations as well as closed-vessel, chambered configurations.
As UV technology has become more popular for reuse applications, Siemens certified its Barrier Sunlight V-48E-A300 UV system for water reuse applications (national Water Research Institute guidelines; Title 22 requirements).
siemens’ barrier® uV system
growing populations, combined with already limited water resources and increasingly stringent water discharge regulations, have led to an increased acceptance towards the use of UV for water reuse and wastewater treatment. A proven chemical-free technology that is effective at treating water and at dis-abling harmful waterborne pathogens such as Cryptosporidium, UV will con-tinue to gain popularity well into the fu-ture.
UV in water
industry spotlights recycling & Water reuseإعادة التدوير وإعادة إستعمال املياه
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 428
أعلنت بيئة، وهي شركة الشارقة للبيئة، في كانون األول )ديسمبر( املاضي أن عملياتها التوسعية املستمرة التي تهدف إلى توفير خدمات إعادة التدوير للمشاة قد وفرت في الوقت احلالي مراكز إلعادة التدوير اخلاصة باملشاة في الكثير من احلدائق في الشارقة. وتسمح مراكز إعادة التدوير لزوار احلدائق برمي مخلفاتهم القابلة للتدوير في مستوعبات خاصة واملشاركة في خطط التدوير التجريبية التي تتبناها شركة بيئة. وتشمل مجموعة احلدائق التي يكن لزوراها اإلستفادة من مراكز إعادة التدوير: حديقة الشارقة الوطنية، وهي أكبر حديقة في اإلمارة. ويخدم هذه احلديقة التي تبلغ مساحتها 630 ألف متر مربع مراكز إلعادة التدوير مكونة من 33 خط في الوقت الراهن، ما يجعل احلديقة أكثر حفاظا على البيئة مع احلرص على نظافتها في الوقت ذاته. وفي املناطق التي يزداد تردد الناس عليها، يطلب من الزوار املشي ملسافة ال
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sharjah parks become truly ‘green’ as bee’ah brings recycling facilities to visitors
bee’ah, the Sharjah Environment Company, announced in December 2008 that its continuing expansion of the provi-sion of recycling facilities has now brought 268 pedestrian recycling centers to several parks in Sharjah, in the UAE. The pedestrian recycling centers allow visitors to the parks to deposit their recyclable waste and contribute to the pilot recycling schemes of Bee’ah.
The parks where visitors can benefit from the expansion of the pedestrian recycling center scheme include Sharjah na-tional Park, the largest park in the Emirate. Its 630,000 square meters are now served by 33 three-stream pedestrian recy-cling centers, making the park more environmentally-friendly as well as cleaner. In the areas that see the greatest footfall, visitors will have to walk no further than 50 meters to deposit their recyclable waste.
Commenting on the expansion, Samer Kamal, Managing Di-rector, Bee’ah said, “It’s appropriate that visitors to some of Sharjah’s most beautiful areas can now contribute to the en-vironmental health of the Emirate. We’re fully confident that this phase of expansion will prove to be as successful as the first phase of the pedestrian recycling center roll-out, paving the way for a continued expansion that will see a huge pro-portion of the Sharjah population given easy access to the centers. now the parks of Sharjah are green in more than just appearance.”
The installation of the centers follows a highly successful trial on the Buhairah Corniche, where the 130 centers are heavily used, requiring them to be emptied daily. A correct usage rate of more than 80% is on par with long-established facilities in western countries, demonstrating the desire of the Sharjah populace to play a key role in contributing to the environmen-tal well-being of the Emirate.
Bee’ah has invested heavily in making the pedestrian recy-cling centers available. As well as purchasing several thou-sand of the centers, specialized equipment has been pro-cured, making installation by trained personnel possible in as little as seven minutes. Kevin Croucher, Director, Logistics & Procurement explained, “By carefully selecting equipment and skilled people, we are able to install the centers in a highly efficient manner. As well as maximizing the speed with which we make these facilities available to the public, the reduction in installation time cuts down on the resources we use, bring-ing further environmental benefits.” In addition to the provision of pedestrian recycling centers, Bee’ah is operating: Pilot commercial recycling schemes that have seen more than 4,000 Blue Bins delivered to offices and commercial operations around Sharjah, including at the fi-nance Department of the Sharjah government; a pilot resi-dential recycling scheme in Lagoon Tower, Sharjah; the sign-ing of a Memorandum of Understanding (MoU) with Hamriyah free Zone whereby Bee’ah acts as regulatory and monitor-ing partner of the free Zone Authority; and continued work on the improvement and development of the Al Saja’a waste management site in cooperation with Emirates Environmental Technology (EET) Co. LLC.
Bee’ah is a Public Private Partnership (PPP) Environmental Company, founded in 2007 and operating in the Emirate of Sharjah. The primary mission of Bee’ah is to help transform Sharjah into a ‘green’ Emirate with sustainable environmental best practices, providing fully integrated environmental stra-tegic solutions and services for commercial, industrial, and residential groups.
إعادة التدوير وإعادة إستعمال املياهأخبار صناعيةRecycling & Water Reuse
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 29
KWt group selected penstock supplier for project DS161
اختيرت شركة KWT group الهولندية لتأمني 10 قنوات ضبط جريان مياه مصممة للعمل في البيئات القاسية وذلك لصالح محطة ضخ X1 في دبي من دولة اإلمارات العربية املتحدة. كان قد بدأ العمل .DS161 بهذا املشروع في شهر أيلول )سبتمبر( 2007 ويتضمن بناء احملطة بقدرة ضخ 4,500 ليتر في الثانية، ويعرف هذا املشروع بإسم
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KWt group, a leading Dutch based manufacturer of high quality water man-agement systems, has been selected to deliver all 10 heavy duty penstocks for Pumping Station X1 in Dubai, UAE. KWT Group records another first, after having been selected for the Sharjah Sewage Plant extension #7 and parts of Dubai Sports and Motor City.
Known as the leading manufacturer of HDPE and stainless steel 316L pen-stocks, valves, tilting – and overflow weirs in water-rich Holland, KWT is proud to be a supplier in this important initiative.
The entire project started in September 2007, and comprises the construction of phase 1 of pumping station X1 with a capacity of 4,500 liters per second (to-
tal capacity 9,000 lps), also known as project DS161.
The pumping station site is adjacent to the roundabout at the Emirates Road near Dubai Sports City and Dubai Auto-
drome. Its rising mains will be linked to other pumping stations and more than 16 km of Dn1400 mm gRP pipes lead-ing to the new sewage treatment plant at Jebel Ali, currently under design and positioned not far from Jebel Ali Airport.
The project has been initiated by the Dubai Municipality. KWT group is ven-dor listed and fully approved by the Dubai Electricity and Water Authori-ties (DEWA). Its aim is at achieving the strategic objective of linking all areas of Dubai with a drainage network by the end of 2011. It forms part of the Drain-age and Irrigation Department’s vision and strategic direction to provide drain-age and irrigation services for creating an excellent city that provides the es-sence of success and comfort of living, according to the Municipality.
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industry spotlights recycling & Water reuseإعادة التدوير وإعادة إستعمال املياه
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 430
يتوقع زيادة عدد سكان العالم بشكل ملحوظ من اآلن وحتى العام 2020 مما سيزيد الضغط على موارد املياه وسيدفع مبعظم الدول إلى إعتماد تقنيات جديدة لتأمني املياه كإعادة إستعمالها. وتؤمن Severn Trent أنظمة TETRA® DeepBedللترشيح في هذا
املجال وتقوم بتركيبها في عدة منشآت حول العالم.
WSAC أنظمة وتصنيع بتصميم niagara شركة تقوم احلرارة لنقل فعالة تقنيات تشكل وهي والتكثيف، للتبريد واحملافظة على وتوفير املياه التي حتتاج إليها احملطات، وإعادة
إستعمال املياه املنخفضة النوعية لتكثيف البخار.REfER TO rin 30 On PAgE 88 REfER TO rin 31 On PAgE 88
innovative reuse technologies address growing demand for water
niagara closed-loop, evaporative wet
surface air coolers conserve water
niagara designs and manufactures Wet Surface Air Cooler (WSAC™) closed-loop, evaporative coolers and condensers as a cost-effective tech-nology for both heat transfer and water conservation. Used in a wide variety of industries, applications for these WSAC coolers and condensers include fluid loop cooling, direct vapor condensing, hydrocarbon de-superheating, and sub-cooling. The system enables reusing low quality water to condense steamThe use of WSAC systems may reduce the amount of water required in a plant due to the ability to use low quality wa-ter as spray makeup. Commonly used for adding capacity in “thermally chal-lenged” plants, WSAC coolers and con-densers offer additional direct cooling without having additional tower capacity or makeup water.The basic principle of WSAC technol-ogy is that heat is rejected by means of latent (evaporative) heat transfer. Warm process fluids or vapors are cooled in a closed-loop tube bundle. Open-loop water is sprayed and air is induced over the tube bundle resulting in the cooling effect. The process fluid being cooled never comes in contact with the envi-ronment. Due to the closed-loop de-sign, spray water never contaminates the process stream and higher cycles of concentration can be achieved. niagara Blower is a design-build manu-facturer providing engineered solutions to heat transfer applications at power, process, refinery, food, and brewing fa-cilities worldwide since 1904.
niagara Wastewater WSAC
The world’s population is expected to increase dramatically between now and the year 2020. With this growth will come an increased need for water as well as an increased wastewater production. With many communities throughout the world approaching the limits of their available water supplies, the water and wastewater industry is turning to a va-riety of innovative technologies to help conserve this precious resource. Water reuse is increasingly being used as a method for conserving and extend-ing available water supplies. Indepen-dent research studies project over a 150% increase in global water reuse capacity from 19.4 million cubic me-ters a day in 2005 to 54.5 million cubic meters a day in 2015. A majority of the additional capacity will involve tertiary treatment (e.g., natural systems, dis-infection, filtration and coagulation/filtration) or quaternary treatment. The remainder, predominantly in emerging markets, will involve secondary treat-ment only. Among tertiary filtration technologies, deep bed media filtration demonstrates a strong record of performance in the United States and other countries. One technology, the TETRA® DeepBed™ filtration system from severn trent services, is a down-flow unit that fea-tures a gravity sand filter. The system achieves excellent retention of solids at high hydraulic and solids loading rates, does not require the effluent to be pre-screened and can be readily switched on and off to optimize operating costs.
Its high-efficiency backwash process maximizes solids release after a single operation with virtually no media loss.In the United States, the state of flor-ida’s wastewater treatment plants and water reclamation facilities so often se-lect the TETRA DeepBed system that 12 of the last 15 winners of the florida Water Environment Association’s Earle B. Phelps Award in the advanced water treatment plant category have used the system.In China, where the Central govern-ment has recently enacted a number of measures to manage natural resource consumption and reduce environmen-tal degradation, the TETRA DeepBed technology is being used in several new wastewater treatment facilities. For ex-ample, a TETRA system in China’s Zhe-jiang province was part of a pilot test of a patented three-stage biofiltration pro-cess in which the system is preceded by an up-flow submerged denitrification filter reactor and a submerged aerated filter reactor. During the two-month pilot study, average BOD was reduced from 200 to 2mg/L, nH4-N from 82 to 3 mg/L, T-n from 88 to 112 mg/L and TSS from 165 to non-detect.In Australia, Severn Trent Services has been awarded a contract to supply TET-RA® Denite® biological denitrification filters for Stage 1A of the Bundamba Advanced Water Treatment Plant – the first stage of the Queensland Govern-ment’s Western Corridor Recycled Wa-ter (WCRW) Project. The six-step treat-ment process used at the advanced water treatment plant involves removing the nutrient concentrate. This will pro-vide environmental benefits by lowering the amount of nutrients that are cur-rently discharged from the wastewater treatment plants into the region’s wa-terways and Moreton Bay. Precipitation and clarification processes will remove phosphate, and TETRA Denite biologi-cal denitrification filters then remove nitrate. Together these steps will lower total phosphorous and total nitrogen in the waste stream.
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industry spotlights groundwater developmentتطوير املياه اجلوفية
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 432
the different techniques of traditional catchment of water for the Algerian Sahara
The Algerian Sahara is a vast desert covering more than three-quarters of Algeria’s land, it includes several sandy terrain, including extensive dunes. For centuries oases were covered with a series of ingenious techniques for wells and springs that captured the underground galleries (foggara), extracted or drained local groundwater, thus ensuring a permanent supply of water while minimizing costs and considerable animal backtracking for water (wells pendulum, pulleys, noria). The water is collected in reservoirs; dispatch-er-shaped comb divergent channels (séguias) distribute water in the oasis. Each cultivated plot is surrounded by ditches; the water gets under a stringent regulation, which sets the time and the duration of the “water tower”. Engine pumps have helped increase the extraction of and tapping into deep artesian, and sometimes non-renewable groundwater.
By Bensaada M. and Remini B.*
the wellsA well is often associated with the technique of drawing that ac-companies it. In developing countries, there are still wells with pendulums, well pulleys, coupled with an animal or motor, and wells with gear wheels operated by the circular movement of a workhorse. To supply water nowadays, wells are often used with a pump placed at the bottom of the shaft or at the top.Wells used for irrigation in the Sahara can be reduced to two basic types: The well-pulley and animal traction, and pendulum wells. A third type is the shaft pulley and human traction (kerka or aghram).
a) Animal traction wellsAnimal traction wells are characteristic of the Mzab oases, with depths ranging from 10 to 60 meters. The wells can be con-structed with the use of stone and masonry to withstand the drawing of the device. The type of sink for these wells is not exclusive of Mzab, it extends to the shore of Laghouat, the Sa-hel area of Tunisia, and to the Djerba area in Libya. This same system exists across the central Sahara, with variations that relate to the materials available, the nature of aquifers, and the depth of the water.
b) Pendulum wellsA pendulum well is essentially a rotating lever around a set of two wooden bars, brick or masonry. The lever is made from a palm tree trunk, sometimes two poles made of tamarisk wood slide so as to track changes in the water level. At one end of the short arm, a counterweight is fixed; on the other end hangs a utensil which serves as a water bucket and distributor.The well is maneuvered by hand; pulling the rope attached to the suspended bucket enough to counterbalance the rise. The flow of a single well is always lower than that of a well with animal traction.
the ghoutsIn some regions of the Algerian desert, on the periphery of the great ergs in the East where the water table is near the surface, a method is used to transform a massive area into a constellation of gardens. Seen from the air, the city appears fraught with deep excavations of about fifteen meters, they are
ghouts
planted with palm trees, with tree tops that come out only at ground level. This method of planting is characteristic of the Oued Souf region: The ghout which designates the toilet, the funnel, and the manmade hole. ghouts have the advantage of reducing evaporation.
the foggaraSouth Western Algeria is characterized by an irrigation system called “foggara” delivering water to palm trees. The foggara underground canal has a very slight angle which draws water to the surface under the effect of gravity from the aquifer area beneath the hills upstream to the driest land located down-stream in the direction of the palm trees. It has a section gallery of variable drainage, typically 50 to 80 cm wide, and 90 to 150 cm in height, and a series of wells spaced at 12 meters.The principle is simple if the topography of the region has a ter-rain causing a change in the profile of piezometric unconfined aquifers, local aquifers that do find outlets in low-lying areas.
the waterworks of the foggaraa) The galleryAt the exit of the foggara, water is divided by a stone comb that is soft and easy to scratch, it is the main kasria. The latter must have a sufficient number of openings where water can easily escape without turning back. These openings allow the water to flow into gutters or channels which can be further divided by another comb and sofor in all directions towards the palm trees.
b) The main kasriaIt is a triangular-shaped basin helmed by a large comb, playing the role of water stabilizer. This technique consists in calm-ing water before its distribution. The main kasria receives the entire flow of the foggara also called the kasria-lak’bira. This divides the flow of the foggara usually into three, four, or five big ditches (mjara). from that pool, the channels will range in all directions to the plots designated for irrigation. After these mjara, kasria on the other side divide the water.
c) The secondary kasriaIt is a new basin found after the first, this basin is character-ized by being shared among families from each tribe or group involved in carrying out the foggara.
d) Minimal kasriaOthers are minimal kasria along the different routes depending on the need. These kasria come after the secondary distribu-tion, they lead water to madjens.
تطوير املياه اجلوفيةأخبار صناعيةgroundwater Development
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 33
*Laboratoire Eau –Roche –Plante, Centre Universitaire Khemis Meliana, [email protected]
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الصحراء اجلزائرية، هي صحراء شاسعة تغطي أكثر من ثالثة أرباع أراضي البالد، وهي تضم عددا كبيرا من األراضي الرملية الواسعة مبا فيها الكثبان والرمال الصخرية. منذ عدة قرون، إنسان الواحة تعلم السيطرة على الطبيعة بواسطة إبداعه وسلسلة من التقنيات الستخراج املياه اجلوفية. من أهم هذه التقنيات هي اآلبار والينابيع واآلبار األفقية )نفق استخراج و صرف املياه :الفقارة(، ضمان وجود دائم في إمدادات املياه، واإلنفاق على الطاقة البشرية والتغذية املرتدة لقدر كبير من املياه )آبار رقاص الساعة، بكرة، ساقية ناعورة...(. تشكل شبكة السقي بالفقارة إجنازا عالي التقنية فهي متاثل من حيث الشكل الشبكات احلديثة لتوزيع املياه حيث يأخذ نفق الفقارة ''أنفاذ'' شكل منبع مائي على السطح األرض فيشكل ما يسمى باملجرى لينتهي هذا األخير إلى حوض مثلث الشكل قاعدته املشط ويسمى ''القصرية الكبيرة''، كما تتكون القصرية في املقدمة من مثـبت خلفض سرعة املياه و تقسم املياه إلى سواقي بحيث كل ساقية تؤدي إلى قصرية ثانية لتقسم املياه إلى سواقي أخري ثم لتصرف أخيرا في ''املاجن'' وهو حوض يأخذ أشكاال مختلفة و هذا العتبارات تقنية، حيث يحدد عمق املاجن بحساب الفارق بني نهاية ساقية التجميع و أعلى نقطة من األرض املسقية مع االحتفاظ بارتفاع الشحنة حتى يكسب التيار سرعة كافية، و يأخذ كل ماجن أبعاد محددة بحيث ساقية واحدة كافية ملأله في ظرف 24 ساعة، و يظهر دور املاجن في توزيع املياه مبنسوب كافي للسقي، بعد أن تخرج املياه من املاجن ير عبر ''أنفيف'' و هو احلاجز الوحيد الذي يعمل بالتوقيت ليسلك مرة أخرى قناة سقي تسمى ''القنطرة''، تتبع بتفرعات تدعى ''عبادو'' لتتصل أخيرا مبربعات البساتني ''قمون'' ذات مساحة 2,6 أمتار على العموم لتبقى السبخة آخر زريدة في هذه البنية املتفرعة. كانت و ال تزال الفقارة املصدر الرئيسي حلياة الكثير من أهالي واحات الصحراء، و هذا نظرا لتعدد أبعادها االقتصادية و السياحية واالجتماعية لكن مع مرور الزمن تدهورت وضيعة الفقارة لعدة أسباب منها:إهمال أشغال الصيانة، االستعمال الواسع و املفرط للنقب، التطور العمراني الكبير. وانطالقا من أبعاد الفقارة و احلالة املزرية التي تعانيها، بات من
الضروري التفكير في إيجاد حلول تقنية و إدارية إلحياء و بعث الفقارة من جديد.
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e) The MadjenIt is a shallow rectangular watershed for recovery and adjust-ment, which is situated at the top of the garden where water accumulates for twenty four hours. Irrigation is carried out usu-ally in the early morning in the summer, and a little later in the morning in the winter. Each garden has a built clay or con-crete madjen in order to avoid unnecessary wastage of irriga-tion surplus. Currently some foggaras are abandoned (due to the problems of collapsed galleries and the locations of drying wells, etc…). The rest of foggaras saw their rates reduced over time as is the case of M’ghaer and most of Timimoun.
ConclusionThe techniques for controlling groundwater in the Sahara are an example of very rational use of natural resources. People that run oases through these techniques learned from the ob-servation of the surrounding natural environment, and have applied the lessons learned by imitating nature and sometimes even improving it. These techniques do not cause erosion or salinization of farmland. Today, we are witnessing a sharp de-valuation of local know-how that seems to have little chance of success at the technical level.
references are available upon request
The main kasria
industry spotlights groundwater developmentتطوير املياه اجلوفية
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 434
the method of operation determines the quality and quantity of water harvested from groundwater wells
The groundwater well has been with us since ancient times and has allowed mankind to populate areas where surface water is not available. Though the design and construction of wells has changed and technology has produced pumps with amazing capabilities, the aquifer that supplies the well remains the same. We have be-come so fascinated by pumping technology that we have lost sight of the natural mechanisms that produce the potable groundwater we seek to harvest.
By J Andrew Reid*
nature’s wayA virgin aquifer has little exposure to the atmosphere since its contact with the surface is through springs and bleed-ing fractures that are under positive pressure most of the time. When we begin drilling wells into the ground we cre-ate connections to the atmosphere that did not exist pre-viously. These connections have minimal effect when the well is pumped at a rate that is less than well yield because the water level in the well remains fairly high. When low yield wells are operated using standard pumping systems they are frequently over-pumped. This turns the wells into breathing holes that draw in air as the water level is drawn down and then slowly expel it as the water level rises. Over-pumping empties the geology around the well, changes the direction of flow within the aquifer creating inflow at sub-merged outflow points, accelerates water movement pick-ing up particles that had settled out and introduces oxygen. All of this activity in a natural infrastructure that normally produces potable water as a result of long residence time in a cool, dark place that is devoid of oxygen where water moves at a snail’s pace. Our current method of collection works against the natural mechanisms by which freshwater aquifers produce potable water.
Wells influence aquifersEvery well that is pumped has some influence on the sur-rounding geology. As the pump draws the well down, near-
by water flows in draining the ground around the well while distant water moves in slowly to replace that which entered the well. The difference in rate of travel results in a dewa-tered area in the shape of a cone in the aquifer around the well. This “cone of depression” is deepest at the well and shallower as you get further from it, growing in depth and diameter the longer and harder the well is pumped. Once pumping ceases the depression slowly fills in as water from a distance moves toward the area of lower pressure that is the cone of depression. The cone influences water move-ment through the aquifer so its existence creates a “zone of influence”.When water is withdrawn slowly from an aquifer the well’s influence is minimal and the only contaminants that are like-ly to affect it are those directly upstream but over-pumping increases the radius of influence and results in reversing the natural direction of flow in the aquifer. Pumping hard can draw water from 360 degrees around the well, bringing contaminants such as brine from nearby bodies of salt water, nitrates and pesticides from adjacent farm land, surface water from streams, leachate from land-fills and trash pits, and leakage from underground storage tanks to the last place you want it: Your water well.
تطوير املياه اجلوفيةأخبار صناعيةgroundwater Development
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 35
improving water qualityLooking at the well/aquifer relationship in this way we quick-ly realize that the quality of water harvested can be affected by the rate at which we pump water from a well. If you ex-amine a water test report you see that most of the contami-nant levels listed are expressed in concentration per unit of volume; mg/L, ppm, etc. When we pump hard and create a cone of depression that dewaters the area and draws con-taminants to the well, concentrations are likely to be higher than when we harvest at a rate that is more in line with natural aquifer flows.
The table at the right compares two water tests taken from the same low yield well. The test sample from May 2008 was taken when the well was harvested using a submers-ible pump feeding a captive air pressure tank. This ar-rangement over-pumped the well constantly and caused the owner to run out of water regularly. The second test in December 2008 was taken several months after a time con-trol was installed to run the existing well pump for a couple of minutes several times an hour to fill an atmospheric tank with booster pump. The second test showed a remarkable decrease in the concentration of many test parameters. The cone of depression was eliminated so the well ceased to be the center of attraction and with the volume of water up in the well and surrounding geology, the dilution rate was also higher. The result was a much improved water test.
Arsenic in groundwater is one contaminant that has been a topic of concern in the US and abroad. The current US fed-eral limit is 10 ppb (parts per billion) but some local jurisdic-tions have already adopted a lower 5 ppb limit for drinking water.
Arsenic exists in nature in combination with other elements like iron or sulfur in the form of various naturally occurring compounds. Many experts are convinced that it is the oxida-tive breakdown of these mineral compounds that is a major cause of arsenic release into groundwater. natural chang-es in the water table can result in some mineral oxidation but over-pumping can make the situation worse because it leads to increased oxygen levels in the water around the well and exposes the geology in the cone of depression to air drawn in when the well is pumped down. Arsenic bearing minerals in that geology can be made soluble by oxidation and picked up in the water when the cone of depression fills back in after pumping ceases. In addition to oxidizing min-eral the cone of depression also raises the concentration of arsenic per unit of volume in the same manner discussed above. It is beginning to appear that the unacceptable level of arsenic in well water may be another unintended conse-quence of over-pumping.
over-pumping causes well and aquifer damageThe negative effects of over-pumping can be cumulative and lasting. When an aquifer is over-pumped the result can be the spreading of contamination or even land subsidence. Subsidence is the settling of ground and it has been shown that more than 80% of the subsidence in the United States is related to the withdrawal of groundwater, a phenomenon
that is reported elsewhere around the globe. When land subsides, it is compacting. The spaces in the ground are closing and therefore the ground sinks or subsides. These spaces contain the groundwater that makes up the aquifer so once they disappear the aquifer’s ability to store water is reduced forever. A long rainy season or good snow melt is not going to recreate voids that have closed. When a well is over-pumped, water is withdrawn faster than it is coming in. This results in a dramatic drop in the well water level and the geology around the well drains. The lon-ger this goes on the more widespread the dewatered area is. When the nearby cracks and voids are emptied of water they may collapse if they are not self supporting.
This phenomenon can be seen in hydrofractured wells that suffer from diminishing yield. Though many hydrofractured wells show an increase in production, it is often not enough to convert them from low yield to great producers. When a low yield well is pumped by conventional means there are times when it is pumped quite low. If the level in the well is lowered to the point at which the fractures opened by hydrofracting are exposed and draining, they can suffer from subsidence. The water was the wedge that created or widened the fracture and has been helping hold it open. Once the wedge is removed the fracture can slowly close back up decreasing yield and increasing the frequency of
This is a picture of the San Joaquin Valley southwest of Mendota in the agricultural area of California. Years of pumping groundwater for irrigation has caused the land to drop. The top sign shows where the land surface was back in 1925! Compare that to where the man is standing (about 1977)
industry spotlights groundwater developmentتطوير املياه اجلوفية
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 436
تستخدم آبار املياه اجلوفية منذ القدم، وهي قد سمحت بتوطني اإلنسان في أماكن عدة ال تتوافر فيها املياه السطحية. على الرغم من التغيرات التي طرأت على تصاميم وبناء اآلبار والتقنيات التي تقدم مضخات بقدرات عالية، فإن مستودعات املياه اجلوفية التي تغذي اآلبار ما زالت كما هي منذ القدم.
ويناقش هذا املقال مدى التأثيرات السلبية للضخ الزائد للمياه على اآلبار وعلى املياه اجلوفية، يتناول املقال بطريقة شاملة السياق الطبيعي ودورة املياه اجلوفية وكيفية تأثير اآلبار على مستودعات املياه اجلوفية. J Andrew على العاملني في هذا املجال وفي القطاعات الزراعية إتخاذ إجراءات دقيقة للمحافظة على نوعية املياه اجلوفية، فطريقة التشغيل حتدد كمية ونوعية املياه املستخرجة من آبار املياه اجلوفية. ويشرحReid في املقال كيف يساعد زبائن شركته في احلصول على كميات مياه إضافية من دون احلاجة إلى زيادة نسبة الضخ، ال بل على العكس، وذلك من خالل تركيب أنظمة حتكم لتنظيم الضخ على مراحل
بحسب الطلب وبذلك يكون املشغل قد جتنب الضخ الزائد للمياه.REfER TO rin 35 On PAgE 88
*J Andrew Reid is CEO of Reid Plumbing Products, LLC of Hopewell, NJ, manufacturers of Well Manager®, PumpChamber™ and Herculan ConstaBoost™ Storage Systems. These prod-ucts for low yield wells are in use across the United States and Canada in homes, businesses, institutions, communities, and national parks.
[email protected] www.wellmanager.com
out-of-water events. The end result is that the effect of the hydrofracting may not last.
Even in the short term over-pumping can result in de-creased well yield. The only real difference between a de-watering operation and water harvesting is the way the well is operated. Over-pumping is what causes the cone of de-pression around a well and dewatering is simply extended over-pumping. The longer over-pumping goes on the larger the cone of depression becomes. The deeper and wider the cone, the smaller the interface between the well and aquifer and the poorer the well yield will be. The result of over-pumping is dewatering, not a good way to insure the sustainability of a well or an aquifer. get more by pumping lessRecently a client asked us how to get more water from the two 900’ wells that fed a 4,200-gallon (15,900 liters) buried storage tank used to supply his irrigation system. The well pumps ran continually trying to keep up with the irrigation system’s needs but were failing to do so. When it was sug-gested that he would get more water by running the pumps less he thought we were insane. It took a great deal of con-vincing but in the end he installed a control system that pumped the wells at timed intervals based on their yield capability to avoid over-pumping. The end result was that the 4,200-gallon tank now fills in 1/3 the time and the same wells are easily keeping up with irrigation. now, you may be wondering, how this could be?
The explanation can be found in a combination of factors. first, the well pumps are delivering more water now be-cause the wells are running nearly full and the pumps do not have to lift the water from 800 feet (244 meters). Sec-ond, the well yield is increased because the client is no lon-ger dewatering the area and reducing the well’s interface with the aquifer. Of course, since the pumps run a lot less, his electric bill is also reduced dramatically.
This demonstrates that when withdrawals are in step with the rate at which the aquifer functions the well produces more water over time. When pumping is in excess of the transmission rate the operation changes from water har-vesting to dewatering and well yield begins to decline.
Over-pumping threatens a well’s longevity not only through subsidence and dewatering but also through mineral and biological buildup. Wells are susceptible to loss of produc-tion from clogging caused by sediment and buildup of min-eral crust or bio-slimes. The repeated exposure of the well walls to air hastens the development of these problems which can seal the well off from the aquifer.
Change is neededThough many are beginning to agree that over-pumping is the number one cause of well failure and there is reason to believe it causes the other problems discussed, the topic has not received the attention needed and few have taken concrete steps toward the prevention of over-pumping.
There are some commercial enterprises marketing equip-ment and promoting environmentally sensitive groundwater harvesting like John Dartnall of the University of Sydney, Australia, who has been working on low volume pumps that install easily by hand and run on 40 to 60 watts of power. Dartnall’s pump can be run on solar power, grid electricity, gas, propane, or even human power and can be adjusted to various pumping rates. These pumps are made to run continuously until an atmospheric storage tank is full and have been in use in Australia for ten years.
In the United States, Reid Plumbing Products, LLC has been using its Well Manager® time-based pump controls to increase the amount of water that can be harvested from wells without over pumping. This approach works with any well and pump combination powered by electric or solar power and has been used to either maximize production or limit it to the water rights of the owner. These systems have been used successfully in north America for the last 15 years.
When a natural infrastructure is operated in a way that ignores all of the relationships that make it function, we should not be surprised if results are less than desirable. Sir Francis Bacon (1561-1626) put it most elegantly when he said “nature, to be commanded, must be obeyed.” If we expect to continue using aquifers as a source of potable water we must work within the natural parameters by which they function. Bigger, more powerful pumps will not pro-duce the result we need, but adapting our methods to work with nature will. Slow and time-based pumping will allow the use of poorer aquifers more than we thought possible and relieve the stress and associated problems currently caused by over-pumping.
references are available upon request
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industry spotlights groundwater developmentتطوير املياه اجلوفية
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 438
SOURCE: Rice University
تقدم التكنولوجيا الدقية (nanotechnology) حال ممكنا لتأمني مياه عذبة نظيفة وآمنة لإلنسان بحسب الدكتورة Vicki Colvin من جامعة Rice University، ولكن هذا األمر يتطلب دراسات مكثفة إضافية للتأكد من مدى خطورة العوارض اجلانبية املضرة بالبيئة لهكذا تقنية. يكن إستعمال هذه التقنية في معاجلة وتنقية املياه اجلوفية وذلك بحسب دراسة لـ Colvin قدمتها مؤخرا من ضمن مؤمتر
ومعرض Ground Water Expo الذي تقيمه رابطة املياه اجلوفية الوطنية في الواليات املتحدة األميركية.REfER TO rin 37 On PAgE 88
nanoparticles offer promise in groundwater remediation says Rice University researcher
nanotechnology, the science of matter on the atomic scale, offers much promise for making water clean and safe for the world’s citizens, but care also should be taken to study pos-sible unwanted environmental side effects, says researcher Vicki Colvin, Ph.D., of Rice University.
Colvin’s presentation, “nanotechnology in the Environment: Clean Water from Small Materials,” explored the emerging science of nanotechnology at the national ground Water As-sociation’s Ground Water Expo and Annual meeting recently.
A “nanoparticle” is 1 to 100 nanometers in diameter — a nano-meter being one billionth of a meter in length. While some nanoparticles occur naturally, nanotechnology has resulted in the development of nanoparticles that have very specific properties. In the context of remediating contaminated water, two such properties are:
• Sequestration, where the nanoparticle locks up a contami-nant to where it’s not harmful, and • Reaction, where a nanoparticle reacts with another sub-stance to render it harmless.
“The real benefits to groundwater are all related to the surface area of nanoparticles. A gram of nanoparticle material might have the surface area of a football field. Nanoparticles have huge surface areas for reaction and sequestrations,” Colvin said. Another advantage to nanoparticles is that they are so small they do not settle in water but are a part of the water flow, thus facilitating their ability to react with or sequester con-taminants. Colvin said the ability to design and produce nanoparticles to do very specific things is so good that “you can make a nano-anything these days.” “The field of nanotechnology is projected to be a US$ 1 trillion business in the next five to 10 years. They are in many con-sumer products from deodorants to sunscreen and car tires to
golf clubs, crossing many industries,” Colvin said. “The ques-tion is, do they find their way into aquifers and are they going to be part of drinking water systems?” The same qualities that make nanoparticles so useful and ef-fective can also present dangers to the environment. “Small amounts in mass could be huge amounts in surface area so that you could moderate and change environmental process-es drastically,” she said. Among the potential issues:• nanoparticles could facilitate the transport of contaminants • The reactive properties of some nanoparticles could create unwanted byproducts • At its atomic-scale size, nanoparticles could invade and af-fect biological organisms in ways larger particles cannot • They could persist in the environment for a long time.
“for all those reasons, we want to be cautious with them. The science of application of nanoparticles has been around for 10 years or longer. What’s newer and less evolved is the sci-ence of how to deal with the unwanted consequences,” said Colvin. This evolving science is complicated by the fact that it can be difficult to differentiate between naturally occurring and manmade nanoparticles.
“My take-home message is that nanoparticles are already out there in nature. People already are dealing with them and don’t know it,” she said. “And, we don’t want to make the same mistakes as in the past by introducing technologies that create problems.”
األنابيب وأجهزة كشف التسربأخبار صناعيةPipes & Leak Detectors
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 39
Leaks make noise or acoustic sound because the pressur-ized water forced out through a leak loses energy to the pipe wall and to the surrounding soil area. This acoustic sound, de-pending on the material of the pipe work either dissipates over a long distance or is absorbed very quickly into the pipe wall. In metallic or hard walled pipes, the sound transfer is extreme-ly good and in non metallic or soft walled pipes, the transfer is extremely bad. Other considerations are pressure and size of the orifice. The higher the pressure and the smaller the leak, the greater the noise or “energy” is created and this can be reduced depending on the orifice size or pressure.Table 1 shows what is ideal for leakage location or detection.
Case study - hanoi The initial water balance as well as the measurements in the five pilot areas indicated very high levels of leakage. It was uncertain which percentage of the existing leaks could be de-tected given the extraordinarily low pressure (6.6 m average pressure system-wide).The leak detection was carried out between 23:00 and 04:00 during the period from October 2007 to february 2008. The equipment used included: Listening stick, stethoscope, ground microphone (Gutermann Aqua Scope 3), leak noise correlator (gutermann Aqua Scan 610), and advanced noise loggers (gutermann Zone Scan 800).Hanoi has carried out a large-scale pressure monitoring pro-gram on about 140 points on transmission, distribution, and service lines.
The weighted average pressures observed were:
• Transmission lines: 9.0 m• Distribution lines: 7.4 m• Service lines: 6.0 mThe system-wide weighted average was calculated to be 6.6 meter, +/- 10%.
Pilot areas were selected in different parts of the distribution system. For each of the five pilot areas, data was collected which comprised of length of distribution, service lines and number of service connections. flow and pressure data was collected for each of these regions over a 48-hour period. The period was restricted to this time as low pressure was being experienced in adjoining systems, preventing a permanent DMA from being established or extending the measurement period.summary of findings during leakage survey
Active leakage control in low pressure situationsIs it possible to carry out an active leakage control strategy using traditional methods and equipment when pressures are extraordi-narily low?
By Stuart Hamilton*
Leak Noise Factors
Factors producing good quality leak noise
Factors producing poor quality leak noise
High water pressure Low water pressure Hard backfill Soft backfill Small rupture Split mains Clean pipes Encrusted pipes
Metallic pipes Soft/Lined pipes Small diameter pipes Large diameter pipes
A mixture of approaches was decided to see which ones could be used within a low pressure system and to ascer-tain if acoustic equipment can be used in low pressure areas with different service and mains materials. Decisions for the methodology of Active Leakage Control (ALC) were originally made from studying the distribution system plans. It was clear that the ALC methodology had to be different for each area to obtain best results from the equipment; this was mainly de-pendent on the pressure available, the material of pipe work, background noise level, and the availability of fittings.Here, we will discuss pilot areas 1, 2, and 5.
Area 1 The leakage model indicated that there might be up to five ESPBs (Equivalent Service Pipe Bursts) after adjustment for pressure. For area 1 it was decided that all fittings should be listened on for audible leak noise. However, it was quickly re-alized that there was a distinct lack of visible service connec-tions to enable ALC to be satisfactory completed. This is a major problem in ALC and it can be assumed that a number of small leaks may have been missed.The noise transfer from the leaks within the distribution sys-tem was very poor and can be accredited to the service pipe and mains material which in certain areas was found to be polythene. The quantity of polythene pipes in this area is un-known.When a leaking service was located, the noise transfer from the ground close to the leak was very good and the leak noise was clearly audible. However, when listening on the water meter some 0.5m away from the leak position, the leak noise was barely audible. When this leak was excavated, it was found that the service pipe was black polythene.The only feasible way of detecting all leaks in a situation like Area 1 will be to carry out a comprehensive ground micro-phone leak detection survey listening to all distribution mains and service connections, keeping the distances between con-tact points as short as possible. Any other acoustic methodol-ogy may be unsuccessful due to the distinct lack of fittings, be it distribution mains or service connections.
Area 2The leakage model indicated that there might be up to 19 burst after adjustment for pressure. This was deemed as the oldest and the most problematic of the five chosen areas due
Another leaking meter
industry spotlights pipes & leak detectorsاألنابيب وأجهزة كشف التسرب
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 440
to its age, service connection material, mains material and usage.
The methodology of ALC in this area was to listen on all ser-vices with a listening device of both electronic amplified and non electronic types. This method was chosen as the deemed approach as there were only a small number of mains fittings available and a large number of suspected leaks in the area. It was not known at this early stage if the leaks were present on service connections or distribution mains.noise loggers were deployed on the valves that were pres-ent within the distribution system and with success as they indicated an area where a leak could be present. This area was investigated and the leak was located and repaired. More success would have been possible but with the low number of valves within this area not enough coverage was possible.
A large number of leaks were found in area 2 between that of the communication pipe and supply pipe. The majority of the property/private (supply pipe) side leaks located were that of open taps (could not be closed), leaking joints, homemade repairs or just general deterioration of the pipe work where no good metal was left within the galvanized iron pipe work. nearly all the leaks that were found on the communication pipe work were that of deterioration of the pipe work where no good metal was left within the galvanized iron pipe work or on joints.
Area 5The leakage model indicated that there might be up to 5 bursts after adjustment for pressure. It was after viewing the distribu-tion network/plans for this area that it was decided that noise loggers could be tried on this distribution system.The noise loggers were deployed and left in situ and down-loaded each morning to view the reports of where leaks may be present. On each download occasion, a leak position was clearly indicated on the sluice valve closest to the water me-ter. This was thought to be the meter causing the noise and was ignored on the first night reading. On the second night, this was much the same and was investigated during the early hours of the morning to see if a leak is present or not. A leak position was located with the use of the electronic listening device and the ground was marked for excavation. On the following day, the ground was excavated and a leak was located and repaired on a 63mm polythene service/main. Several excavations had been made in this vicinity in the past as the water was seen to be running from the ground, causing problems. The position was logged again with the noise loggers and the
valve was shown to be quiet and no other leaks were pres-ent. This was confirmed from the flow data obtained. No other ALC method was used in this area i.e. sounding of services.
ConclusionsLeak detectionThe most important conclusion of the trial leak detection cam-paign is that it is possible to detect leaks in the Hanoi water distribution network using acoustic equipment. It should be noted that the trials were conducted by a fully trained engi-neer and it cannot be assumed that the same results could be obtained by a non-trained member of staff.
This trial has demonstrated that using acoustic technology, with the help of an experienced engineer, leakage detection can be achieved in areas where the night time pressure does not reach 10m. However, experiences from this trial show that not all techniques work in every situation and that the cor-rect method of approach should be used to gain maximum benefit.
Electronic listening stickElectronic technology like the one used for this trial is very easy to use for both the experienced and non experienced engineer. The Aqua-scope 3 used in Hanoi had a numerical display which indicated the level of noise, thereby eliminating the limitations of human hearing. ground microphoneThe ground microphone is mainly used for leak pinpointing – this means to finally decide the exact location of the leak (for excavation) after it has been localized by any of the other methods. Leak noise correlatorLeak noise correlation on soft walled pipes i.e. non metallic pipes is generally not as effective as on hard walled pipes i.e. metallic pipes. Hence, only short distances must be kept between the two sensors up to a maximum of 60m and this is depending on the pressure within the distribution system at the time of correlation. Due to this problem, in many areas in the Hanoi distribution network, where there are (i) plastic pipes and (ii) a lack of access points to the network, the use of correlators will be limited.
A successful correlation was possible in Hanoi where the cor-relator was used to locate a leak on a 200mm PVC main over short distances (maximum of 60m at 10m pressure) during the early hours of the morning between 2am and 4am. It was
AquaScope 3 training with Hanoi Water
Data collection
األنابيب وأجهزة كشف التسربأخبار صناعيةPipes & Leak Detectors
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 41
*Jon hillhidrostal’s export development Man-ager
يتناول هذا املقال عمليات التحكم بتسربات املياه من األنابيب في املنشآت املنخفضة الضغط بواسطة األدوات السمعية. يناقش املؤلف التقنيات املتبعة ويتخذ مثاال األعمال التي نفذت في هذا املجال في مدينة هانوي الفييتنامية. أقيمت أعمال الكشف على التسربات في هانوي من الساعة 11 ليال حتى الرابعة صباحا على فترة إمتدت من تشرين األول )أكتوبر( 2007 إلى شباط )فبراير( 2008، وذلك بإستخدام عدة أدوات من مكبرات صوت وأدوات تنصت لرصد أصوات التسربات ومعدات تسجيل ضجيج متطورة. وكانت املدينة قد نفذت برنامج مراقبة ضغط واسعة النطاق في 140 نقطة على خطوط أنابيب لنقل وتوزيع وتأمني املياه. أكدت هذه التجارب إمكانية إجراء إختبارات كشف عن التسربات بواسطة معدات كشف سمعية وصوتية وذلك إذا ما أجريت اإلختبارات بواسطة مهندس ذات خبرة عالية، وخاصة في املنشآت املنخفضة الضغط. كشف عن 19 حالة تسرب تم معاجلتها ضمن هذه احلملة، ذلك قبل الكشف عن تسربني إضافيني، أحدهما كبير على خطة خدمة. بعض التسربات كانت أصغر من أن تعالج نظرا لتكلفة صيانتها التي هي أعلى من تكلفة اخلسارة التي قد تسببها، فقط
12 تسرب من ضمن التسربات الصغيرة عوجلت نظرا حلجمها اخلطير نسبيا على املدى الطويل.
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88found that the leak was an illegal connection to a house and workshop which contained a leak or open end causing the leak noise.
Leak noise loggersThe biggest surprise of the leak detection trial was that leak noise loggers worked well despite the extraordinarily low pres-sures. However, a serious problem for the large scale use of noise loggers is the lack of access points to the network. In the future, if access points were made available, such as fit-tings in chambers, valves and underground hydrants, then the use of noise loggers may become more common.Permanently installed leak noise loggers may not be an op-tion, labor being cheap. However, it must be considered as new technology now allows for remote reading of the loggers giving a 24-hour report on the state of the distribution sys-tem. Leaks locatedA total of 19 leaks on service connections were reported and repaired. However there was one leak that has to be ac-counted for and one big leak on a service line was detected bringing the total to 21. In addition, an even larger number of smaller leaks before and after the customer meter have been found. Some of these were so minor that repairing them was deemed uneconomical but 12 were deemed large enough to report for repairing. Quantification of leaks has been tried but with the low level of confidence in the flow or DMA data, this may not be totally accurate *stuart hamilton is secretary to iWA’s Water loss task Force and is leading an initiative on acoustic leakage detection techniques and methodologies. He recently joined the Miya Group, a water efficiency solutions provider. For his contact details, please email the editor.
Data collection
Deploying Zonescan in Hanoi Area 2
industry spotlights pipes & leak detectorsاألنابيب وأجهزة كشف التسرب
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 442
قامت شركة HOBAS بتأمني أنابيب CC-gRP التي تصنعها لصالح محطة معاجلة مياه صرف صحي في العاصمة الهنغارية بودابست، هي الثانية من حيث احلجم في أوروبا إذ تبلغ قدرتها القصوى النظرية نحو 900,000 متر مكعب من املياه يوميا وذلك يغطي نصف مياه الصرف ومياه األمطار الصادرة عن العاصمة. اختيرت أنابيب HOBAS نظرا ملتانتها وخفة وزنها ومقاومتها للتآكل الكيميائي ومنعها التام للتسرب. أقيم هذا املشروع برعاية اإلحتاد األوروبي وبطريقة مراعية للبيئة احمليطة، وسيبدأ العمل به في العام احلالي، وهو يقع على جزيرة Csepel في نهر الدانوب والتي تشكل جزء من
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Already in 1974, a program with the working title “Sewage Treatment and Disposal for the capital Budapest” was set up envisaging the establishment of 4 wastewater treatment plants in Budapest. The first is the Budapest Central Sewage Treatment Plant (BKSZTT) that was planned to be built on the Danube‘s island Csepel.
The project is financed by the EU from the design to construc-tion and a first feasibility study was made by a consortium lead by the Swedish engineering company SWECO in 2002. Latest technologies will increase the efficiency of biological treatment by three times and enable 92% of wastewater to be treated biologically. With a planned maximal capacity of 900,000 m³ per day, it is the largest sewage treatment plant in Hungary and the 2nd largest in Europe. It will easily cope with the current 350,000 m3 sewage coming from the area’s main. This covers approximately half of Budapest’s stormwater and wastewater originating from households and industry.
Located on a floor space of 29 hectares in the north of Cse-pel, the sewage treatment plant lies between km 1641 and 1642 of the Danube. A bypass with short pipes and a loose collar joint was installed in the plant building for an induc-tive flow meter. hobAs CC-gRP Pipes were selected for this thanks to their relatively light weight, distinguished chemical resistance, and excellent hydraulic characteristics. The line consisting of three standard length (6 m), one 4.5 m and one 1.5 m long HOBAS CC-GRP pipes was fixed on suspensions. A connection pipe with a mechanical coupling was inserted prior to the flow meter.
hobAs® for a blue danubeIn Hungary’s capital Budapest 600,000 m³ of water run into the Danube daily, 51% of which are completely untreated. This does not only endanger the area’s wildlife but also conflicts with the objectives of the Sofia Convention in 1993 to protect and sustainably use the Danube.
HOBAS CC-gRP Pipe Systems are absolutely leak tight, long lasting, have excellent hydraulic and long-term static proper-ties. Their handling and installation is remarkably easy due to their light weight, simple push to fit couplings, and compat-ibility with other materials.
These advantages and numerous industrial projects success-fully realized with HOBAS in the past, convinced the client to utilize HOBAS CC-gRP pipe systems for further parts of the treatment plant: A twin line Dn 1200, Sn 5000, Pn 6 leads to the plant from the west and another two paralleling pipelines Dn 1400, Sn 5000, Pn 6 come from the east adding up to a total length of around 2 km.
Budapest Central Sewage Treatment Plant is the biggest en-vironmental investment in Europe. no efforts and costs were spared concerning architecture and landscaping, so that the plant, which will be commissioned this year, harmoniously blends in with its surroundings.
An interesting side note: Over 500 artifacts and graves from the Bronze, Iron, and Árpád Age have been discovered dur-ing construction works. These findings show that the island Csepel was already inhabited 5,000 years ago. HOBAS with its reliable products contributed once more in maintaining a habitat for man and wildlife.
www.hobas.com
Around 2 km of HOBAS pressure pipes were utilized to build Europe’s second largest treatment plant
A bypass with short pipes and a loose collar joint were installed in the plant building for an inductive flow meter
األنابيب وأجهزة كشف التسربأخبار صناعيةPipes & Leak Detectors
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 43
Customer project challengeThe new hydroelectric power plant in Venezuela included a penstock line lo-cated near the inlet of a newly installed hydraulic francis Turbine (275MW). Design engineers needed four Pen-stock Couplings to fit two 6,205mm (246”) inlet pipelines. With a design pressure of 170 mwc (meters static wa-ter head) (242psi), and a test pressure of 221 mwc (314psi), this large diam-eter line required sleeve-type pipe join-ing couplings that would assure a leak-tight seal on the inlet lines. To remain tight, the joints must maintain a con-stant gasket seal under all conditions of pipe movement, including vibration, deflection, expansion and contraction. furthermore, this particular power plant is located in an area of South America vulnerable to seismic activity. for safety assurance, Alstom engineers specified a coupling product offering flexibility in accordance with external forces. Being a non-rigid union, this beneficial flex-ing occurs when installing sleeve-type Dresser penstock couplings, which are built to absorb stresses associated with seismic movement. Flexibility of the couplings also helps to eliminate shim-ming or time-consuming adjustment of anchors, saddles, and girders.
dresser solutionEngineers at Alstom had the confidence that Dresser could provide an engi-neered solution, custom-build their cou-قامت شركة Alstom Hydro باإلستعانة بخدمات Dresser Piping Specialties لتأمني لوازم وصل األنابيب وقنوات نقل املياه ملشروع توليد للطاقة الكهرومائية في فنزويال. إحتاج مهندسو تصميم املشروع ألربعة وصالت أنابيب لتركيبها على خطي أنابيب بقطر 6,205 مم تؤمن حماية كاملة من التسرب لهذه األنابيب التي تسمح للمياه بالدخول إلى املنشأة. ونظرا لتواجد هذا املشروع في منطقة من أميركا اجلنوبية معرضة للزالزل، فقد طلب املهندسون في املشروع وصالت أنابيب مرنة بإمكانها مقاومة عوامل ضغط خارجية، هذه املرونة تسمح أيضا بإزالة ضرورة تعديل وصيانة العوارض والصمامات
وغيرها من مكونات احملطة الكهرومائية. تستفيد Dresser لتنفيذ هكذا مشاريع من خبرة 125 عام في هذا املجال.REfER TO rin 41 On PAgE 88
dresser piping specialties fits Alstom hydro Venezuelan project with four penstock couplings for two 246” inlet pipelines
When Alstom Hydro needed custom-built couplings for a Venezuelan penstock project, they turned to a company they knew could handle custom needs, Dresser Piping Specialties, a division of Dresser, Inc.
plings within budget and deliver them on time. Dresser engineers prepared design drawings that were submitted and approved for a segmental concept. The coupling design was comprised of three 2-1/4” thick middle ring radius sections to be welded into a complete 360-degree middle ring on site. Gas-kets were set, and modular sectional followers were bolted in place. This de-sign significantly reduced shipping and transportation costs and reduced instal-lation labor costs at the job site. Seg-mental couplings, followers, all bolts, nuts and gaskets were shipped in two sealed containers for transport to the job site. business benefitsWhen hydropower installation sites in-volve rocky terrain, substantial savings can be realized in construction costs by having the coupled penstock flow across the surface to avoid excessive excava-tion and fabricated bends. A standard Dresser coupling in the larger diameter range can absorb up to one degree of deflection. On the basis of 40-foot (12 meters) pipe lengths, this means an offset of up to eight inches per section from the vertical or horizontal alignment is permitted. Should minor settlement occur after penstock construction, the couplings will absorb the resulting de-flection without leakage - and without transmitting harmful stresses to the pipe or pipeline supports.
dresser know-how and engineering solutionsDresser penstock couplings are speci-fied for their ability to absorb vibration, expansion, contraction, deflection and stresses from seismic activity, while providing lifetime leak-proof depend-ability. Dresser Piping Specialties has over 125 years of experience manufac-turing quality piping joining and repair products and has provided thousands of penstock couplings worldwide since 1921.
Dresser Piping Specialties, a division of Dresser, Inc., is a leading provider of highly-engineered pipeline solutions for natural gas, oil, water and waste-water distribution industry applications throughout the world. The company en-compasses pipeline integrity solutions from “main-to-meter” with capabilities extending from complete skid-mounted stations to the gas burner tip, with a broad portfolio of pipeline product solu-tions in between. Dresser, Inc. is a leader in providing highly engineered infrastructure prod-ucts for the global energy industry. The company has leading positions in a broad portfolio of products including valves, actuators, meters, switches, regulators, piping products, natural gas-fueled en-gines, retail fuel dispensers and associ-ated retail point of sale systems, and air and gas handling equipment. Leading brand names within the Dresser portfo-lio include Dresser Wayne® retail fueling systems, Waukesha® natural gas-fired engines, Masoneilan® control valves, Mooney® regulators, Consolidated® pressure relief valves, and ROOTS® blowers and rotary gas meters. It has manufacturing and customer service facilities located strategically worldwide and a sales presence in more than 100 countries.
www.dressercouplings.com
Penstock segments
industry spotlights pipes & leak detectorsاألنابيب وأجهزة كشف التسرب
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 444
تعتبر شركة Advanced Drainage Systems أكبر شركة مصنعة لألنابيب املصنوعة من البولييثيلني العالي الكثافة، وهي الشركة الوحيدة املصنعة لهذه املنتجات التي يحظى أنبوب n-12 التابع لها بضمانة خدمة مصدقة تصل إلى 100 عام. حاز هذا األنبوب على هذه الضمانة من قبل وزارة النقل في والية فلوريدا األميركية. وكانت الشركة قد أطلقت منتج n-12 في العام 1987 وقد
مر بعدة تطورات في الـ 20 سنة األخيرة.
UnISPEED USfL جهاز OP S.r.l. شركة تقدم وهو الهيدرولية األنابيب فوهات لتوسيع املستخدم 90/37 ISO 8434-3 و ISO 8434-2 شهادتي على حائز
ألنظمة وصل األنابيب.REfER TO rin 42 On PAgE 88 REfER TO rin 43 On PAgE 88
ADS HDPE pipe receives 100-year service life approval
New UNISPEED USFL 90/37
Advanced drainage systems, inc. (Ads), the world’s largest manufactur-er of HDPE pipe, is the first and only HDPE manufacturer in the underground drainage industry to receive a 100-year service life approval for its revolution-ary n-12® corrugated HDPE pipe. The designation, given by the florida De-partment of Transportation (fDOT), approves n-12 pipe for use in most fDOT applications. Utilizing the most extensive testing protocol in the pipe in-dustry, fDOT granted approval for 18» (450mm) through 48» (1200mm) ADS n-12 pipe under the «Class II» 100-year service life designation.
«The test results in florida prove there is an increasing level of confidence in the use and performance of HDPE pipe,» said Joe Chlapaty, chairman and chief executive officer of ADS. «Our goal is to deliver a product that will still be in the ground for generations to come and performing its intended purpose. We’ve always been confident that our products will last forever, and these tests simply serve as additional evidence to that fact. As with all ADS products, our cus-tomers can be assured that our HDPE pipe is providing a high quality, value enhanced solution to meet their under-ground drainage needs.»
ADS’s n-12 HDPE pipe is the world standard for corrugated polyethylene drainage pipe. Introduced in 1987, n-12 dual wall pipe, with its smooth interior wall and corrugated exterior wall, offers exceptional hydraulics and strength. Built using application specific high-density polyethylene, n-12 corrugated pipe also provides superior corrosion and abrasion resistance making it an excellent alternative to reinforced con-crete and corrugated metal pipe.
According to ADS, the approval in flor-ida will mean significant growth among the company’s public transportation in-frastructure projects.
«We sell pipe day in and day out in florida, but this approval will open nu-merous doors in terms of growth for ADS and our n-12 product line,» said Bob Klein, vice president of sales and customer relations for ADS. «By manu-facturing pipe within the state of florida and keeping our product as close to our customers as possible, it will significant-ly reduce the time and cost of delivery. The ability to expand the applications of n-12 pipe will advance the industry as we know it today.»
To determine the expected service life of the corrugated HDPE drainage pipe, FDOT adopted a test protocol specifi-cation that is the most stringent and comprehensive in the pipe industry. In-corporating projected long-term buried stress and environmental conditions, the test protocol utilizes the Rate Pro-cess Method (RPM) and Oxidation In-duction Time (OIT) testing to measure stress crack resistance and product du-rability. These methods are well-estab-lished and widely used in the pressure pipe industry as a means to predict the long-term performance of thermoplastic pipe.
Introduced in 1987, n-12 smooth inte-rior dual wall pipe meets strict quality control from raw materials to production - conforming to ASTM and AASHTO standards - and is specified nationwide in storm and sanitary sewers, agricul-tural drainage, road and highway con-struction, residential and commercial development as well as turf and recre-ational applications.
UnISPEED USFL 90/37 from op s.r.l. is the new machine for 37° and 90° or-bital flaring of hydraulic rigid pipe ends with ISO 8434-2 and ISO 8434-3 fitting systems.
Practical and easy to use: These are the main features of this machine which requires only one tool change to carry out the flaring operations. This way, pro-cessing time is reduced to the minimum since it is carried out easily without the need of additional equipment.
The machine uses a cold orbital form-ing process to create a flat and smooth sealing surface at 90° and 37° with a suitable rugosity for the O-Ring seal. By doing so, it avoids the formation of pro-cessing signs which, on the other hand, can occasionally occur with common axial deformation processes.
This system is compliant with the pipe flaring requirements regulated by SAE and ISO standards. The various possi-bilities of adjustment and configuration of USFL9037 allow obtaining any flaring diameter and thickness.The semi-automatic processing cycle allows the flaring process to be very fast, thus reducing costs and avoiding welding or soldering the clamping ring to the pipe end. Moreover, the final cy-cle lay-up ensures optimal flaring and finishing results.
األنابيب وأجهزة كشف التسربأخبار صناعيةPipes & Leak Detectors
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 45
Permalog Patroller نظام Halma Water Management شركة تقدم املجهز بتقنية MapPoint من Microsoft ونظام متوضع جغرافي لتحديد مكان كل أجهزة Permalog للكشف عن التسربات املتواجدة في منشأة ما. يوفر ذلك على املشغلني محنة تدوين
مكان كل جهاز بطريقة يدوية تتطلب الكثير من الوقت.
أعلنت شركة InterTech، الرائدة عامليا في مجال حلول الكشف عن التسربات، عن حصولها على شهادة ISO 17025 اخلاصة مبجال إختبار مواقع التسربات في املنشآت ذات نسبة التدفق املنخفضة. تؤكد الشهادة على تطابق نظام إدارة نوعية املختبرات من الشركة مع أعلى املعايير املتبعة
عامليا.REfER TO rin 45 On PAgE 96REfER TO rin 44 On PAgE 88
Automatic location logging for leak detection
intertech development Company receives iso 17025 accreditation for leak testing at low flow rates
intertech development Company, arguably the world lead-er in optimized turnkey solutions for leak testing, functional testing, and assembly & test, announced that it has received ISO 17025 accreditation for leak testing at very low flow rates. This ISO 17025 standard documents that the InterTech De-velopment Company Applications Laboratory’s quality man-agement system adheres to the highest standards.Jacques Hoffmann, President and founder of InterTech De-velopment Company comments, “InterTech serves leading manufacturers around the globe and has long ensured that the automated systems, instrumentation, and applications engineering for leak testing and functional testing and as-sembly and test is ISO 9001-compliant as our clients require. The ISO 17025 accreditation of the InterTech Calibration and Applications Laboratory’s quality management system is a complement to the other processes and certifications Inter-Tech receives to be full partners with ISO 9001 compliant companies.”ISO/IEC 17025 is the main standard used by testing and cali-bration laboratories to document ability to consistently pro-duce valid results. InterTech’s documented quality manage-ment system and related ISO 17025 accreditation is for leak testing at low flow rates (1 sccm). InterTech Development Company is a world leader in test-centric assembly and test specializing in automated leak and functional testing with 7 patented mass flow and hydraulic technologies, as well as, helium mass spectrometry (ISO-9001-2000 International Standards for Quality Management). InterTech Development Company-engineered solutions are used by hundreds of manufacturers worldwide. InterTech De-velopment Company’s worldwide support organization main-tains offices in North America, Asia, and Europe.
The Permalog Patroller drive-by data capture system from halma Water Management now incorporates the latest Mi-crosoft MapPoint technology and gPS to accurately record the location of each deployed Permalog leak detector. This means that operators no longer need to go through the te-dious and time-consuming task of manually marking logger locations.
When each new Permalog is deployed, the Patroller uses a wireless handheld scanner to retrieve each logger’s unique serial number via Bluetooth technology. This information is then linked to its gPS position with MapPoint software, plot-ting the network of leak detectors for future reference and analysis on detailed mapping software.
A database of Permalog detectors and their precise where-abouts is built up, along with the latest leak monitoring mea-surements and instant visual cues for any alerts: A green flag indicates that all is well, and a red flag means there’s a leak. Having the location mapped then makes it easier than ever to quickly dispatch leak repair teams directly to the trouble spots.
Historic data for each unit can also be called up, allowing for a systematic analysis of leak positions over time, and all the data can also be exported in .csv format for water company gIS systems, to be overlaid onto water network plans. This information can then be used to identify problem areas of the water network in the past, present, and – potentially – future.
Another benefit of automatic location logging is the asset se-curity it offers – no more units lost due to inaccurate or mislaid maps, and easier retrieval for temporary ‘lift and shift’ opera-tions.
industry spotlights laboratory equipment & instrumentsاملعدات املخبرية وأجهزة القياس
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 446
.Connects برنامج جديد يهدف إلى رأب الصدع ما بني املعلومات الصادرة عن املختبرات واملعلومات على مستوى الشركات واملشاريع، وهو بعنوان Thermo fisher Scientific أطلقت شركةجرى حفل إطالق البرنامج خالل مؤمتر Pittcon 2009 الذي أقيم في مدينة شيكاغو األميركية من 8 إلى 13 آذار )مارس( 2009. يتضمن Connects تقديات الشركة من أنظمة إدارة املعلومات املخبرية وأنظمة املعلومات الكروماتوغرافية، باإلضافة إلى خبرة الشركة في مجال نقل املعلومات ما بني املختبرات واملشاريع. يتضمن بذلك Connects األدوات التي تصنعها الشركة من برامج تشغيل إلكترونية
ومعدات وأجهزة قياس باإلضافة إلى اخلدمات اإلستشارية للزبائن.REfER TO rin 46 On PAgE 88
Connects: elevating the role of laboratory informatics into the enterprise
thermo Fisher Scientific Inc., the world leader in serving science, launched a new program aimed at bridging the gap between laboratory generated data and the enterprise level information that is required for mission critical management decisions. Thermo Scientific Connects was being launched at Pittcon 2009 in Chicago, Illinois, from March 8 to 13, 2009.
Thermo Scientific Connects is a set of offerings that lever-age the company’s breadth of Laboratory Information Man-agement Systems (LIMS) and Chromatography Data Sys-tems (CDS) capabilities, as well as expertise in enterprise systems integration to help streamline and improve the transfer of knowledge between laboratory-generated data and enterprise-level information systems. Connects assists organizations in integrating application-specific workflows, thereby transforming laboratory data into relevant business information and maximizing a company’s enterprise system investments to better support critical management decisions in today’s resource-constrained environment.
Thermo Fisher Scientific is well positioned to offer this com-prehensive solution set, which is comprised of a combination of Thermo Scientific instruments, LIMS and CDS software, tools and services, and capitalizes on ongoing partnerships with technology leaders including Microsoft, SAP, Oracle, en-terprise Electronic Laboratory notebook (ELn) providers like Symyx Technologies, document management systems (DMS) companies like NextDocs and members of the company’s Global Partner Alliance, a network of highly experienced part-ners that deliver local and regional support to Thermo Scientif-ic product and service offerings around the world. By offering an end-to-end solution that facilitates the integration of vari-ous instruments and systems, along with the interoperability necessary to transform data into relevant business drivers, Thermo Scientific Connects will help expand the business of science from the laboratory throughout the enterprise. Thermo Scientific Connects is the latest strategic initiative from Thermo Fisher Scientific that leverages the power of the company’s product and services offerings and its partners, to
bring key business knowledge originating in the laboratory to management at all levels of the enterprise. The integration of the entire enterprise will facilitate better data correlation and collaboration, end-to-end report generation, more secure data exchanges, with the goal of providing management with a dashboard view of the key metrics essential to running the business, thereby enabling management to have the critical data they need before, not after, any point of crisis.“Analytical laboratories can provide critical data for tighter control of manufacturing processes and to ensure product quality,” according to ARC Sr. Analyst Paula Hollywood “but only if a coordinated integration strategy is employed where lab data is integrated with higher level business systems that will provide information visibility to decision makers when they need it. The value of lab data is enhanced when part-nering with a supplier such as Thermo Fisher Scientific who has the analytical measurement expertise, the knowledge of process manufacturing, the capability to manage the data, and provides the support services required for an integrated solution.”
This integration of Thermo Scientific Informatics solutions with enterprise systems and laboratory equipment is particu-larly relevant in today’s business climate where near instan-taneous response is required by companies in all industries to protect the public or the environment, whether it be a food producer responding to a contamination event, a petro/chem-ical company ensuring the safety of the natural environment, or a pharmaceutical company responding to raw materials inconsistencies in a manufacturing environment.
Dave Champagne, vice president and general manager, In-formatics, Thermo Fisher Scientific, says “We have an oppor-tunity to help our customers now respond with more certainty to the many challenges facing business today. Changes in the current environment, whether political, economic or regu-latory, make it imperative for companies to gain greater lever-age and utilization from their existing enterprise data systems and LIMS investments. Working closely with our strategic partners, Thermo fisher is well positioned to help our cus-tomers to achieve these goals.”
Thermo Fisher Scientific Inc. is the world leader in serving science, enabling our customers to make the world healthier, cleaner and safer. With annual revenues of US$ 10.5 billion, the company has more than 34,000 employees and serve over 350,000 customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universi-ties, research institutions and government agencies, as well as environmental and industrial process control settings.
www.thermofisher.com
املعدات املخبرية وأجهزة القياسأخبار صناعيةLaboratory Equipment & Instruments
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 47
أطلقت KROHnE نظام WATERFLUX 3070 اإللكترومغناطيسي اجلديد لقياس املياه وتدفقها، وهو مزود ببطارية تدوم لـ15 عام مما يجعله مثاليا للمنشآت النائية حيث تغيب إمكانية وصلها إلى مصدر طاقة. بإمكان تزويد العداد بتقنية gSM لنقل وإرسال املعلومات عن بعد. عرض WATERfLUX في معرضي Aqua nederland وWasser Berlin في آذار )مارس( املاضي. يساهم
تصميمه املتراص بتسهيل تركيبه في احلجرات الصغيرة واآلبار الضيقة، وهو منخفض الثمن وال يحتاج إلى أي صيانة أو عمليات تنظيف تذكر.REfER TO rin 47 On PAgE 88
the new WAterFluX 3070 battery-powered water counter
Krohne introduced a new measuring instrument: The WA-TERFLUX 3070 is an electromagnetic water counter for stan-dard applications in the water and wastewater industry. It has a very long battery life of 15 years, making it especially suit-able for applications where no power connection is available. The counter also has the option of a gSM module for remote transmission of measurement data and status information. The WATERfLUX was showcased in March 2009 at both the Aqua Nederland and Wasser Berlin exhibitions.
The new WATERFLUX 3070 offers the user some unique benefits that comparable solutions lack: Thanks to extremely short inlets and outlets, the WATERfLUX can be installed in very narrow wells and chambers. The counter is highly ac-curate and being a magnetic-inductive meter, it is superior to mechanical water meters in terms of pressure loss and long-term stability. For large diameters, the WATERFLUX 3070 has a significant price advantage compared to the lifetime cost of mechanical meters which require filters and rectifiers as well as maintenance and cleaning.
The heart of the WATERfLUX is the measuring tube with a rectangular cross section, which offers several advantages: The coils are arranged so that a strong, homogeneous mag-netic field is formed and the measurement is thus indepen-dent of flow profile. In addition, this allows for extremely short inlets and outlets. The optimized thickness of the metering
eddy currents are minimized and allow for highly accurate measurement (± 0.2% ± 1.5 mm/s). The tube itself is high-pressure stable; it is made of cast aluminum with a coating of Rilsan®, which is approved for potable water.
for the operation of an electromagnetic water meter, electri-cal energy is needed. However, in many cases, the remote location of the meter makes connection to the electricity grid impossible. KROHnE have overcome this issue, by giving the WATERFLUX 3070 a battery life of up to 15 years until the battery has to be changed. This means it is maintenance-free and can be operated at very low maintenance costs. Its long lifetime is due to its unique sensor design, and the very low power consumption of the components within the coun-ter. Due to this modern technology, the power consumption is lower by a factor of 5,000 compared to a conventional elec-tromagnetic flow meter.
If no power supply system is available, often the connection to the PLC is also not available. Therefore, the user at wa-ter sources, wells, or network transfer is reliant on remote data transmission. For the WATERFLUX 3070, a Datalogger and gSM transmitter as a compact module are available. The Data Logger stores all data, including peak flow and low flow during the night. This information is then transmitted by the GSM network to the next radio mast and from there via satel-lite to a server that the user can access.
As well as providing accurate flow measurement, the WA-TERFLUX 3070 can also indicate the charge conditions of the battery as well as the draining of the tube. The WATERfLUX 3070 meets the requirements for custody transfer according to OIML R-49 and MI-001.
The device is available in sizes from Dn 25 to Dn 600. WATERfLUX is also available in combination with the well known signal converters IFC 100 and IFC 300, enabling the application and benefits of the unique sensor design in those industries where there is mains power at hand. The new WATERFLUX 3070 will be still available for viewing at Wasser Berlin until April 4.
KROHnE was established in 1921, KROHnE is a family-owned business employing 2,510 people around the world with representatives on all continents. The company head-quarters are based in Duisburg, germany. KROHnE is a mar-ket leader in the development and manufacture of innovative measurement technology and prides itself on exceeding cus-tomer expectations in terms of quality, performance capabil-ity, service, and design.
industry spotlights laboratory equipment & instrumentsاملعدات املخبرية وأجهزة القياس
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 448
أعلنت شركة Emerson Process Management عن توسيع سلسلة عدادات Micro Motion® Coriolis التي تصنعها والتي متتاز بكونها دقيقة ومتعددة اإلستعماالت في
مجال القياس وهي متينة وال حتتاج إلى أي عملية صيانة تذكر.
RiverSurveyor و RiverSurveyor S5 عدادي SonTek/YSI أطلقت شركة واألنهر القنوات في املياه وتصريف وعمق تدفق لقياس سرعة Doppler بتقنية M9املزودين واجلداول، وهما بذلك يدمجان ما بني ثالث وظائف في جهاز واحد مما يوفر آالف الدوالرات على
الزبائن من ناحية املعدات وفرق العمل والوقت.REfER TO rin 49 On PAgE 88REfER TO rin 48 On PAgE 88
emerson expands two-wire Micro Motion® Coriolis range of applications
the riversurveyor s5 & M9, the water monitoring industry’s first multi-frequency acoustic Doppler profiler
It is a product unlike any other currently available on the mar-ket and by every account, has raised the technological bar when it comes to making river discharge measurements. Built to easily collect data in the most extreme flood and drought conditions, the next-generation RiverSurveyor S5 & M9 from sontek/ysi are used to collect velocity profiles, depth, and discharge data in canals, rivers, and streams. It combines three instruments into one, saving customers thou-sands of dollars in equipment, personnel, and time. Multiple acoustic frequencies fused with precise bandwidth control make for the most robust and continuous shallow-to-deep channel measurements ever. Leading technologies such as Bluetooth, spread spectrum radio, and RTK (Real-Time Kine-matic) gPS are all incorporated to elevate performance and expand utility. With a press of a button on a mobile device, or from the con-venience of a nearby laptop, the RiverSurveyor offers the fastest pinging and data processing available. Other features that make the RiverSurveyor exceptional are:
• Continuous shallow-to-deep discharge measurements (first of its kind!)• Designed for extreme flood or drought conditions• Exclusive vertical beam for bathymetry• Built in software processing package - “RiverSurveyor Live”• Instant data to a mobile device• Automated cell size• Bottom-tracking
“not only are the S5 and M9 great new products for river dis-charge, but the Doppler engine that powers them is superior to any Doppler technology that currently exists and will serve as the basis for entirely new family of products” says Chris Ward, SonTek/YSI Director of International Business Devel-opment.
five months following the introduction of the first two-wire Micro Motion® Coriolis meters, emerson process Manage-ment announced an expansion of Coriolis line sizes now available with this new technology. Designed specifically for loop-powered applications, the Micro Motion 2200S transmit-ter is now available on ELITE Coriolis meters for line sizes ranging from 1/8” (3mm) to 6” (150mm).Process engineers, managers and plants around the world have benefited from Coriolis accuracy, multi-variable mea-surement, and robust, maintenance-free performance. With the introduction of the Micro Motion two-wire Coriolis meter, these advantages are expanded to an even wider range of applications where older flow technologies have traditionally been used due to lack of power in the field. Emerson’s Micro Motion two-wire Coriolis meters deliver +0.10% liquid flow, +0.0005 g/cm3 liquid density accuracy and +0.35% gas flow accuracy in process control applications. With no moving parts, these meters require no maintenance and are available in a variety of materials of construction. With the new line extension, two-wire Micro Motion meters can handle flow rates from 0.0075 lb/min (2kg/h) up to 20,000 lb/min (545,500 kg/h). Since its introduction, Emerson’s Micro Motion 2-wire Corio-lis measurement has been adopted in a range of industries including chemical, petrochemical, pharmaceutical, paper, oil and gas, power, metals and mining. It is ideal for process control and delivers particular value for continuous flow, bulk batching, gas flow measurement, mass balance, and plant efficiency monitoring applications. The intrinsically safe Model 2200S transmitter is suitable for a range of process conditions and has C1D1/C1D2 and Zone1/Zone 2 hazardous area approvals. Equipped with MVD™ digital processing technology, the Micro Motion 2200S trans-mitter delivers multivariable and diagnostic information via HART® communications for reduced costs through improved process consistency and maximized uptime.
Micro Motion Coriolis meters are part of Emerson’s broad range of intelligent, digital field devices that power the PlantWeb® digital plant architecture.
SonTek RiverSurveyor- S5 and M9 Systems
املعدات املخبرية وأجهزة القياسأخبار صناعيةLaboratory Equipment & Instruments
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 49
تقدم شركة Aalborg عدادات مياه جديدة مزودة بعجالت تغريف تساهم بتخفيض التكاليف وتأمني قياسات دقيقة في منشآت التدفق املنخفض، العدادات سهلة التركيب والتشغيل وتدوم لوقت
طويل.
صمم عداد AVfM-II اجلديد من greyline لقياس مياه األمطار البلدية ومياه الصرف الصحي ومياه الري. يستعمل هذا العداد محساس مغمور ما فوق صوتي لقياس السرعة ومستوى املياه في الوقت
عينه بشكل متواصل، وهو مضاد للتآكل واإلنسداد بسبب امللوثات واألوساخ.
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new area-velocity flow meternew multi-parameter paddle wheel flow meter Monitor flow through open channels, par-
tially full sewer pipes and surcharged pipes without a flume or weir. This new flow meter is designed for municipal stormwater, com-bined effluent, raw sewage, and irrigation water. The new greyline AVfM-II uses a submerged ultrasonic sensor to continu-
ously measure both velocity and level in the channel. The sensor is resistant to fouling and corrosion. The AVfM-II can be configured with the standard submerged Velocity/Level sensor, or with submerged velocity and a separate non-con-tacting ultrasonic level sensor. It includes flow rate display, totalizer, three 4-20mA outputs, and two control relays. Intrin-sically safe sensors and built-in data logger are optional.greyline develops and manufactures industrial flow and level monitoring instruments for measurement and control in water and wastewater treatment, industrial process automation and for environmental monitoring. greyline Level instruments in-clude ultrasonic level transmitters, pump station controllers, tank farm monitoring systems, software, and data loggers. Greyline’s ultrasonic flow products include portable meters for troubleshooting and surveys, Doppler flow meters with strap-on sensors, flow switches, open channel and area-velocity flow monitors.
Paddle wheel flow meters offer cost-effective, high accuracy solutions to low flow liquid applications.
Simple in design with only one moving part, these new paddle wheel flow meters from Aalborg are easy to install and op-erate. Sapphire jewel bearings facilitate virtually friction-free impeller wheel rotations resulting in linear low flow metering.Models constructed of Polypropylene or chemically resistant PVDf can be mounted either horizontally or vertically and en-sure long operational life.
Designed for measuring very low liquid flow rates and for highly accurate temperature readings, paddle wheel meters are ideally suited to many flow system applications. Design features include metering accuracy ±1% fS and tem-perature output from Platinum RTD, 0.00385 TCR, meeting En 60751, Class B.
The sensor can be replaced in the field and an optional four-wire Platinum RTD probe is available.Visible flow indication via the transparent acrylic cover.The flow output signal is a versatile square wave and the ports are female nPT.
Typical applications for paddle wheel flow meters include: Research and development facilities, metering applications, test stands, OEM applications, water treatment systems, wa-ter dispensing systems, flow verification, and process appli-cations. R
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country / regional reportsiraqالعراق
arab Water World (aWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 450
يشكل قطاعي املياه والكهرباء التحدي األكبر للحكومة العراقية احلالية. يساهم برنامج احلكومة والبرنامج الدولي إلعادة اإلعمار بتعزيز وتطوير القطاعني بعد عدة سنوات من اإلهمال. كان من املستحيل إعادة تأهيل بعض املشاريع واحملطات، مما استدعى بناء مشاريع مائية جديدة بعدة قدرات، بعضها مصممة ملعاجلة مياه الصرف الصحي وضخها، والبعض اآلخر مصمم إلنتاج املياه احملالة من خالل إستعمال
تكنولوجيا حتلية املياه بواسطة التناضح العكسي. يتناول هذا املقال عدة مشاريع جديدة في العراق وخاصة في مدينة البصرة.RefeR to rin 53 on pAge 88
Recently, the development of the Iraqi water sector gained momentum as many new water projects are under construction and the rest are already operating. Interestingly, most of the new water projects were executed or under construction by Iraqi contractors. the contractors are responsible for preparing the full details: Civilian, electrical, mechanical, and chemical drawings and cost estimation for all items in the scope of work. The contractors’ office for supervision will evaluate these items before giving the official acceptance and certification for starting with works in these new sites. After that, the contractors will be responsible for site mobilization and recruiting specialized engineers and employees. the contractors must also submit official documents before delivering any new equipment or materials to the site. The contractors’ office will evaluate the specification before giving the approval in case it is identical to the scope of work requirements.
for most new projects, the safety factor must be achieved and available in all work stages. the safety engineers must continue monitoring all safety aspects inside the projects. Also, safety engineers from the contractors’ office will check the safety issue. Sometimes, projects can be turned off when safety requirements are not met. Many safety reports must be prepared during the project’s development stages, and multi safety meetings must be carried out on site and at the contractors’ office.Many examples are available in the city of Basrah where many water projects are under construction. for example, garmat Ali water project is considered one of the main projects in the city. the project’s budget from USACe-gRS corps of engineer is about US$ 8 million. this project aims at constructing a new water treatment station beside the old one. two lift pump stations are constructed on the Shat Al-Arab river, 8 water pumps (8*2,000 m3/hour) are provided which are responsible for pumping the raw
new strategies and monitoring for the requirements of water projects in Iraq
The water and electricity sectors represent the largest challenge for the current Iraqi government. The Iraqi governmental program and international reconstruction program from MND contribute in supporting and developing these sectors after many years of neglect. In fact, it was impossible to rehabilitate the old projects because they had reached their expiry date. For this reason, the reconstruction programs aim to construct new water projects with different capacities, where some of these projects are designed to only treat the raw water then pump it to the water pipes network, while the other projects are designed for the production of desalted water by using reverse osmosis desalination technology. Unfortunately, reverse osmosis projects are still unable to cover the total water requirements for drink-ing and industrial sites. Up until now, water desalination projects depended on selling the produced water to water contractors who are responsible for transporting and selling it to customers.
By Dr. Ala’a Abdulrazaq*
water directly to Basrah’s central water station. Also, the low lift pump station is provided with four water pumps (4*1,500 m3/hour), the station is responsible for pumping the raw water to two water compact units (2*400 m3/hour) where the raw water will be treated by using alum and disinfected by gas chlorination systems.
the water compact units (made in turkey) are delivered, they combine the following items:
eight1- sedimentation tanks with auxiliaries four2- collection tanks three3- sand filters ( 3*25 m3) with auxiliaries
the treated water will be sent to the concrete water storage tank which has a capacity of around 3,000 cubic meters. three chlorination injection points and three mixers are connected on the roof of the water storage tank. the storage tank is connected with the high lift pump station which is made of five water pumps (5*1,000 m3) and responsible for pumping the treated water to the villages around the water station. the site is provided with three gas chlorinator systems (10 kg/hr) from a hydro-instrument company along with four diesel generators (4*1Mw). the new water project has a very large laboratory and will be provided with several equipment for testing and measuring. Many items are still under construction such as restrooms, parkings, overhead cranes, compressors, transformers, chlorination building, electrical building, sunshields, route roads, steel intake water structures, diesel generator building with transformers, 33 KV cable equipment, and lightning protection system.the regular work systems and the new strategies in the water sector in Iraq encourage many international companies to make many investments in this sector as prime contractors or sub-contractors, especially if the security situation becomes more and more stable in the country.
*assist. prof. dr. ala’a abdulrazaq basrah university, basrah, iraq
existing water station at garmat Ali
new water intake steel structure
العراقتقارير البلدان واملناطقIraq
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 51
حضر مؤخرا مسؤولون من احلكومة العراقية ومن منظمة USAID األميركية للتنمية الدولية ندوة مخصصة لتحسني إنتاجية القطاع USAID الريفي وذلك من خالل إدارة املياه الفعالة وحسن إختيار املزروعات. تأتي هذه الندوة كخطوة إضافية لدعم هذا القطاع من قبل
حيث استثمرت املنظمة حتى اآلن في العراق 6 مليار دوالر أميركي منذ العام 2003.RefeR to rin 54 on pAge 88
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usaid promotes water management for farmers
US aid officials and members of the Iraqi government recently attended a symposium designed to improve the rural sector’s productivity through effec-tive water management and proper crop selection, as reported by The Tech Her-ald. the March 4, 2009 irrigation confer-ence titled “Reviving Irrigation Districts” was inaugurated by the U.S. Agency for International Development (USAID) Deputy Mission Director Thomas R. Delaney and the Iraqi Minister of Water Resources Dr. Abdul Latif Jamal Rashid in the capital Baghdad.
Agriculture is the largest single em-ployer in Iraq and its second most im-portant industry behind oil. the country has close to 12 million hectares of land deemed suitable for farming as the area is surrounded by the tigris and euphra-tes rivers. According to USAID, of the 12 million hectares, 8 million are con-sidered irrigable with the remainder re-lying on rainfall.
However, serious neglect of irrigation infrastructure over a period of twenty years by Iraqi farmers has led to “...seri-ous deficiencies and degradation, con-straining availability of water for agricul-ture,” said the aid agency statement.
In order that these challenges be met head on, USAID’s Inma Agribusiness program invited leading Iraqi agricultur-al researchers, economists, and policy experts to review and identify advances needed to manage farm production with limited water resources.
Utilizing fresh skills and resources, the program aims to analyze a range of op-tions for Iraqi farmers to manage water efficiently and obtain higher crop yields.
the program looks to encourage higher value and more water efficient crops, ex-amine participative water schemes and also examine the possibility of bringing in the expertise and higher funding of public-private partnerships.
the agency says that such partnerships would promote the use of efficient irri-gation and relieve governments of the
responsibility of maintaining irrigation infrastructure.
the water management program com-plements USAID’s other work in Iraq where it has responded to the country’s needs by investing US$ 6 billion since 2003 on projects designed to improve national, local, and provincial gover-nance and communities.
Bathing in the euphrates
country / regional reportsiraqالعراق
arab Water World (aWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 452
the government of iraq signs nearly us$ 3 billion power generation agreement
with ge energy
أعلنت وزارة الطاقة العراقية في منتصف شهر كانون األول )ديسمبر( املاضي عن توقيع إتفاقية مع شركة ge energy لتأمني معدات توليد الطاقة من الشركة باإلضافة إلى خدمات الصيانة بقيمة 3 مليار دوالر أميركي لتعزيز تطور البالد اإلقتصادي في املستقبل. ستتكون املعدات بشكل عام من تربينات غاز 9e من ge باستطاعتها تأمني قدرة 7,000 ميغاواط من الكهرباء، وتخطط احلكومة العراقية لتوزيع
هذه التربينات على مواقع استراتيجية في جميع أنحاء العراق لدعم الشبكة الكهربائية في البالد.RefeR to rin 56 on pAge 88
www.ge.com
the Iraqi Ministry of electricity and ge energy announced in mid December 2008 at a ceremony in Baghdad that they have signed an agreement for power generation equipment and ser-vices valued at nearly US$ 3 billion to provide much-needed electricity to sup-port Iraq’s future economic develop-ment. The announcement is a signifi-cant milestone as the country seeks to rapidly develop its energy infrastructure and increase its electricity production.
Under the agreement, ge energy is providing heavy-duty frame 9e multi-fuel gas turbines capable of supplying 7,000 megawatts (MW) of electricity. the government of Iraq plans to in-stall the units at key sites around the country to provide needed support for the electricity grid. ge’s 9e gas turbine technology has proven reliability and performance in more than 400 applica-tions worldwide.
“We are honored that the government of Iraq has chosen ge to support its efforts to expand the country’s energy infrastructure,” said John Krenicki, ge Vice Chairman and president and Ceo of ge energy. “electricity is the back-bone for quality of life and economic growth. We can bring the strength and dependability of ge’s advanced power
generating technology and services to Iraq’s mission to address long-term electricity demand.”
As the world’s leading supplier of gas turbines, ge energy is well positioned to help Iraq meet its future needs for reliable and stable power generation. More than 6,000 ge gas turbines are installed worldwide, and have accumu-lated more than 200 million hours of operating experience at unparalleled reliability levels.
Currently, Iraq’s daily power genera-tion output averages less than 6,000 MW, while the demand is typically more than 10,000 MW. the ge turbines can provide a platform for power stability helping address electricity shortages and position Iraq for future economic growth.
“ge energy has been active in the Mid-dle east for many decades, participating in the development of many economies around the region,” said Joseph Anis, ge energy’s Region executive for the Middle east. “We remain committed to the region, applying our global capabili-ties and experience to assist countries like Iraq in building strong energy infra-structures to support their overall eco-nomic and social growth.”
the agreement follows the government of Iraq’s previous order with ge in May 2008 for eight gas turbines capable of generating 600 MW to meet short-term power requirements in Iraq.As part of the agreement, ge energy will also provide technical advisory ser-vices, performance testing and spare parts to support the reliable operation of the turbines. In addition, ge will provide technical and management training in order to help Iraq strengthen its power sector workforce.ge has a long history with Iraq and its infrastructure, one that dates back to the 1970s. there are 120 ge power turbines installed in Iraq today. Since 2003, ge has been supporting Iraq in-frastructure needs in power generation, oil and gas, water processing, aviation, and healthcare. “We are proud of our heritage in Iraq and hope to build on this foundation by continuing this suc-cessful partnership well into the future,” concluded Krenicki.ge has been active in the Middle east since the 1930s, and today has regional management and project management offices as well as repair and services facilities locally to serve its customers in the region.ge energy is one of the world’s lead-ing suppliers of power generation and energy delivery technologies, with 2007 revenue of US$ 22 billion. Based in At-lanta, georgia, ge energy works in all areas of the energy industry including coal, oil, natural gas and nuclear en-ergy; renewable resources such as wa-ter, wind, solar and biogas; and other alternative fuels. numerous ge energy products are certified under ecomagi-nation, ge’s corporate-wide initiative to aggressively bring to market new tech-nologies that will help customers meet pressing environmental challenges.ge is a diversified global infrastructure, finance and media company that is built to meet essential world needs. from energy, water, transportation and health to access to money and information, ge serves customers in more than 100 countries and employs more than 300,000 people worldwide.
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي
تركياتقارير البلدان واملناطقturkey
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تفاقمت مشكلة شح املياه في تركيا في السنوات القليلة املاضية، وعزز من أثر هذه املشكلة تطور النمو السكاني والتمدين املتزايد. بدأت تركيا مسيرة خصخصة قطاع املياه وتلزيم عقود مشاريع اإلنشاء والتشغيل والتحويل في أوائل الثمانينات من القرن املاضي. على الرغم من املساندة الشعبية ملشاريع اخلصخصة، فإن املواقف السياسية واملشاكل القانونية تعترض طريق هذه املشاريع وطريق تطبيقها بشكل أوسع. تستثمر الكثير من شركات املياه األجنبية كـ SUeZ وthames Water في تركيا، وهي حاضرة في عدة مشاريع. تساهم احلكومة في قطاع املياه والبنى التحتية، كاستثمار دائرة املياه وأعمال الصرف الصحي في
إسطنبول لـ450 مليون دوالر أميركي في العام 2003 في مشاريع بنى حتتية في املدينة ومحيطها مع التركيز على مشاريع شبكات الصرف ومعاجلة مياه الصرف امللوثة.
source: pinsent Masons Water yearbook 2007-2008
Water shortages in turkey, in recent years, have become a widespread prob-lem that has been exacerbated by rapid urbanization. of the total surface runoff of the country, estimated at 192.8 cubic kilometers per year (km3/year), almost one-fourth comes from the euphrates and the tigris rivers, which both have their sources in the eastern part of the country. turkey contributes about 90% of the total annual flow of the Euphra-tes, while the remaining part originates in Syria and nothing is added further downstream in Iraq.
turkey contributes 38% directly to the main tigris River and another 11% to its tributaries, which join the main stream of the tigris further downstream in Iraq. In general, the streams vary greatly in their flow from season to season and year to year. for example, the euphra-tes’ annual flow at the border with Syria ranged from 15.3 km3 in 1961 to 42.7 km3 in 1963.
privatizationturkey was one of the pioneers in the use of Bot contracts (build-operate-transfer) in the developing economies during the early 1980s.
there is a high level of public support for privatization, but political opposi-tion and legal problems remain. turkish courts are responsible for the operation of Bot concessions whereby the courts have to clear each project and all objec-tions to them.
this makes life difficult for international finance, whereby some form of inde-pendent international arbitration would be more attractive. It is widely expected that water privatizations will take place in the medium term. In this sense, Izmit (bulk water provision) and Anta-lya (o&M, water and sewerage) are groundbreaking contracts.
Water sector privatization and management in turkey
international players notedSUeZ and thames Water have a major presence in the country, while United Utilities/Bechtel and SAUR were in-volved in the bidding for Antalya.
spending plansthe Istanbul Water and Sewerage Ad-ministration (ISKI) allocated US$ 450 million for infrastructure projects in 2003, with an emphasis on sewerage and sewage treatment.
izmitIzmit had a troubled start because of the turkish Bot award system delay-ing the start of the contract implementa-tion process for nearly two years. Since then, the three year construction phase has been completed, and in 1999 the contract entered its 15 year operational phase. A reservoir supplies water to Izmit, the surrounding towns and vil-lages and to Istanbul.
the project involved 100 kilometers of pipeline being built, connecting the res-ervoir to the city of Izmit. the reservoir has a capacity of 60 billion liters with an annual yield of 142 billion liters. the water treatment works is 5 kilometers downstream from the reservoir, and has a capacity of 480 million liters/day. the
treatment facilities cost US$ 100 million to build. the project was 85% debt and 15% equity financed. US$ 140 million of equity finance was provided by Thames Water (UK, 35%), Mitsui (Japan, 7.5%), Sumitomo (Japan, 7.5%), gama (tur-key, 23%), guris (turkey, 12%), and the remaining 15% by the Izmit municipal-ity. These investments are reflected in their respective holdings in Izmit Su As, the operating company. US$ 803 mil-lion of debt finance was arranged, the principal components were: US$ 236 million export Credit guarantee Depart-ment (eCgD) supported credit loan ar-ranged by nat West (UK), US$ 167 mil-lion turkish commercial loan, US$ 180 million CofACe buyer credit loan, US$ 40 million Japanese commercial loan, and US$ 180 million JeXIM credit loan.
adana – a short term wastewater treatment botAdana had a population of 1.22 million in 2003. the city had no wastewater treatment facilities until a Bot contract was signed in 2001 with a consortium headed by VA tech Wabag (Austria) funded through a US$ 58 million eIB loan. the two treatment plants entered service in 2004 and were operated by VA tech until 2007. they can treat 0.2 million m3/day, a capacity which will be increased to 0.4 million m3/day by 2015, and 0.52 million m3/day by 2025, serv-ing up to 2.6 million people. In 2001, the city awarded MVV (germany) a 2 year water leakage management con-tract, which has now been concluded.
Water fountain in front of the Blue Mosque, Istanbul
urban services
Safe Drinking Water 91%
Access to sewerag 84%
% sewage treated 5%
arab Water World (aWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 4
country / regional reportsturkey
تركيا
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تقوم شركة Aquamatch turkey بإنشاء أول مشروع إعادة إستعمال للمياه لها لصالح معمل تكرير شركة Tüpraş في Izmit. سيبدأ العمل في املشروع هذه السنة ملعاجلة املياه الصادرة عن ومياه تبريد كمياه إستعمالها بغرض وذلك حاليا، املوجود الصناعية الصرف مياه معاجلة نظام
مكافحة للحرائق.
للبيئة مراعية بطريقة الصحي الصرف ومياه املياه معاجلة مجال في ARgeS تختص شركة للمساهمة في التطور املستدام للمجتمعات احمليطة. تركز الشركة بشكل خاص على أنظمة إزالة املياه
من الكمأة ولديها سلسلة منتجات في هذا املجال.
Wastewater reuse for tupras Refinery and a desalination plant for avsa island
environmentally-friendly industrial water treatment from ARgeS
aquamatch turkey’s first wastewater reuse project is un-derway for the Tüpraş Izmit Refinery. The project, which will be commissioned this year, will treat the existing industrial wastewater treatment system effluent water, in order to reuse it as cooling water and fire fighting water. the 440 m3/hour capacity WWTP effluent will be pretreated by inline coagulation and multimedia filters. About 100 m3/hour filtered water will be reused as fire fighting water. Around 340 m3/hour filtered water will be further treated by activated carbon filters to reduce TSS and COD. After acti-vated carbon adsorption the effluent will be finally treated with ultrafiltration in order to obtain low TSS and COD effluent for cooling towers. Aquamatch turkey, who has installed the biggest desalina-tion plant in turkey with 880 m3/hour capacity for the private sector (thermal power plant), has been awarded the first pub-lic desalination plant “Avsa Island” by the governmental Insti-tute Bank Of Provinces (Iller Bankası).the plant has a 4,000 m3/day capacity as a first step and a 10,000 m3/day final capacity will be started up a year from the beginning of the contract’s date in December 2008.Aquamatch turkey will design and build the plant including: Intake and discharge structures, construction and desalina-tion systems, and will operate the plant for one year.
arges is a company that inclusively specializes in the sphere of water and wastewater treatment in addition to its diverse involvement in sustainable human progress and sur-vival of species, protected and enriched natural resources, economical and industrial development that is friendly to the environment.
ARgeS presents to its customers economic, rational, and ef-fective solutions as a consultant, manufacturer, contractor, constructor and engineering firm always ready and for reli-able service at any level and scale including turnkey basis installment and post delivery assistance.Being active in the sphere of environmental technologies for a long time, the company has successfully combined inter-national know-how with its own synergy in chemistry, photo-chemistry, hydraulics, microbiology and process designing. the fruits of this challenging combination are unique exam-ples of perfectly functional and befitting high technology and environmental engineering that not only meet international specifications and standards technologically but also satisfy hygienic and environmental requirements.ARgeS ARITMA MAKİNA has done researches on sludge de-watering systems since 1998. According to these researches rich experiences were gained and many seamlessly working dewatering equipment have been manufactured.
this a result of successful studies on the topics of:
• Wastewater treatment plants Biological Sludge• Iron Steel Industry Steelworks and Blooming Mill Wastes• Coal processing plants Wastes• Industrial Waste Water treatment plants Wastes• thermic Station Chimney gas treatment plants Wastes• Bentonite Wastes• food Industry Solid – Liquid Separation, many dewatering units were installed.
ARgeS ARITMA MAKİNA manufactures, supplies, and in-stalls a wide range of sludge dewatering equipment such as Belt filter press, filter press, Vacuum Belt filter, Belt thick-ener, Rotary Sludge thickener Mechanism, Drum thickener, Lime Silo, polyelectrolyte preparation Unit, Sludge Convey-or, etc...
Vacuum Belt filter
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي
تركياتقارير البلدان واملناطقturkey
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جرت محاكمة صورية في 10 آذار )مارس( 2009 في اسطنبول للقادة السياسيني األتراك واألجانب بتهمة تعريض البيئة وموارد املياه للخطر. هدفت احملاكمة إلى توعية الرأي العام مبا يخص إدارة موارد املياه وذلك قبيل افتتاح املنتدى العاملي اخلامس للمياه في اسطنبول الشهر املاضي حيث شارك فيه مسؤولون حكوميون ورجال أعمال ومجموعات من املجتمع املدني من 180 بلدا.
leaders on trial at ‘water tribunal’ in istanbulturkish and foreign leaders were placed in the dock in a mock trial in Istanbul on March 10, 2009 on charges of endan-gering the environment at a symbolic tribunal composed of environmental ac-tivists according to Afp.
the initiative, aimed to raise aware-ness on water resources management, preceded the fifth World Water Forum, which began in Istanbul on March 16 with the participation of government of-ficials, business people and civic groups from about 180 countries.
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“the idea is to bring to public attention problems related to the water policies of the governments in turkey, Brazil, Mexico, but also internationally,” said Ulrike Dufner from the german foun-dation Heinrich Boll Stiftung, which co-sponsors the symbolic tribunal.
the initiative aims to underline that ac-cess to “water is a human right and that we are violating a human right when we privatize water resources,” she told Afp.
the “tribunal” targets turkish prime Minister Recep Tayyip Erdogan over the Yusufeli dam project, which, ac-cording to the activists, would meet 0.6 percent of turkey’s power needs, while forcing the displacement of 16,000 peo-ple in the northeast and damaging local biodiversity.
Also facing “charges” is Chancellor An-gela Merkel over german plans to help finance the construction of the Ilisu Dam on the tigris River in southeast turkey, which would displace 54,000 people and submerge a prominent historical site.
the activists also target dam projects on the Madeira River in Brazil and ac-cuse Mexico over a worsening environ-mental situation in the country.
the jury of a mock trial is seen in Istanbul
turkish actress pelin Batu attends the mock trial
arab Water World (aWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 4
country / regional reportsscandinavia
الدول االسكندينافية
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Jungle bookAs if building a 217 MW power plant in a tropical jungle wasn’t hard enough, workers on the Changuinola Hydroelectric Project also have to cope with a kaleidoscope of wild animals. Brian O’Sullivan reports from the depths of northern Panama.
We all complain about the inconvenienc-es of our jobs from time to time. And in construction those inconveniences can be worse than most. Long hours, expo-sure to the weather, deadline pressure, months away from families – there is plenty of things to grumble about. But the next time you feel a complaint com-ing on, remember the workers on the Changuinola Hydroelectric project in the depths of the panamanian rainfor-est. they have to cope with all of the above – as well as scorpions creeping into lodgings, poisonous snakes drop-ping onto them from trees, black pan-thers, pumas – even ‘killer bees’!
Close to the border with Costa Rica and 600 kilometers from the capital panama City lies Changuinola, a fishing village named after the River Changuinola be-sides which it is built. Home for centu-ries to Indian tribes, the only previous outsiders to have ventured to this dense rainforest were banana farmers and ad-venturous tourists seeking the ultimate ‘get away from it all’ holiday. But now panama is changing. the substantial expansion of the country’s eponymous canal is just one part of a building boom that is increasingly putting the Central American country onto the map, turning it into an important economic and tour-ism destination.
But this expansion is putting pressure on the country’s infrastructure, not least its power generation capability. to overcome this, an ambitious plan is be-ing put in place to harness the power of the country’s rivers to provide a sustain-able electricity supply. the Changuinola Hydroelectric project panama is the flagship scheme. A 90-meter high roller compacted concrete, 545-meter wide dam will hold back a reservoir of 122 million cubic meters, and channel water down a 3,952-meter long concrete lined headrace tunnel to a main 207 MW tur-bine. the project, when completed, will deliver 939 gWh of power a year.
AeS Changuinola, a subsidiary of US-based AeS Corporation, owns the project, with a consortium compris-ing french headquartered Alstom and two Danish companies e pihl & Søn, and Mt Højgaard. About 1,000 people have been at work on the project since it began in 2007, and 300 operators are allocated to 150 pieces of mobile equipment. Volvo is the main equip-ment provider on the project, supplying through its local dealer, Commercial de Motores SA., over 34 machines. the Volvo fleet consists of 16 A35D articu-lated haulers, 11 wheel loaders, two Rototilt-fitted EW180C wheeled exca-vators (for embankment grading), one
70-ton eC700, a g710B motor grader, and a BL60 backhoe loader.
the fleet of machines has had their work out since arriving in May 2007, as creating the haul roads alone has been an epic undertaking. With a completion date set for 2011, machine reliability is of paramount importance, and the en-tire Volvo fleet is protected by a ‘Gold’ customer support agreement. this takes over responsibility for the repair and servicing and Volvo guarantees the fleet’s mechanical availability will not dip below 90% between the machine hours of zero to 8,000 hours. In actual fact, to-tal fleet availability after the first year of operation was an incredible 98.31%.
In charge of the Volvo fleet is 41-year-old Tommy Hokkanen, a friendly bear of a man who grew up in the Swedish town of Vaxjo, where Volvo’s haulers are made. With the help of local supervisor Abraham Acosta, nine technicians and five containers full of parts and tools, tommy and his team work 18 hours a day in two shifts, six days a week.“It’s hot, wet and sticky here, with plenty of wild animals and bugs to watch out for,” smiles tommy. “But these are not just difficult conditions for humans - it’s tough for the machines too. It rains a lot
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي
الدول االسكندينافيةتقارير البلدان واملناطقScandinavia
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Changuinola السويدية من آالت نقل للتربة وجرافات وآالت حفر وغيرها بإنشاء مشروع طاقة كهرومائية في منطقة Changuinola السويدية من آالت نقل للتربة وجرافات وآالت حفر وغيرها بإنشاء مشروع طاقة كهرومائية في منطقة Changuinola في أدغال باناما والذي يبعد 600 كيلومتر عن العاصمة Volvo تساهم ماكينات شركة-Co كة. أمنت كة. أمنت كة. أمنت Volvo أكثر من 34 آلة من خالل وكيلها احمللي ات متحركة. أمات متحركة. أمات متحر عني على وزعني على وزعني على 150 قطعة معد ل موزل موزل م ل مشغل مشغ شغ مشغ م 1,000 شخص في املشروع منذ إنطالقته في العام 2007، مع 300 كباناما املدينة. يشاركباناما املدينة. يشاركAeS Changuinola د. حد. حدد موعد اإلنتهاء من املشروع في العام 2011، وتبرز لتحقيق هذا الهدف أهمية فعالية هذه اآلالت وإمكانية اإلعتماد عليها. متلك شركة mercial de Motores SA
الدامنركيتني. الدامنركيتني. الدامنركيتني. Mt Højgaardو e pihl & Sønالفرنسية وشركتي Alstom املشروع بالتعاون مع مجموعة شركات مؤلفة من AeS Corporation التابعة لـ
حات تستخدم زة مبرشحات تستخدم زة مبرشحات تستخدم زة مبرشجهزة مبرشجه ة مجهة مجهة م ب من املياه املعاجلة يوميا. احملطة مب من املياه املعاجلة يوميا. احملطة مب من املياه املعاجلة يوميا. احملط متر مكعب من املياه املعاجلة يوميا. احملط متر مكعب من املياه املعاجلة يوميا. احملط متر مكع ة معاجلة ملياه الصرف الصحي حتت األرض في أوروبا في العاصمة النروجية أوسلو وهي بقدرة أكبر محطة معاجلة ملياه الصرف الصحي حتت األرض في أوروبا في العاصمة النروجية أوسلو وهي بقدرة أكبر محطة معاجلة ملياه الصرف الصحي حتت األرض في أوروبا في العاصمة النروجية أوسلو وهي بقدرة 390,000 تحت مؤخراإفتتحت مؤخراإفتتحت مؤخرا.maxit من شركة filtralite مواد ترشيح
brian o’sullivan Mba partner se10 [email protected]
and the equipment never stops, what-ever the weather. the earth is red and sticky clay. even the underbody heaters on the haulers struggle to work. Some-times it makes it stick even worse – and it becomes a big sticky cake of mud! But these machines are doing well, the eC700 is good at clearing, stripping overburden and mass excavation, while the wheel loaders are feeding crushers and supplying rocks from the river.”getting good people to work in such ex-treme conditions is difficult, and Tommy and Abraham go to great lengths to train the operators. this will include training on the use of a side tipping bucket when the wheel loaders start to work inside the headrace tunnel.
no excuses on safetyBeing a vast scheme covering such a wide area, local Indian tribes are liter-ally living inside the construction area. this means that adults and children
walk along the haul roads and have to be borne in mind with every activity. Site safety is taken extremely seriously, with radar controlled speed cameras moni-toring speed on haul roads. the penal-ties for breaking the rules are severe, and include losing the ability to drive on site – or being banned from the proj-ect altogether. this attitude is working, because apart from the odd snakebite, the site has been remarkably accident free.“It’s not just safety that is important,” states Per Moberg, who is in overall charge of all machine types on the site. “We are in a delicate environment here,
not only rainforest but also a 1,922-hectare Indian reservation. therefore there can be no oil spillages, and if they do occur, for every 1 liter of oil spilt, 1m3
of surrounding earth has to be com-pletely removed off site. fortunately, all machines have been very good on leaks and spills.”When the project is over, nature will be left to take over again. trees will be re-planted and the fantastic growth rate of tropical rainforests will quickly erase signs of human intervention. But until then tommy and his team will have to tommy and his team will have to tendure the rain, the mud, the heat, the wild animals, the bugs, and the long hours. “Volvo is committed to supplying these machines until 2011,” grins tom-tom-tmy. “So we are here to stay!”
europe’s largest underground water-works with a production capacity of 390,000 m3/day has recently opened in oslo, the capital of norway. the raw water comes from the lake Maridals-vannet and the water treatment process includes: pH adjustment; Actiflo rapid sedimentation process with addition of coagulant, polymer, and micro sand; dual media filters; UV disinfection; and corrosion control by addition of lime.
the plant has a total of 14 dual media filters, all with a 1.5-meter deep top lay-er of maxit’s filtralite® and a 0.5-meter deep bottom layer of sand. the design filtration velocity is 20 m/hour, which is
Filtralite® used in europe’s largest underground waterworks
considerably higher than for traditional drinking water treatment plants. Due to the efficiency of the total process and the properties of the filtralite® material, the run time of the filters is very long and the outgoing water quality exceeds the requirements.for delivery security reasons the plant consists of two identical yet mutually independent plants that can operate separately.the waterworks will supply water to 90% of the population of oslo and is lo-cated 15 minutes outside the downtown area.
Filtralite® will be exhibited in 2009 at:
-Wasser Berlin, Berlin, germany, March 30 – April 2-envex 2009, Seoul, Korea, June 9 - 12-VA-Mässan, Stockholm, Sweden, Sep-tember 22 – 24
the maxit group is the leading premix and exclay producer and provider of pre-mix plants and machinery in europe with more than 100 plants in some 30 countries. 4,900 employees contribute to an annual turnover exceeding US$ 1.6 billion. maxit group is part of the french concern Saint-gobain. the maxit group manufactures lightweight aggre-gates that are sold as finished products or are used to manufacture blocks and assembly units. Lightweight aggregates products are used as filling material for road projects, other geotechnical purpos-es, insulation, building blocks and chim-neys, and also for water purification.
arab Water World (aWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 4
country / regional reportsscandinavia
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denmark: Hdd boring where an environmentally friendly solution was needed
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-gRUnD Søren Knudsen A/S الدمناركية بأعمال حفر في منطقة حساسة بيئيا على جزيرة Hindø الدمناركية، متتد على 300 متر حتت املياه. إستعانت الشركة بجهاز حفر قامت شركةDRILL 8S من شركة tRACto-teCHnIK إلجناز املشروع بفضل خبرتها اجليدة مع هذا املنتج في السابق. صنع جهاز gRUnDoDRILL 8S املستعمل في هذا املشروع في العام 2003
وكان قد خدم قبيل إستعماله هنا نحو 5,500 ساعة عمل.
the Søren Knudsen A/S company per-formed an HDD boring in an environ-mentally sensitive area. the electrical supply cable to the little island of Hindø in the Stadil inlet was out of order and a new cable was required.
Hindø and the low water area around Hindø and Svellebusk have been de-clared as “environmentally protected ar-eas” by the Danish government, which means open trenching is no longer per-mitted.
So the contractor, Søren Knudsen A/S, was asked to do a HDD boring between the main land and the island. the bor-ing would be 300 meters under water plus some extra meters on each side of the water body. Approximately 20 me-ters on the main land for going under some dikes, and also approximately 20 meters on the island for boring beneath a meadow.
the boring was done in one working day, starting early morning and finish at 7:30 pm - including 3 magazine chang-es each way. the biggest challenge was to get the 110 pe pipe to the target pit because of the very soft soil on the island of Hindø.Søren Kundsen A/S decided to use their gRUnDoDRILL 8S for the job, because of their good experience with
gRUnDoDRILL from tracto-tecH-niK. the gRUnDoDRILLL 8S used for this job was produced in 2003 having more than 5,500 hours accumulated since then.
Søren Knudsen A/S was the first com-pany outside germany to invest in gRUnDoDRILL bore rigs in northern Europe. They got their first machine in 1994 - a gRUnDoDRILL with 6.5 tons of thrust and pull-back. they were also the first to get a GRUNDOHIT 40 in 1996 (a unique machine in the indus-try, being designed for surface launch and pit launch applications). Years lat-
er, Søren Knudsen switched to a more modern and efficient GRUNDODRILL 8S version. on the project described Søren Kundsen A/S used a DCI eclipse detection equipment from a boat in the inlet and the maximum depth was 8 me-ters. the drilling fluid was bentonite from MI with a mix of 25 kg Max bore and 0.25 kg pAC pr. m3. the job was carried out to everybody’s satisfaction and a big credit goes to Bent and Lasse from Søren Knudsen for a job well done. tRACto-teCHnIK is a modern and innovative family-owned company for special machines with its headquarters in Lennestadt, germany. tt is a spe-cialist for underground installation and pipe bending technologies and experi-ences an upward trend in trade due to extraordinary, highly beneficial products combined with an excellent service. tt became known as a trademark rep-resenting the complete range of pipe installation technologies. Striving direct on target is the company motto. this requires a great deal of flexibility as well as active growth- and benefit-ori-ented diversity when generating new products and services and developing new markets and target groups.
the Knudsen truck and bore rig ready to start the directional bore
the non-metallic boat needed to track the bore course
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي
الدول االسكندينافيةتقارير البلدان واملناطقScandinavia
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denmark a role model to local water market
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بإمكان الدمنارك أن تكون مثاال لتركيا في مجال توفير الطاقة وموارد املياه بحسب تصريح لسفير الدمنارك في تركيا السيد Jesper Vahr. تعمل حاليا 103 شركات دمناركية في تركيا في القطاع البيئي، وكانت الدمنارك حاضرة بشكل كثيف في املنتدى العاملي للمياه الذي أقيم في إسطنبول الشهر
املاضي.
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As one of the leading countries in energy efficiency and as a market leader in energy-saving equipment, Denmark could be a role model for the turkish market according to Jesper Vahr, the Danish ambassador to turkey.
103 Danish companies are active in turkey in regards to environment-related issues. the Danish pavilion featured at the expo center of the 5th world water forum in Istanbul, had much to offer turkey through its consultancy, invest-ments and initiatives and expertise in the water technology industry, said Vahr in an interview with Hürriyet Daily news & economic Review. Danish energy consumption relative to the country’s gDp is the lowest in the european Union. the Danish ambassador expressed his excitement about the fo-rum, saying water was an important part of the equation for energy efficiency and environment-related issues, all coming together in Istanbul at the biggest international gathering for water-related issues.
“the key is to build the awareness of consumers about envi-ronmental responsibility in order to bring down consumption and develop technology and facilities that can sustain less water consumption,” said Vahr, adding that in Denmark the total use of water has decreased by nearly 40 percent in the last decade.
Vahr explained that various Danish consultancy companies, such as grontmij, have been active with the turkish central government and municipalities in projects to increase water supply and handle wastewater in an environmentally safe manner. According to Vahr, new drinking water equipment has been put into place and water pipes have been imple-mented in order to circulate seawater and wastewater safely without seepage.
Vahr said that only 20% of wastewater was treated and recir-culated in turkey, whereas in Denmark the majority of water is redistributed through the system. Commenting on the types of water projects Denmark is con-tributing to in turkey, the ambassador said that in the main cities of Ankara, Istanbul, and Izmir the focus of the projects were based on water transportation.
When asked about turkey’s progress on environmental is-sues, Vahr said it was evident that these issues receive strong political attention in turkey and this was con-firmed during President Ab-dullah Gül’s visit to Denmark in August 2008. the sticking point according to Vahr is that it is a huge investment for turkey to be brought to eU standards and then to sustain
those standards. Vahr pointed out that turkey signing the Kyoto protocol was of utmost importance where much can be obtained.
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 4
depArtments Industry literatureمكتبة العدد
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Water Market Middle east تقرير global Water Intelligence أطلقت 2010 الذي يؤمن لقراءه حتاليل ورؤية شاملة لسوق وقطاع املياه في منطقة الشرق األوسط، متناوال التحديات التي تواجه القطاع وأبرز املشاريع القائمة في املنطقة، وذلك باإلضافة إلى توقعات ملستقبل
القطاع باإلرتكاز على األرقام املتوافرة حاليا.
test-Centric Assembly دراسة Intertech Development شركة تقدم املوجهة ملصنعي معدات معاجلة املياه املهتمني بطرق جديدة لتخفيض التكاليف وزيادة اإلنتاجية في
عمليات جتميع منتجاتهم خالل التصنيع.
Water market middle east 2010 Assembly and test white paper on test-Centric Assembly available from Intertech development Company
Water in the Middle east has historically been a scarce re-source. With the breakneck pace of economic development and population growth the regions existing problem has exac-erbated. governments’ are increasingly turning to the private sector to meet this challenge.the new “Water Market Middle east 2010” published by Glob-al Water Intelligence offers readers an exclusive insight and analysis of the water market in the region. providing you with detailed analysis of the challenges and trends in the region the report is your unique guide to the diverse opportunities emerging in the Middle east.
Coupled with extensive market forecasts and lists of cur-rent and upcoming projects Water Market Middle East 2010 shows you where your next dollar will come from. the report also includes a directory of local and international businesses operating in the region as well as contact details of key gov-ernment contacts in the region.
Water Market Middle East 2010 helps you to identify the trends, risks, and challenges of your market. the forecasts help you to plan with confidence in times when costs are be-coming more of a burden. the project list gives you extensive new business opportunities to create new sales from and the profiles of the companies operating in the industry highlights who you might be competing against. this will allow you to understand the whole market and see how you can succeed in times that demand special measures and create added value for your company. Water Market Middle East 2010 is published as a hard copy book for easy reference and a CD-RoM including a hyperlink version of the report. this will also include executive sum-maries of the data.
Water treatment equipment manufacturers seeking new ways to cut costs and increase throughput of test-intensive assem-bly operations can now obtain a technical guide discussing “test-Centric Assembly” from Intertech development Com-pany, whose testing Applications Lab is credited with both coining the term “test-centric assembly” and pioneering many of the methods and techniques outlined in the white paper. “test-Centric Assembly” is best defined as the upfront con-sideration of real-world test requirements in test-intensive assembly operations that is proven to lower production line inefficiencies. The contents of the technical guide include: Discussion of in-line vs. in-process testing; differentiating be-tween defective parts vs. defective tests; differences in fixture design for testing vs. assembly; comparing generic vs. cus-tomized software for testing applications; and related cost-savings of various assembly and test techniques. Jacques Hoffmann, president of Intertech Development Company, comments, “there are common mistakes made by machine builders or manufacturers that do not understand the details of test processes and what is required to fine tune testing in the context of an assembly operation. gauge R&R of test instruments does not equate or even correlate pre-cisely with the gauge R&R of the entire test and assembly operation, for example. Intertech’s Applications Lab routinely designs turnkey test and assembly systems that cut test cycle times by as much as 70%. this white paper discusses some of the principles involved in re-engineering for more efficient assembly and test operations without compromising testing integrity.”Intertech Development Company is a world leader in test-centric assembly and test specializing in automated leak and functional testing with 7 patented mass flow and hydraulic technologies, as well as, helium mass spectrometry (ISo-9001-2000 International Standards for Quality Management). Intertech Development Company-engineered solutions are used by hundreds of manufacturers worldwide. Intertech De-velopment Company’s worldwide support organization main-tains offices in North America, Asia, and Europe.
مكتبة العددأقسامIndustry Literature
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 61
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الذي Water Utilities in Australia تقرير أطلق كامل تغطي شاملة وحتاليل دقيقة معلومات على يحتوي قطاع مرافق املياه في أستراليا، من حجم السوق وتقسيماتها إلى اإلختبارات الشاملة وحتاليل متعلقة بالشركات الرائدة في هذا
flow الرائدة في مجال تصنيع عدادات املياه وصمامات التحكم، كتاب تقني بعنوان ،Badger Meter europa تقدم شركةالتدفق تقنيات قياس Metering, Controlling, Batching, Monitoring and Recording جلميع مستخدمي
والتحكم احلديثة.
أعلنت رابطة أعمال املياه األميركية في 7 كانون الثاني )يناير( 2009 عن أحدث نشراتها اإللكترونية بعنوان Streamlines والتي تدمج ما بني نشرتني سابقتني للرابطة بعنوان WaterWeek و e-MainStream. متت عملية الدمج بناء على عدة إستطالعات
للرأي من قراء هذه النشرات حيث طالب 70 باملئة منهم بالدمج.
Water utilities in Australia
new technical literature: “Flow metering, Controlling, batching, monitoring and recording”
American Water Works Association launches new publication
badger meter europa GmbH, a leading manufacturer of flow meters and small control valves, presents under the title ”Flow Metering, Controlling, Batching, Monitoring and Recording” a new techni-cal book for all users of state-of-the-art flow measurement and control technol-ogy. this book is the result of experience gained from problems encountered in the practice of flow measurement and control. The complex issue of flow meter-ing and controlling of liquids and gases is explained in detail over 320 pages. the choice for the right metering technology is determined for the application and the required accuracy class.
this book presents the important criteria to all users in a clearly laid-out format and content, and shows the fundamen-tal, theoretical differences of the measur-
AWWA announced on January 7, 2009 that its newest e-publication is now on-line. AWWA Streamlines is a biweekly electronic newsletter that merges two previous e-publications from AWWA, E-MainStream and WaterWeek. The first issue looks at the upcoming stimulus package from Congress and how utili-ties, consultants, and manufacturers in the water industry are dealing with the current economy. Streamlines brings readers timely and targeted stories about regulatory and legislative developments, industry is-sues and trends, utility practices, re-search and new technologies, along with information about the AWWA com-munity and resources. It offers quick access to the articles or sections of most interest to readers and acts as a selected directory to information on the AWWA website.
the Water Utilities in Australia industry profile is an essential resource for top-level data and analysis covering the wa-ter utilities industry. It includes detailed data on market size and segmentation, plus textual and graphical analysis of the key trends and competitive land-scape, leading companies and demo-graphic information. scope - Contains an executive summary and data on value, volume and/or segmentation -provides textual analysis of the indus-try’s recent performance and future prospects-Incorporates in-depth five forces competitive environment analysis and scorecards-Includes a five-year forecast of the in-dustry-the leading companies are profiled with supporting key financial metrics -Supported by the key macroeconomic and demographic data affecting the market Highlights-Detailed information is included on market size, measured by value and/or volume-five forces scorecards provide an ac-cessible yet in depth view of the mar-ket’s competitive landscape Why you should buy this report -Spot future trends and developments -Inform your business decisions-Add weight to presentations and mar-keting materials-Save time carrying out entry-level re-search
ing principles with their advantages and disadvantages. It deliberately avoided long, scientific derivations and details to provide the users with practical support and important facts, which should help them as a reference book for the selec-tion of the best suited flow meter or con-trol valve.the authors Horst Gras and Heinz G. Erb bring more than 35 years of experience to the book. A practical and relevant ref-erence book is now available for the user of state-of-the-art flow measurement and control technology.
“the decision to create the new publica-tion was based on several reader sur-veys,” said gary Zimmerman, AWWA executive Director, “70 percent of the readers in the last survey asked for a single, brief e-newsletter from AWWA for industry and association news.”
Delivered by e-mail and posted on the AWWA website (www.awwa.org), AWWA Streamlines is a benefit of AWWA membership. All members are eligible if they provide AWWA with their e-mail address; readers can contact AWWA Customer Service if they want to add or change their e-mail address.
the authors Heinz g. erb and Dr. Ing. Horst gras
ArAb WAter World (AWW) www.awwmag.com
Interviews & ProfilesdepArtmentsمقابالت وملفات الشركات
April 2009 / Vol. XXXIII Issue 462
1-Can you provide us with a general overview regarding the history of In-step software, and where are your company and its global/regional of-fices located?InStep Software is a leading provider of real-time performance management software and solutions for the utility, process, manufacturing, and telecom-munication industries and government agencies. InStep was founded in 1995 with its main office located in Chicago, Illinois, USA, and today has several ad-ditional offices in the expanding Asia Pacific region. InStep’s software prod-ucts extend the investment in modern control, monitoring and smart devices by collecting, storing, displaying, ana-lyzing and reporting the information provided by these systems. these soft-ware products are used by many of the world’s leading companies on a plant and enterprise wide basis to actively manage and analyze the ever growing amount of real-time information.
2- do you have an export activity for the company’s systems?InStep is continuing significant global expansion across Europe, Asia Pacific, the Middle east, South Africa, and other growing regions. this includes the re-
Innovative solutions for real-time performance management software from InStep Software
In an exclusive interview with Mr. Sean Gregerson, Director of Sales and Marketing at InStep Software, AWW highlights present and future activities and projects for the company in the MENA region and worldwide, as well as the company’s participation in several international events, in addition to new software launched by the company.
cent opening of a support center in Zhu-hai, China. 3- What is your analysis of the cur-rent market for these systems, es-pecially in the middle east & north Africa? Both of these areas are experiencing rapid growth and therefore the need for advanced technology to manage their growing and complex utility infrastruc-tures. InStep has had recent successes with the Al Hidd power plant in Bahrain, and eskom in South Africa.
the Al Hidd power plant is owned by a consortium of International power, Sumitomo and gDfSuez; it is a 1006 MW (gross), 937 MW (net) power gen-erating and desalination facility with a water production capacity of 90 MIg/day of water.
“InStep’s solutions provide Al Hidd with very easy access to critical, real-time data on the health of many impor-tant assets in this plant. this will save us both time and money by providing early identification of equipment fail-ures backed up with a detailed history of equipment condition. We were par-ticularly impressed with pRiSM ‘s online
equipment health monitoring capability and eDnA’s ability to maintain a high fidelity long term archive. These were natural selections for one of the most modern independent power and desali-nation plants in the Middle east,” says Bill King, Director of production, Al Hidd power plant.
eskom Holdings, one of the world’s largest utilities, has licensed InStep’s pRiSM software as the real-time condi-tion monitoring application for monitor-ing eskom’s generation assets. eskom is South Africa’s national electric utility and is one of the top 13 utilities in the world in terms of generation capacity and one of the top 9 in terms of sales.
InStep’s pRiSM software will moni-tor eskom’s critical generation assets at the Duvha power Station to provide early warning equipment failure identi-fication, performance monitoring, and problem analysis. pRiSM uses sophis-ticated data mining and pattern recogni-tion technology for real-time early iden-tification of equipment problems that can often lead to unexpected downtime or efficiency losses.
4- What were your main projects during the year 2008, and on what basis did you undertake them?InStep has performed a number of key projects in 2008. A few of these projects include:
• Implementation of our eDnA historian and pRiSM online condition monitoring software for the Al HIDD power plant in the Middle east. • Implementation of pRiSM online con-dition monitoring software for Southern Company.• Implementation of eDnA software at Southern Company (enterprise t&D).• Implementation of new fully redundant high availability historian infrastructure at Southern California edison.• Implementation of InStep’s eeM software for a large US government Agency.
www.awwmag.comعالم املياه العربي
Interviews & Profilesمقابالت وملفات الشركاتأقسام
نيسان )أبريل( 2009 / مجلد 33 - عدد 4 63
RefeR to rIn 72 on pAge 88
أجرت مجلة عالم املياه العربي مقابلة خاصة مع السيد Sean gregerson مدير املبيعات والتسويق في شركة InStep Software. وقد حتدث gregerson عن نشاطات الشركة ومشاريعها في منطقة الشرق األوسط وأفريقيا وعامليا باإلضافة إلى منتجاتها اجلديدة من برامج تشغيل إلكترونية واملؤمترات العاملية التي شاركت فيها مؤخرا. أمنت InStep برامج التحكم التابعة لها لصالح محطة السد البحرينية للطاقة ولتحلية املياه حيث القت جناحا كبيرا في مجال تأمني احلصول على معلومات ونتائج فورية ودقيقة لسير العمليات في احملطة موفرة بذلك تكاليف باهظة من ناحية التشغيل وذلك بوقت أقل
powergen Middle east و Distributech في العام 2009 حتى اآلن مبعارض InStep باملقارنة مع البرامج األخرى. شاركت.IDeA و
InStep was notably part of the exelon team that won the prestigious 2008 nuclear top Industry practice (“tIp”) award for excellence based on their use of InStep’s PRiSM software for fleet wide online condition monitoring. 5- What are your planned projects for 2009 and the years to come?InStep is currently working on many implementations of our software; these include eDf, eskom, Minnesota pow-er, Snohomish County pUD, epRI, and others.
6- What new products have youlaunched on the market?InStep has three core product suites eDnA, pRiSM, and eeM. We continue to develop these platforms to ensure that our customers are achieving con-tinued value from their investments in these products.
eDnA (enterprise Distributed network Architecture)eDnA is a software suite of products that provides for collecting, archiving, displaying and reporting a company’s real-time operational and asset health related information. the product suite includes a highly scalable enterprise data historian for efficiently archiving and providing rapid retrieval of very high fidelity time series data. A highly advanced lossless compression tech-nology is used to minimize the required storage capacity while maintaining the original collected resolution of the data. InStep supports the ability to easily inte-grate with hundreds of control, monitor-ing and other enterprise business sys-
tems that companies rely on for day to day operations. An RDBMS database is incorporated into the software suite and layered on top of the time series data-base to provide for organization and access of the data through the use of an object or meta data model. InStep’s advanced eDnA Client and eDnA Web technologies can then be used for the real-time distribution of this information to all users throughout the company en-terprise.
pRiSMpRiSM (pRocess Information Sig-nal Monitor) is a self-learning analytic software application for monitoring the real-time health of critical assets in support of Condition Based Main-tenance (CBM). PRiSM uses artificial intelligence, pattern recognition, and sophisticated data mining techniques to determine when a piece of equip-ment is performing poorly or is likely to fail. The early identification of equip-ment problems leads to reduced main-tenance costs and increased availabil-ity, reliability, production quality, and capacity.
pRiSM learns from an asset’s indi-vidual operating history and develops a series of normal operational profiles for each specific piece of equipment. pRiSM then compares the known op-erational profiles with real-time operat-ing data to detect the subtle changes in system behavior that are often the early warning signs of pending equip-ment failure. An advanced alarm man-ager and email notification provide near real-time updates of how well a plant or
system is functioning. pRiSM includes an advanced analysis application for identifying why an asset is not perform-ing as expected. the software is not specific to certain types of equipment or processes and has been used in a wide variety of equipment health and performance monitoring applications.
eeM (enterprise energy Management)eeM is an energy management suite of software products to improve en-ergy efficiency and use, tenant cost allocation/billing, vendor management and customer service. InStep’s eeM provides for the real-time collecting, archiving, displaying, reporting, and analyzing of online utility meters, plant control systems, building control sys-tems, weather information, substation devices, and other energy-related in-formation. Manually collected meter readings from utility meters that are not currently available through a direct link can also be easily imported. InStep’s eBS then provides for com-plex cost allocation and management of the energy consumption to a tenant level. this software provides the abil-ity to create a complex relationship of buildings, meters, tenants and vendors so that all utilities including electric, water, chilled water, sewer and storm, natural gas, street lighting and fuel oil are accounted for. the eeM software provides for the ability to display this highly valuable utility-related informa-tion through the web using a series of reports, trends, and displays.
7- What are the exhibitions (local or international) in which you have al-ready participated in 2009?InStep has participated in Distributech, powergen Middle east, and IDeA.
8- What does the company have in store for Arabian and foreign energy markets in the future, building on the company’s commitment to the industry.InStep will continue to aggressively ex-pand and market our software offerings globally.
Al Hidd plant
Corporate HappeningsdepArtmentsأخبار الشركات
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 464
RefeR to rIn 73 on pAge 88 RefeR to rIn 74 on pAge 88
أعلنت شركة Metito اإلماراتية، الرائدة عامليا في مجال حتلية املياه ومعاجلتها، في 23 شباط )فبراير( املاضي عن توقيع عقد مشروع متكامل مع هيئة كهرباء ومياه دبي يتضمن تصميم وبناء وزيادة طاقة محطة املياه »ج« في مجمع جبل علي للطاقة. هذا اإلتفاق سيشمل تزويد وتركيب محطات تنقية
أعلنت شركة energy Recovery، الرائدة في مجال منتجات إستعادة الطاقة املستخدمة في مجال حتلية املياه، عن تعيني السيدة Jackalyne pfannenstiel ملجلس اإلدارة في الشركة،
وذلك بعد توليها ملنصب رئيس مجلس اإلدارة في جلنة الطاقة في والية كاليفورنيا األميركية.
dubai electricity and Water Authority and metito sign Us$ 10.4 million deal
erI expands its board with a new director
metito, the international water desalination and wastewater treatment specialist, announced on february 23, 2009 that it has signed a turnkey project with Dubai electricity and Water Authority (DeWA), which will include the design, construction, and augmentation of the water at station g in the Jebel Ali power Complex. the operation will include the supply and installation of high purity water treatment plants, tanks, and electrical works.
government, developers, and the business sector will benefit from the development of the turnkey supply and installation of the mixed bed demineralization plant that will process 2 x 90 m3/hour of high purity water. the project has been pegged at US$ 10.4 million.
“the growth of Dubai is rooted in water,” said Mr. Mahmoud Kabeel, plant sales manager, Dubai, northern emirates and oman. “With this augmentation and construction, DeWA and Metito are facilitating the use of the power needed for added growth in the Jebel Ali area. Metito is honored to be awarded the contract from DeWA.”
Metito, founded in 1958, is a shining example of a Middle east-ern company that has grown to be a world leader in its field. Metito operates locally in 14 countries in the MenA region, and supplies its plants internationally to locations as far apart as Argentina and Australia from its base in the United Arab emirates. Some of the company’s recent notable achieve-ments in the UAe include wastewater treatment plants for the Dubai Investments park and palm Jumeirah, as well as differ-ent projects in Abu Dhabi for ADSSC and ADWeA.
energy recovery (erI), a global leader of ultra-high-effi-ciency energy recovery products and technology for desalina-tion, announced the newest addition to its board of directors, Jackalyne Pfannenstiel, former Chairman of the California energy Commission.
Jackalyne pfannenstiel was appointed by governor Arnold Schwarzenegger to a five-year term as Commissioner and Chairman of the California energy Commission. the energy Commission is a full-time energy regulatory and policy agen-cy. As Chair, Ms. pfannenstiel focused on climate change, energy efficiency, demand response, renewable energy and land use. She was also the presiding commissioner for the 2007 Integrated energy policy Report, which documented recommendations on executive and legislative actions gov-erning how the energy sector will meet California’s carbon reduction goals.
prior to heading the Commission, she was the Vice president of Strategic Initiatives for Pacific Gas & Electric (PG&E) and pg&e Corporation in San francisco, CA. She held various responsibilities at the utility company over a 20-year career. Ms. pfannenstiel received her BA in economics from Clark University, her MA in economics from the University of Hart-ford, and an executive MBA from Stanford University.GG Pique, eRI president and Ceo stated, “Jackie’s work and advocacy in energy efficiency at the state level is extremely valuable to us, and we’re delighted she’s joined. Bringing en-gineering sciences and energy efficiency experts to our board will help us move in the right direction to increase awareness of the crucial interdependence between water and energy, as well as the global fresh water scarcity now starting to affect California.”
energy Recovery is a leading manufacturer of energy recov-ery devices which help make desalination affordable by signif-icantly reducing energy consumption. eRI’s pX pressure ex-changer® (pX®) device is a rotary positive displacement pump that recovers energy from the high pressure reject stream of SWRO systems at up to 98% efficiency with no downtime or scheduled maintenance.
أخبار الشركاتCorporate Happenings
عالم املياه العربي
أقسام
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4 65
RefeR to rIn 75 on pAge 88 RefeR to rIn 76 on pAge 88
أكملت DHV group مسيرتها الناجحة في العام املاضي حيث كشفت الشركة عن أرباح زائدة بنسبة 60 باملئة عن العام 2007. و تكون بذلك األزمة املالية العاملية لم تؤثر على قطاع عمل الشركة بشكل كبير، وهذا في مجاالت احللول املستحدثة واملستدامة لقطاعات
البيئة والتغير املناخي، من حلول هندسية وتعهد مشاريع توسيعية ضخمة في جميع أنحاء العالم.
أمتت شركة .pump engineering, Inc صفقة إستثمار -plymouth Venture par مع الدوالرات مباليني ners في شهر كانون الثاني )يناير( 2009 لتأمني منتجات
الشركة.
2008 a good year for the dHV Group pump engineering, Inc. receives investment from plymouth Venture partners
Firmly on track despite economic crisisthe dHV Group, a worldwide supplier of consultancy and engineering services, continued to perform well in 2008. oper-ating profit showed a 60% increase, while both turnover and added value rose by 18%, despite the adverse impact of ex-change rates. the growth was 75% organ-ic. thus far, the global economic crisis has had little impact on the demand for sustain-able and innovative solutions, particularly in relation to mobility, climate change, and the environment.
Internationalization the DHV group strengthened its pro-file through a number of leading projects. these include master planning for the eco-logical coastal city of Caofeidian in China and completion of the LEED gold-certified R&D Campus for DSM in Shanghai, a prime example of sustainable building. Subsidiary NACO was awarded high-profile aviation projects in europe, the Middle east, Rus-sia, China, and Africa. SSI in South Africa is upgrading two sections of the gauteng freeway around Johannesburg, and strate-gic partner Delcan was awarded a seven year contract in a joint venture for the ex-tension of the toronto subway, as well as the independent engineering services con-tract for the Metropolitan transport Author-ity of new York. In the netherlands, DHV remains active in major national highway and rail expansions programs. the group’s profile was further strengthened by its ac-quisition of several specialist companies. South African mining consultancy turgis joined in 2008 and is showing good results. partnership with the north American avia-tion consultancy InterVIStAS means that the DHV group is now active in the avia-tion market on all continents. In europe, DHV continues to expand its activities in poland and the Czech Republic. With the acquisition of the polish company Hydro-projekt, DHV became the largest player in
pump engineering, Inc. (peI) closed a multi-million dollar equity investment deal with plymouth Venture partners (pVp), in early January 2009. peI has been in business for 23 years with over 3,000 installations worldwide. Last year, peI’s sales more than doubled and the plant and workforce increased by 25%.
peI’s success has stemmed from the anticipated need of the desalination market to move toward more efficient energy recovery systems. peI has been proactive in developing state-of-the-art pumps and hydraulic turbochargers that help meet the world’s water needs through reverse osmosis desalination. the green technology can be utilized in the traditional smaller systems, as well as larger city-scale projects that are quickly becoming the norm in the industry.
Robert Oklejas, president and Chair-man of the Board of peI commented, “We are extremely pleased with plym-outh’s decision to invest in our Com-pany. While we had other funding op-tions, we were most comfortable going with a local firm that understands what we are trying to do here in Southeast Michigan.”
(in eUR x million, unless otherwise indicated) 2008 2007 differencenet turnover 467.7 395.0 + 18%Added value 325.3 274.8 + 18%operating profit before goodwill (EBITA) 20.8 13.0 + 60%net profit 9.4 6.0 + 57%operating margin (eBItA/Added value) 6.4% 4.7%
poland’s water market. Infocus, a Dutch company specializing in construction man-agement and consultancy also joined the group in 2008.
Innovation Several projects highlighted the DHV group’s innovative strength. the com-pany successfully rolled out its patented nereda® water treatment technology in the netherlands, portugal, and South Af-rica. the concept of ‘building with nature’ was selected as one of the options to be further investigated for the sustainable renovation of the netherlands’ Afsluitdijk (Dutch Closure Dike). the Rodenrijseweg tunnel, designed by architect Marius van den Wildenberg, won the european Con-crete Award 2008. DHV was the structural engineering consultant on this prestigious project.
Corporate responsibilitythe sustainable development of our living environment is central to the DHV group’s mission. In 2008, the Group was the first engineering consultancy worldwide to have its corporate responsibility report externally reviewed per the global Report-ing Initiative (gRI) guidelines. the annual transparency benchmarking survey con-ducted by the Dutch Ministry of economic Affairs deemed the company to be the ‘most transparent service provider in its CR reporting’.
prospectsDespite the current market uncertainties, the DHV group began 2009 with a well-filled order book. The company will focus on providing high value services that meet the rapidly changing needs of its clients. Internal priorities include cost reduction, improved cashflows, further integration of new members, and ongoing critical as-sessment of its business portfolio. With these, the group expects to be able to in-crease its market share again in 2009.
Key figures
Corporate HappeningsdepArtmentsأخبار الشركات
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 466
bertrand de taisne appointed milton roy europe General manager
IA applauds passage of Water-Use Research Act
RefeR to rIn 77 on pAge 88 RefeR to rIn 78 on pAge 88
إنضم السيد Bertrand de taisne لشركة Milton Roy europe ليشغل منصب املدير العام منذ األول من شهر شباط )فبراير( املاضي. لدى الشركة 320 موظف في جميع أنحاء أوروبا وتبلغ
نسبة أرباحها السنوية أكثر من 130 مليون دوالر أميركي.
حيت رابطة الري األميركية مجلس النواب األميركي لتصديقه على قانون احملافظة على موارد املياه وإستعمالها بشكل فعال في 11 شباط )فبراير( املاضي. سيسمح القانون بإسناد 100 مليون دوالر أميركي على مدى خمسة أعوام لوضع برنامج أبحاث وتطوير في هذا املجال ضمن نشاطات وكالة حماية البيئة
األميركية.
Bertrand de Taisne has joined Milton Roy as milton roy eu-rope general Manager with effect on february 1, 2009. He reports directly to Jean-Claude Pharamond, president of Mil-ton Roy, and will be based in pont-Saint-pierre (normandy, france). In this position, Bertrand de taisne will be in charge of Milton Roy europe’s two manufacturing sites, in pont-Saint-pierre and Samoreau (france), as well as sales and services sites located in Spain, Italy, the United-Kingdom, and the UAe (Dubai). In addition to providing strategic direction, he will be responsible for planning, directing, and controlling all activities at Milton Roy europe, ensuring the organization meets its objectives.
Milton Roy, together with Sundyne and Sullair, is part of the industrial division of Hamilton Sundstrand, itself belonging to the industrial group United technologies Corporation. Milton Roy is a leader in dosing and mixing technologies. It offers a comprehensive range of dosing pumps, mixers, and custom-made units known as Milton Roy, LMI, William, Linc, Hartell, Haskel, Butech, YZ Systems, and Dosatron brands. Created in 1956, Milton Roy europe has 320 employees throughout europe and its turnover is in excess of US$ 130 million. Before joining Milton Roy, Bertrand de taisne was general Manager of Sullair europe. During his 5 years tenure, Sullair europe doubled its turnover, introduced new products, and increased its profitability dramatically. prior to joining Hamilton Sundstrand, Bertrand de taisne worked as general Manager and Sales manager in the auto-motive industry in france, poland, Switzerland, germany, and the United Kingdom. He holds an MBA (InSeAD, france) and an engineering degree in Mechanics and electricity (eSMe SUDRIA, france).
the Irrigation Association applauds the U.S. House of Repre-sentatives for recently passing the Water-Use Efficiency and Conservation Research Act. the bill was introduced by Rep. Jim Matheson (D-Utah). “Rep. Matheson’s emphasis on the importance of water ef-ficient technologies is much needed in Washington,” said IA federal Affairs Director John Farner. “We look forward to working with Rep. Matheson and the epA in highlighting the benefits of using irrigation efficient technologies and services in the landscape through this new research program.” the Water-Use Efficiency and Conservation Research Act passed on a voice vote in the U.S. House on february 11. the bill authorizes US$ 100 million over five years to create a re-search and development program on water-use efficiency and conservation within the U.S. environmental protection Agency Office of Research and Development. EPA will then incorporate the findings into buildings (at least one residential and one commercial) that highlight the latest water-use ef-ficiency and conservation technologies and designs. These buildings will be open to the public and used for educational and research purposes. IA thanks Rep. Matheson for his continuing support of epA’s WaterSense® program, as well as promoting water efficiency. IA will work with Rep. Matheson and his office to gain support for the bill in the Senate.
the Irrigation Association is the leading membership orga-nization for irrigation equipment and system manufacturers, dealers, distributors, designers, consultants, contractors, and end users. originally founded in 1949, IA includes over 2,000 corporate and technical members and is dedicated to promot-ing efficient irrigation.
Bertrand de taisne
أخبار الشركاتCorporate Happenings
عالم املياه العربي
أقسام
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4 67
mIoX expands operations with east Coast facility in suburban philadelphia
Koch
RefeR to rIn 79 on pAge 88
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In 8
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Age
88
وسعت شركة MIoX Corporation، الرائدة في مجال توليد الهيبوكلوريت في املوقع لتنقية املياه، عملياتها لتشمل الساحل الشرقي للواليات املتحدة األميركية وذلك عبر إفتتاح مرفقا لها في مدينة فيالديلفيا األميركية. ستساهم عملية التوسع أيضا بتسهيل ولوج الشركة إلى األسواق األوروبية.
تستعمل منتجات MIoX في أكثر من 30 بلدا عامليا وفي املئات من املوقع في أميركا.
mIoX Corporation, a leader in on-site generation of hy-pochlorite and mixed oxidants for water disinfection, has ex-panded operations to the east Coast, opening a suburban philadelphia facility in Lansdale, pennsylvania, USA.the strategic expansion will enable MIoX to be more re-sponsive to its growing installation base on the east Coast while also improving access to the european market. Key personnel will be based out of the philadelphia facility, includ-ing Anthony Picozzi, SVp of Sales and Robert Newton, Vp of Industrial Markets.MIoX’s clean technologies disinfect water on site, on de-mand, using just salt, water, and power. Creating disinfectant on site is cost-effective and environmentally responsible, cut-ting back transportation requirements, reducing carbon emis-sions and fuel consumption, and eliminating the storage and disposal of chemical containers.“We are excited to establish our first office outside of corpo-rate headquarters in Albuquerque, new Mexico,” said Car-los Perea, president and Ceo of MIoX. “environmental and safety concerns continue to drive growth in the on-site disin-fection market. Users are also finding that on site solutions can dramatically reduce operational expenses and improve process quality. The new office will enable us to better serve our growing customer base and provide a platform to increase our sales, marketing, and customer service capabilities. MIoX Corporation is focused on solving one of the world’s most pressing issues: The need for affordable, safe, and healthy water. MIoX’s patented water disinfection technol-ogy replaces the need to purchase, transport, and store dan-gerous chemicals. MIoX is used in over 30 countries and in hundreds of communities across the U.S. for public drinking water systems, water reuse projects, and a variety of com-mercial and industrial applications.
Corporate HappeningsdepArtmentsأخبار الشركات
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 468
KemA has been commissioned by the Dutch utilities DeLtA, eneco, essent, nuon, and the general energy Council to launch a study into the need and ne-cessity of large-scale energy storage. the share generated by renewable en-ergy sources in europe is expected to increase substantially over the next ten to twenty years in response to the eU’s sustainability and Co2 emission reduc-tion goals. However, the supply intermit-tency and concentration that character-izes wind generation in particular can at times lead to a regional supply surplus. A solution must be found for dealing with these supply peaks and fluctuations. Large-scale energy storage may be the answer. the need for greater clarity on this issue has also been expressed in the Dutch parliament on several occa-sions over the past year. the study will be conducted from a european per-spective, and is due for completion in June of this year.
masdar, founder of the highly suc-cessful World future energy Summit (WfeS), joined with turret Middle east, the 2009 WfeS conference organizer to announce the launch of the europe-an future energy forum to take place in Bilbao, Spain from June 9 to 11.
Masdar, a wholly owned subsidiary of Mubadala Development Company (Mubadala), established the World fu-ture energy Summit as part of its mis-sion to develop a global platform for collaboration in renewable energy and sustainability. the european future energy forum (efef) will expand this platform to provide direct linkages to a leading region in future energy technol-ogies and solutions. “the efef was created based on the
RefeR to rIn 81 on pAge 88
RefeR to rIn 82 on pAge 88
أوكلت شركة KeMA من قبل عدد من املرافق والشركات الهولندية ومجلس الطاقة العام بإطالق دراسة حول احلاجة إلى وضرورة إمتام تخزين واسع النطاق للطاقة. ويأتي هذا املشروع نظرا لتوقع تزايد نسبة الطاقة املتجددة املنتجة في أوروبا على مدى السنوات الـ 20 املقبلة ملالقاة أهداف تخفيض نسبة اإلصدارات وغازات ثاني أكسيد الكربون في اإلحتاد األوروبي.
تتعاون Masdar مع شركة turret Middle east إلعالن إنطالق منتدى european future energy forum الذي سيقام في مدينة بيلباو اإلسبانية من 9 إلى 11 حزيران )يونيو( املقبل وذلك بناء على جناح مؤمتر World future energy Summit للعام 2009.
KemA launches study of large-scale energy storage in european context
masdar to bring successful WFes experience to the world through the european Future energy Forum
Any individual country can accommo-date a surplus by temporarily exporting more electricity. However, it is question-able whether increased electricity export or import can adequately compensate for simultaneous oversupply from wind farms across the entire continent.
Large-scale energy storage may be the solution for dealing with such surpluses more efficiently, so that wind energy can be utilized to the full. Moreover, large-scale energy storage provides options to tackle instability in the grid, and it can play a role in generation load-balancing and solving network control issues.
In this study, KeMA will execute a re-alistic simulation, based on its own eu-ropean market model that covers much of the european electricity grid. the model incorporates various scenarios related to developments in wind energy and fossil fuel prices, as well as future developments in power generation and network interconnection.
direction of Abu Dhabi’s visionary lead-ers, who have stressed the importance of transferring Masdar’s pioneering World future energy Summit experi-ence to the world. europe and Bilbao in Spain in particular, have a good re-cord in the renewable energy domain and will be the starting point for us to expand our platform to exchange ideas and experiences with the global renew-able energy sector,” said Masdar Ceo, Dr. Sultan Al Jaber.
“the support of government leaders and energy experts at WfeS 2009, which was attended by more than 18,000 visitors from 70 countries, was another critical element in encouraging us to take our experience to the interna-tional arena.
“given the current economic situation, we believe this is the time to be compet-itive, creative and innovative. our goal is to drive the development of clean energy sources that are instrumental in advancing renewable energy. By bring-ing the european future energy forum to europe, we are looking to create op-portunities and partnerships in renew-able energy that will be a stimulus for economic growth for the region, and beyond,” added Al Jaber.“furthermore, through these open plat-forms for collaboration Abu Dhabi aims to continue its leadership in the energy sector, and share its knowledge with others,” added Al Jaber.
Wind energy at sea
Dr. Sultan Al Jaber
منتجات وخدماتproducts & Services
عالم املياه العربي
أقسام
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4 69
An expanded line of FCI Profile full metal sprinkler nozzles is now available from Underhill International to help golf superintendents improve irrigation distribution uniformity and curtail over-watering.In testing at the Center for Irrigation technology (California State University, Fresno), FCI Profile nozzles were shown to reduce water usage on golf courses by as much as 20 per-cent per year, while eliminating donuts, patchy dry spots, and saturated greens. they have also been used successfully to prevent wind drift.
featuring solid brass sprinkler nozzles and stainless steel outlets, FCI Profile nozzles do not erode and ensure more consistent coverage than factory-installed plastic nozzles, which can deteriorate over time.the Underhill FCI Profile nozzles are designed to retrofit plastic nozzles on popular golf rotors, including Rain Bird and toro heads. the nozzles can replace Rain Bird golf nozzles with 1 ¼” and 1 ½” inlets, including eagle Series 700 and 900. The nozzles also retrofit Toro golf nozzles with 1” and 1 ½” inlets, including toro Series 670, 690, 730, 750, 760, 780, and 830.Replacement sets include nozzles for full-circle, mid-range, and close-in coverage.
Underhill is the leading innovator in golf, sport field and other large turf watering products, with over 28 years of know-how, brings a new standard of products that work smart. All Under-hill products are manufactured with the highest quality materi-als and will save you time and money. guaranteed Satisfac-tion isn’t just a slogan, it’s the Underhill legacy!
Avista technologies launched a fully revised and extended chemical calculation program, Avista Advisor 3, that allows calculation of all the product lines that Avista offers giving the designer a full Ro plant chemical consumption picture in one package. the latest version of Avista Advisor represents an industry first – the first RO chemical calculation program that includes all the formulated chemicals. Avista Advisor 3 includes:• Antiscalant calculation using either raw water or brine analyses• Design capability for biocides, coagulants and cleaning chemicals• Design capability for dechlorination and if desired pH modi-fication• Chemical dosing equipment sizing calculations• Chemical consumption calculations along with cost calcula-tions
free software demonstrations will be available at upcoming trade shows or demonstrations can be provided at client of-fices. Copies of the software and a user guide are available for download.
Leading brassware manufacturer deva has launched a smart new product, enviro-Klick, to complement the company’s extensive portfolio of water efficient taps and showers.enviro-Klick’s reduced flow option cuts water use of some standard taps by 80%, resulting in the greatest savings of all similar technology currently available. the car-tridge has three settings - off, reduced flow, and full flow - and produces a smooth and precise, yet very subtle resistance to a change in mode when altered from reduced to full flow.on full flow, Enviro-Klick delivers 4% less water than a stan-dard tap cartridge and 80% less on reduced flow, dramatically cutting water and energy use, resulting in great savings for consumers.
enviro-Klick is currently available in three Deva ranges: Ex-cel and Revelle from the Contemporary Collection, and eider from the everyday Collection. All are available for less than US$ 140 excluding VAt and boast a comprehensive 12-year guarantee including 2 years on parts and labor and a 10-year parts only warranty.
FCI profile metal nozzles ensure distribution uniformity and reduce water use on golf courses
Avista technologies releases a new ro chemical projection program
deva’s enviro-Klick offers the greatest savings
RefeR to rIn 83 on pAge 88 RefeR to rIn 85 on pAge 88
RefeR to rIn 84 on pAge 88
fCI profile رش فوهات من موسعة سلسلة Underhill International شركة تقدم املعدنية ملساعدة املشرفني على ميادين رياضة الغولف في حتسني توزيع الري على هذه امليادين بشكل
متواز ومن دون التسبب بري زائد عن اللزوم.
عن أقل تدفق خيارات ذات وهي اجلديدة، enviro-Klick حنفية Deva شركة أطلقت سابقاتها مما يوفر إستعمال املياه بنسبة 80 باملئة باإلضافة إلى توفير إستعمال الطاقة وبالتالي توفير
الكلفة على املستخدم.
أطلقت شركة Avista technologies برنامج شامل للحسابات الكيميائية بعنوانAdvisor 3 يحتوي على برنامج خاص للحسابات الكيميائية لعمليات التناضح العكسي.
products & servicesdepArtmentsمنتجات وخدمات
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 470
trojan technologies has once again been rated number one in the category of “outstanding Water Disinfection equip-ment Brand” in the annual independent Outstanding Equip-ment Survey conducted by China Water Net, the most influ-ential online resource for China’s water industry.Based on a sample of more than 220 water treatment equip-ment customers, manufacturers or brands were listed in order of number of votes received and evaluated in the categories of: 1) most recognized brand that a customer knows; 2) most used brand by a customer; 3) customer satisfaction on the quality of the equipment; 4) customer satisfaction on after sales service; and, 5) good value for price. of the 21 mea-suring indexes for the survey, trojan scored in the top three spots for each category. “Receiving this recognition for the second year in a row is a reflection of our talented and focused group in China. The trojan team has worked diligently to bring reliable and cost-effective UV-based disinfection solutions to our global com-munity,” says Marvin DeVries, trojan president. “We are hon-ored to have received this prestigious recognition.”
trojan technologies is a wholly-owned subsidiary of Danaher Corporation of Washington, D.C. trojan designs, manufac-tures, and sells UV systems for municipal wastewater and drinking water facilities, as well as for the residential market. the company also designs and installs treatment technology for the environmental contaminant and micropollutant de-struction market and partners with Aquafine Corporation of Valencia, California to provide UV solutions to the Industrial and Commercial markets. With over 5,600 municipal facilities in more than 80 countries using its technology, trojan has the largest installed base of UV systems in the world. Head-quartered in London, ontario, Canada, the company also has offices in the U.K., China, Germany, the Netherlands, France, Spain, and the U.S.
After years of planning, de-sign, testing, and develop-ment, nelson is pleased to announce the release of the R33 Rotator. nozzle sizes 9/64”, 5/32”, 11/64” and 3/16” are now available.
the R33 Rotator is an in-novation that saves money, saves time, and performs better than the 3/4” brass im-pact sprinklers it’s designed to replace. Created as an upgrade to replace the nel-son f33 brass sprinkler, the R33 uses nelson’s proven Rotator technology to pro-vide longer throw distance, fight the wind and deliver uniform coverage.
With new advancements in speed control, its break-through design allows the sprinkler to move from slow mode back to a fast mode throughout its rotation. By reducing the speed of rotation intermittently, the R33 produces a wind-fighting pat-tern with maximum throw distance. the fast mode also as-sists in filling out the water pattern for greater uniformity.
While brass sprinklers are prone to damage, clogging and theft, the R33 is easy to clean, easy to repair, and costs less. the R33 is suitable for permanent-set, portable-pipe and wheel-line applications for all type of crops, including forage crops, vegetables, grain, and pastures, as well as tree and vine crops.
You will find in the R33 the same tradition of quality, reliability and long wear life as you came to expect in the f33.
this announcement marks a significant milestone in the de-velopment of the Rotator® line of products.
nelson Irrigation Corporation is headquartered in Walla Walla, Washington, USA. the company plans, designs, de-velops, manufactures, and sells proprietary products for the agricultural irrigation equipment market. nelson is focused on doing things that improve the state of the art of agricultural irrigation – saving water, saving energy, and doing a better job of irrigating.
trojanUV rated China’s top disinfection equipment again
nelson Irrigation Corporation announces the release of the new r33 rotator®
RefeR to rIn 86 on pAge 88 RefeR to rIn 87 on pAge 88
فازت trojan technologies باملرتبة األولى للسنة الثانية على التوالي في فئة أفضل مصنع ملعدات تنقية املياه في إستطالع الرأي الذي جتريه China Water net وهي املرجع األكثر تأثيرا على اإلنترنت في قطاع املياه في الصني. وإرتكز اإلستطالع على 220 عينة من زبائن هذه
املعدات في البالد.
أطلقت شركة nelson Irrigation مرش R33 Rotator الدوار اجلديد بعد عدة سنوات من التخطيط والتصميم واإلختبار والتطوير. يساهم املنتج اجلديد بتوفير الكلفة والوقت على املستخدم كما
يفوق أداؤه املرشات النحاسية التي صمم R33 إلستبدالها وهي مرشات f33القدمية.
مشاريع وتطويراتprojects & Developments
عالم املياه العربي
أقسام
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4 71
bAHrAIn
manama opts for low-risk sell-off
Bahrain is taking no chances with its wastewater privatization. With water-loss levels unacceptably high and the quality of treated water so poor that the agricul-tural sector refuses to use it for irrigation, it is clear the state-run utilities should be replaced.the entry of the private sector will bring much-needed investment, technology, and experience to improve standards.there will be no shortage of interest from international developers. Because the Muharraq sewage treatment plant is the first part of the privatization plan, the gov-ernment has opted for a low-risk approach by guaranteeing the supply of effluent and the offtake of treated water.this relieves the developer of much of the risk and ensures a steady stream of in-come, but it is not necessarily the most efficient system for the state in the long run.In time, Manama will hope to invite com-panies to take control of the wastewa-ter collection and distribution networks, thereby passing on market risk to the pri-vate sector.the hope will also be that as efficiencies and services improve, domestic and in-dustrial users will be more willing to pay more for their wastewater treatment.Water privatization in the region is gain-ing traction, with Saudi Arabia and Abu Dhabi already bringing in the private sec-tor. If they can make the schemes work, more of the region will surely follow and perhaps take more risks earlier on.
QAtAr
QIb closes Us$ 250 million financ-ing arrangement for ras lafan power & Water project
Qatar Islamic Bank (QIB) announced that it has successfully closed an arrangement for an Islamic financing for a part of the Ras Lafan power & Water project (C) that would be performed by Ras Qirtas power Company at a cost of US$ 250 million.the project, a six multi-effect distillation desalination units, shall be executed on Boot basis (Built-own-operate-trans-fer). With a total cost of over US$ 3 billion, the project, expected to be completed by 2011, aims at enhancing the power pro-
duction rates and ensure the provision of water and power to face the country’s increasing demand on power. In ad-dition to approximately 6.3 MIgD [Mil-lion Imperial gallon (of water) per Day], the project will generate around 2,730 Mega Watt of electricity, thus cover-ing 30% approx. of the country needs. It is worth noting that Qatar Islamic Bank and Islamic Development Bank will be the mandated Lead Arranger and Un-derwriter, whereas its Main sponsor/shareholder will be: Qatar Petroleum, QeWC, Suez energy International, Mitsui. In a comment made on this occasion, Mr. Salah Al Jaidah, Chief Executive Officer of Qatar Islamic Bank, said: ‘The success of QIB in closing the arrangement of this fi-nancing confirms our capacity to takes the responsibility of providing the adequate Islamic financing for the vital development projects in Qatar.’He added, ‘Further, in its five-year plan that started in 2008, QIB will endeavor to consolidate its role in financing the State’s macro-projects and enter with its part-ners, whether its QIB-offshore financing houses or Islamic financial institutions worldwide, in joint ventures to attract such investments to Qatar, guided by our duty as a national economy-oriented bank.’ from its part, the gM of the bank’s In-vestment & Development group, Jean-Mark Riegel stated: ‘The success of QIB in arranging this financing in cooperation with the Islamic Development Bank has gained confidence of large national estab-lishments.’ He added, ‘this success is a continuation of previous successful financing arrange-ments for huge establishments like the Qatari Water & electricity company, Qatar Airways, the United Development Co., Al Salam Bounian Co. and others’.
UAe
Complete overhaul for Abu dhabi sewer network
the Abu Dhabi Sewerage Services Com-pany (ADSSC) is inviting selected con-tractors to prequalify for the US$ 545 mil-lion deep-tunnel sewer as part of its plans to overhaul the sewerage network in the emirate.the tunnel will run for 42 kilometers from the existing pumping station on Abu Dha-bi island to the Mafraq wastewater plant, before heading towards the Al-Wathba
wastewater treatment plant. the tunnel is being tendered as three design-and-build contracts. one will be for a four-meter diameter 16.2km-long tunnel from Abu Dhabi island onto the mainland. Another will be for a 15.6km tunnel with a diam-eter of 5 meters from the Musafah area to Mafraq.the third involves the construction of a 10km tunnel with a diameter of 5.5 me-ters, between Mafraq and Al-Wathba.each contract requires the design and construction of the main tunnel, access shafts and short connecting tunnels. It also covers any additional work such as data acquisition, liaising with other agen-cies, seeking statutory approvals and re-locating services and equipment.the tunnel is a major component of Abu Dhabi’s US$ 1.08 billion Strategic tunnel enhancement programme (Step), former-ly the Strategic Investment programme.the project also includes developing one or two pumping stations along deep-tunnel sewer routes, a series of smaller sewers connecting existing sewerage systems to the deep-tunnel sewer, and the removal of existing pumping stations.the gravity tunnel and the sewers feeding into it will enable ADSSC to eventually de-commission several existing pumping sta-tions, thereby reducing its operating and maintenance costs.US-based CH2M Hill is the program man-ager for Step and the entire program is expected to take six years to complete.Sewerage is a growing concern in the capital as the development of major real estate projects will dramatically increase the population on Abu Dhabi island and the surrounding areas.the Urban planning Council expects the population to exceed 3 million by 2030, as residents move into island projects such as Reem, Saadiyat, Yas, and other devel-opments on Abu Dhabi island itself.Several other sewerage schemes are un-derway in the emirate. two consortiums have been awarded 25-year concessions to build, own, operate, and transfer sew-age treatment plants at Al-Wathba, serv-ing Abu Dhabi, and at Al-Saad, serving Al-Ain.one contract was awarded to a consor-tium of the UK’s Biwater group, Kuwait’s Mohamed Abdulmohsin Kharafi & Sons, and the local Al-Qudra Holding.the other was awarded to the french/Bel-gian joint venture of Veolia and Besix.Both groups will build two plants, one at each location. the plants for Abu Dhabi will have a capacity of 300,000 cubic me-ters a day, and the plants for Al-Ain will be able to treat 65,000 cubic meters a day.
e-newsdepArtmentsأخبار إلكترونية
ArAb WAter World (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 472
the Abu Dhabi Urban planning Council (UpC), the agency responsible for the future of Abu Dhabi’s urban environ-ments, has launched the new website version of Estidama – sustainability in Arabic – an initiative that groups togeth-er communities, organizations, busi-nesses, and policy-makers to further encourage responsible decision making to bring Abu Dhabi and the region to-wards global sustainability leadership.“engaging and educating the communi-ty is one of UpC’s main objectives and the new estidama website design and functionality reflect our desire to pro-mote an ongoing, constructive dialogue and foster exchange of ideas and inno-vations for sustainable practices among our various constituencies in Abu Dhabi and beyond,” said Falah Mohammed Al Ahbabi, general Manager, Abu Dhabi Urban planning Council.
Itron Inc. recently announced its completion of another successful round of scalability and performance benchmark testing for its Itron enterprise edition (Iee) Meter Data Management (MDM) product. The tests confirm the software's ability to support advanced metering system (AMI) installations of more than 9.6 million hourly meters, representing the largest-scale independent testing in the meter data management industry to date.
Itron, working with Agilysys, Arrow enterprise Computing Solutions, Hp, and Infosys executed the latest high-volume Iee MDM benchmark on oracle® Database enterprise edition. It confirmed that IEE MDM not only meets the current needs of the largest
RefeR to rIn 88 on pAge 88
RefeR to rIn 89 on pAge 88
أطلق مجلس أبو ظبي للتخطيط العمراني، الهيئة املسؤولة عن مستقبل البيئات العمرانية في أبو ظبي، موقعا إلكترونيا تفاعليا لـ estidama بعد حتديثه بالكامل، وذلك لنشر املعرفة الالزمة لتحقيق اإلستدامة املنشودة وتفعيل احلوار مع كافة املعنيني من مجتمعات ومنظمات وأعمال وصانعي القرار، والتشجيع على إتخاذ القرار مبسؤولية وتأهيل أبو ظبي واملنطقة لتكون رائدة في حتقيق أعلى مستويات اإلستدامة على
صعيد العالم.
أعلنت شركة Itron Inc مؤخرا عن إمتامها لدورة ناجحة أخرى من إختبارات أداء لبرنامج MDM اإللكتروني إلدارة املعلومات الناجتة عن عدادات املياه، وهي عملية اإلختبار األكبر من نوعها في هذا املجال حتى اآلن.
new estidama online resource to foster sustainability knowledge and dialogue
Itron completes another round of high-scale benchmark testing for Itron enterprise edition Meter Data Management
the state-of-the-art online portal in-cludes a number of interactive tools that allow users home page customization according to their bespoke needs and specialized interests on sustainability issues. It also functions as a forum to exchange views, comments and ideas and empowers users to delve deep into the latest trends of sustainability directly from specialist estidama experts. plan Abu Dhabi is designed to help Abu Dhabi filter and respond to current and future development needs and es-tablishing sustainability as the driving force of our urban planning culture. to promote the related strong guiding prin-ciples, UpC is developing tailored com-munication tools and the new estidama website is part of them.Salem Al Qassimi, Associate planner, estidama said that visitors to www.esti-dama.org can learn details of the newly launched estidama Integrative Design process (eIDp) which focuses on the ‘how’ of sustainability rather than simply the ‘what’.
utility companies, but can scale as Itron customers deploy increasingly sophisticated large-scale AMI solutions.
Results also show that Iee on oracle needs less than three hours to validate, auto-estimate, and import 4.8 million half-hourly meters, each having one register and one interval channel—a volume equivalent to hourly data for 9.6 million meters. the test included calculating estimations for 0.5 percent to 10 percent of the meters.the testing took into account the full range of data processing requirements for large-scale AMI deployments,
including interval meter data import, data validation, estimation and storage, as well as the daily demand for time-of-use (toU) calculations and billing exports (500,000/day, assuming 20 cycle days per month). Using Iee MDM high-volume AMI import and export services, Itron achieved the level of performance and scalability required to exceed the demands of full-scale AMI deployments.«We believe that benchmarking is a reflection of the commitment a company makes in itself, its products and its customers,» said Julie Hance, vice president of Itron software solutions. «Benchmarking to this scale year after year, release after release, requires a significant investment, but the investment is more than worthwhile. our highest-ever volume has been achieved in this recent benchmark—all to the ultimate benefit of our 40+ customers and the 26 million meters that utilize our MDM system.»
عرض مسبق ملعارض ومؤمتراتمعارض ومؤمتراتEvent Preview
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 73
Presentations at the MCERTS 2009 Conference (April 29 and 30, at the Bretby Conference Centre near Burton on Trent) will focus on issues relating to the testing and monitoring of air quality in stack emissions, with particular emphasis on how Operator Self Monitoring (OSM) and MCERTS fit into the Environment Agency’s ‘Better Regulation’ agenda.
High profile speakers from the Environment Agency, NPL, UKAS and AEAT will speak on subjects including emissions trading, the Environment Agency’s Modern Regulation pro-
MCERTS 2009 to focus on operator self-monitoring
Sewerage & Drainage Pipe 2009
ستركز الدراسات التي سوف تعرض من ضمن مؤمتر MCERTS 2009 على شؤون إختبار ومراقبة نوعية الهواء ومدى تأثير اإلصدارات امللوثة عليها. سيقام املعرض في 29 و 30 نيسان )أبريل( احلالي في بريطانيا، وسيحتوي أيضا على معرض ملنتجات الشركات العاملية الرائدة في مجال معدات املراقبة وخدماتها.
تقيم AMI مؤمتر Sewerage & Drainage Pipe 2009 الدولي من 15 إلى 17 حزيران )يونيو( املقبل في مدينة كولونيا األملانية. سيجمع املؤمتر أفضل اخلبراء العامليني في مجالي الهندسة املدنية وصناعة األنابيب ملناقشة آخر التطورات في مجال إعادة تأهيل أنظمة األنابيب.
REfER To RIN 90 ON PAgE 88
REfER To RIN 91 ON PAgE 88
AMI’s international conference on Sewerage & Drainage Pipe 2009 brings together top experts from the civil engineer-ing and pipe industries to discuss the latest developments in new build and rehabilitation of pipe systems. The conference will take place from June 15 to 17, 2009 at the Maritim Hotel in Cologne, germany and kicks off with a market study from Noru Tsalic of Applied Market Information.There is extensive construction work being undertaken across the world as funds from the development agencies are being channeled towards restoring ageing sewer networks and in-
gram and its impact on monitoring, the role of MCERTS in delivering the program and how, in 2010, EN14181 - Quality Assurance for an automated monitoring system, will operate under UKAS accreditation.
from April 2008 the PPC and Waste Management Regula-tions were consolidated into the Environmental Permitting Regulations (EPR) and oSM is a key feature of the new regime. Monitoring standards are specified within MCERTS and operator performance is now measured under the oPRA (operational Risk Appraisal) and oMA (operator Monitor-ing Assessment) schemes. John Tipping, who manages the MCERTS scheme, will speak at the MCERTS 2009 Confer-ence and provide an update on the progress being made by these initiatives.
MCERTS 2009 will run over two days and adopt a similar format to previous events with an exhibition featuring almost all of the world’s leading suppliers of monitoring equipment and services. The MCERTS Conference will provide the lat-est guidance on issues relating to legislation and monitoring standards, and a wide range of workshops will deliver practi-cal help and advice on issues relating to the monitoring of emissions to air.
stalling up-to-date systems. A variety of techniques and ma-terials are being utilized including new pipe systems, trench-less pipe laying, and relining of decaying pipes. Professor Madryas of Wroclaw University in Poland has studied the use of plastic pipes in sewage systems in the region. Dr-Ing Heinz Doll of LgA Bautechnik has looked at rehabilitation in sew-age systems using close-fit pipes with a surrounding layer of mortar. Brandenburger Liner has been involved in rehabilita-tion of an ovoid pipeline using light-curing lining systems. The cost-effectiveness and durability are under debate, as civil engineers work to find the best solution for each situation. STfA Marine Construction in Turkey has just succeeded in repairing marine outfall pipes in the Kucukcekmece project.This year there have been particular advances in polypropyl-ene materials for this sector, with new materials from Borealis Polyolefine, LyondellBasell, and Ineos Olefins and Polymers Europe.This conference brings together experts in plastic pipes from practical experience in durability and installation to new ma-terial development. Sewerage & Drainage Pipe 2009 offers excellent international networking opportunities for the indus-try, from civil engineers to pipe producers and suppliers. Re-search will be presented on the latest market trends, case studies, and technical issues.
ARAb WATER WoRlD (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 4
Event ReviewEvENTSمعارض ومؤمترات سابقة
74
Sharing of visions makes second Aquaterra a resounding success
أقيمت الدورة الثانية ملؤمتر Aquaterra 2009 من 10 إلى 12 شباط )فبراير( املاضي في العاصمة الهولندية أمستردام. يتناول املؤمتر عدة مواضيع تتعلق بتطوير وإعادة تأهيل املناطق الساحلية ومناطق الدلتا عامليا. أم املؤمتر أكثر من 600 خبير عاملي في هذا املجال من جميع أنحاء العالم. تواجه مناطق الدلتا في العالم، والتي تعتبر األساس في قطاع إنتاج املأكوالت عامليا، حتديات متزايدة من التمدين وتطور قطاعات البنى التحتية والزراعة، وذلك مع توقع متركز 80 باملئة من سكان العالم في هذه املناطق في املستقبل القريب. كما تتفاقم هذه املشكلة مع إرتفاع مستوى
مياه البحر ومشاكل إدارة مياه األمطار التي يسببها اإلحتباس احلراري، وكان هذا املوضوع معرض بحث بني احلاضرين.REfER To RIN 92 ON PAgE 88
Aquaterra 2009 was the second edition of the world forum on the development of delta and coastal areas and took place from february 10 to 12 in Amsterdam RAI. The three-day Aquaterra 2009 attracted over 600 top experts from around the world. They discussed in depth how best to ensure a sus-tainable future for the world’s largest deltas, many of which are the economic powerhouses and food baskets of nations. The Aquaterra conference delegates issued a joint closing statement that became a key topic of discussion at the fifth World Water Forum in Istanbul in March.
Major river deltas and estuaries face ever greater challenges from urbanization, infrastructure and agriculture development, with over 80% of the world’s population expected to be living and working in these regions in the near future. The sea level rises and storm water problems associated with global warm-ing will aggravate matters further, and were a clear source of concern among experts at Aquaterra 2009.
vulnerability of deltasGaele Rodenhuis, Chairman of the event: “It became clear at Aquaterra that deltas are characterized by their exception-ally dynamic nature – the place where the fresh water of riv-ers meets the salt water of sea, the low and high tides, the continuously moving shorelines and sedimentation. Rich clay ground, excellent fishing grounds and strategic locations for transport have turned deltas such as the Nile, Yellow River,
and Rhine into the heart of their respective nation’s econo-my and agriculture.” He adds that the delegates concluded: “Unbridled coastal urbanization, reclamation, and port devel-opment threaten natural dynamics and are leading to major problems such as floods, erosion, polluted estuaries and a scarcity of fresh water supply for drinking water and agricul-ture.” While various smart new solutions were presented at Aqua-terra, the conference attendees noted the scarce attention being paid worldwide by governments to deltas. This is re-sulting in inefficient spatial planning and, consequently, an unnecessary loss of nature, drought, fresh water problems, and increasing flood risks. Rodenhuis: “The conference par-ticipants agreed that politicians need to be made far more aware of the issue of delta vulnerability than is currently the case and stressed the necessity for greater governmental in-volvement.”
Countering risks and reducing damagesWith the likely effects of climate change still to come and the foreseen growth of coastal cities, the strain on the dynamic natural system will sharply increase. Solutions are available within the parameters of the natural system itself. Examples include restoring some of the natural sedimentation of the Mississippi river, preserving mangrove forests along the coast of Bangladesh, and reclaiming land along the Dutch coast by semi-natural beach nourishment. New civil engineering solu-tions were also discussed at Aquaterra, such as Tokyo’s su-per levees and the dredging of the inner city waters in Jakarta to reduce floods from the Cilliwung River.
Need for changeThe jointly compiled closing statement warned of the mas-sive challenges facing deltas over the next 50 years. More comprehensive assessments of dynamic natural systems are required in order to establish the best measures for climate adaptation. The ad hoc studies that often form the basis for coastal engineering projects need to be replaced by integrat-ed research and real-time monitoring of the entire system. This will allow for a better understanding of how assumed developments such as sea level rises and subsidence are taking place in practice.
The experts in Amsterdam stressed that ‘building with nature’ and using natural processes present promising new ways of coastal engineering. This view is incorporated in the final statement via the slogan: Nature where possible and technol-ogy when required.The next Aquaterra conference will take place in Amsterdam in 2011.
www.aquaterraforum.com
Mrs. Nighof - Director general of the Dutch Ministry of Transport
معارض ومؤمترات سابقةEvent Review
عالم املياه العربي
معارض ومؤمترات
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4 75
The Center of Excellence in Water Resources Engineering, Lahore, Pakistan in cooperation with the Islamic Develop-ment Bank organized a five-day international training work-shop on the “Design and Evaluation of Pressurized Irrigation Systems” for professionals working in the irrigated agriculture sector in the Muslim world from March 3 to 7, 2009.These systems are ideally studied for light and frequent ir-rigations. Major benefits of the pressurized irrigation systems are high efficiency and increased crop yield. The high initial cost of the system is off-set by increased yield and by in-creasing irrigated land with the same amount of water supply. The main focus of the workshop was to create close and long term liaisons among institutions of Islamic countries and to provide a forum to discuss the issues related to pressurized irrigation. Seventeen participants from nine Islamic Countries including: Bangladesh, Iran, Jordan, Malaysia, oman, Saudi Arabia, Sudan, Syria, and the UAE, and more than thirty from Paki-stan participated in the workshop. The workshop was inaugu-rated by Prof. Dr. Muhammad Ashraf, Dean of the faculty of Civil Engineering. During his inaugural speech, Prof. Ashraf highlighted the importance of pressurized irrigation and ad-vised the participants to take active part in the deliberations of the workshop.Experts working in different aspects on pressurized irrigation made presentations during the workshop. The participants also shared their experiences by active discussions during
International training workshop on “Design and Evaluation of Pressurized Irrigation Systems”
ended successfully in lahore
نظم مركز التفوق لهندسة موارد املياه في الهور في باكستان بالتعاون مع البنك اإلسالمي للتنمية ورشة عمل تدريبية دولية ملدة خمسة أيام تتناول موضوع تصميم وتقييم أنظمة الري املضغوطة، وذلك من 3 إلى 7 آذار )مارس( املاضي. وجهت ورشة العمل إلى اخلبراء العاملني في قطاع الزراعة املروية في العالم اإلسالمي. شارك في ورشة العمل 17 خبير من 9 دول إسالمية هي بنغالدش وإيران واألردن وماليزيا وسلطنة عمان واململكة العربية السعودية والسودان وسوريا ودولة اإلمارات العربية املتحدة، باإلضافة إلى أكثر من 30 خبيرا باكستانيا. إفتتح ورشة العمل
الدكور محمد أشرف عميد كلية الهندسة املدنية في الهور.REfER To RIN 93 ON PAgE 88
the workshop. Some of the participants made short presenta-tions of state-of-the-art systems used in pressurized irrigation in their countries. on the last day of the workshop, certificates were distributed among the successful participants in the concluding session of the workshop. The Chief guest of the Concluding Cere-mony was Lt. general (Rtd) Muhammad Akram Khan, Vice Chancellor of the University of Engineering and Technology, Lahore. In his remarks, the chief guest urged the participants of the workshop to side by each other for help with the latest technologies like sprinkler and drip irrigation techniques. He also stated in his address that the common perception that future wars would be over water is not true since in reality such issues have already emerged in Muslim countries such as Jordan. Such unfortunate events are likely to be more in-tense in the future. He further remarks that a lot of potential exists in Muslim countries to handle the water scarcity issues in the coming years by adopting new technologies that best suit the conditions in these countries.
Earlier at the start of the ceremony, the representative from the Islamic Development Bank, Dr. Muhammad Akhtar Bhatti briefly described the programs being offered by the IDB for the Muslim World to uplift the technological advancement there. Dr Bhatti in his address also highlighted the impor-tance of water and the adaptation of pressurized irrigation techniques and stressed that this activity should be repeated by the Center to enhance capacity of more participants from Muslim countries again in the near future. At the end of the ceremony, Prof. Dr. Muhammad Latif, Di-rector of the Center of Excellence in Water Resources Engi-neering thanked the participants and their organizations for delegating their employees to update their knowledge on a subject of vital importance for arid countries. Prof. Latif espe-cially appreciated the efforts of Dr. Sajid Mahmood (Azeemi) –Secretary Training Workshop, and also other employees of the Center who helped in organizing and conducting the event successfully. He also thanked IDB for financing this event for foreign delegates of the workshop.
SERVICES Industry Contactsمرجع الصناعات املائية
ARAb WAtER WoRld (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 476
Section one: International and regional manufacturers and suppliers of Desalination equipment.Section two: Contact details of agents and distributors as well as companies active in the Pipes & Valves manufacture sector in the Middle East and North Africa, listed by country.
Section oneAqua EPC l.l.C.P.O. Box 341078, Dubai Silicon Oasis, Dubai, U.A.E.tel: +971 4 3724242Fax: +971 4 3724252E-mail: [email protected]: www.aqua-eng.aeContact Person: Mrs. Karin Buerger - Marketing ManagerE-mail: [email protected] EPC L.L.C. - design, manufacture, delivery, installation, and commissioning of seawater desalination and wastewater treatment plants, demineralization and condensate polishing plants. AqualyngAkjøra, Vanvikan 7125, Norwaytel: +47 7 4855500Fax: +47 7 4855509E-mail: [email protected]: www.aqualyng.comContact Person: Mr. Nick Powell - President Aqualyng Water SolutionsE-mail: [email protected] is a global leader in the supply and operation of specialized Desalination Plants. Our spectrum of successful, state-of-the-art products and services deliver fresh water - whenever and wherever it is needed.Agents and distributors: Aqualyng Capital Management Ltd. - UAE
degrémont – France183, Avenue Du 18 Juin 1940, Rueil Malmaison 92500, Francetel: +33 1 46256000Fax: +33 1 46256371E-mail: [email protected]: www.degremont.comContact Person: Pierre – Francois Moizan - International Communications ManagerE-mail: [email protected] osmosis is a desalination process that uses membrane technology. Unlike “natural” osmosis, which facilitates solvent migration so that concentrations are even on both sides of the
membrane, reverse osmosis involves forcing water at high pressure through a membrane that is impervious to suspended minerals. And it is because of the way Degrémont controls this pre-treatment, something it does in 250 desalination plants, that it stands out from the crowd. Agents and distributors:Degremont – EgyptBasri International (Biexo) - EgyptDegremont S.A. – JordanNalco Gulf Ltd. – UAE
dow Water SolutionsP.O. Box 7893, Al Attar Business Tower, Sheik Zayed Road, 5th Floor, Dubai, UAEtel: +971 4 3123675 Fax: +971 4 3328280 http: www.dowwatersolutions.comContact Person: Mr. Ahmed Khafagy - Sales ManagerE-mail: [email protected] Water Solutions is an industry leader dedicated to providing innovative, technology-based solutions to water issues. The business unit of The Dow Chemical Company is present in the Middle East since 1980.Agents and distributors: Progress Water Products - Jordan - Lebanon - SyriaAbu Nayyan Trading Co. – Saudi Arabia - GCC
Energy Recovery, Inc.1908 Doolittle Drive, San Leandro, CA 94577, USAtel: +1 510 4837370Fax: +1 510 4837371E-mail: [email protected]: www.energyrecovery.comContact Person: Ms. Audrey Bold - Vice President –MarketingE-mail: [email protected] manufactures ultra-high efficiency recovery products and technology, specifically the ERI PX Pressure Exchanger® (PX®), that are among the enabling technologies driving the rapid growth in seawater reverse osmosis (SWRO) desalination
Agents and distributors:Energy Recovery Inc. – Saudi ArabiaEnvironze Global limited110, Laxmi Deep Towers, Laxmi Nagar District Centre, New Delhi 110092, Indiatel: +91 11 22452291 Fax: +91 11 22452292E-mail: [email protected] Person: Mr. Pawan Gupta - Technical DirectorE-mail: [email protected] manufacturer of desalination systems, reverse osmosis systems, and ultrafiltration systems.
Fan Niroo Co.P.O. Box 14155-1864, No 36, Negar Alley, Vanak Sq., Vali-e-Asr St., Tehran 1969813566, Irantel: +98 21 88771141Fax: +98 21 88771142E-mail: [email protected]: www.fanniroo.comContact Person: Mr. Jahangir Asgari - Managing DirectorE-mail: [email protected] Niroo confirmed itself as the largest and sole expert company throughout Iran in the field of Desalination based on the proprietary know-how on Multi Effect Distillation (MED) systems. Fan Niroo now can support his client’s requirements and suggest and provide optimum Desalination system for any case and location; so we are ready to propose MED or SWRO Desalination systems for seawater desalination and BWRO for Brackish water and Hybrid (MED+RO) systems for brackish water as a special case.branches:Petro A1 Co. – IranFan Jooyan Pars Niroo Co. – Iran
Fluid techniology Int’l Pvt. ltd. 424 Bhayani centre Block-M North, Nazimabad, Karachi 74700, Pakistantel: +92 21 6677341/2 Fax: +92 216641121 E-mail: [email protected] http: www.fluid.com.pkContact Person: Eng. Nisar
Ahmed - CEOE-mail: [email protected] in the field of water and wastewater treatment with specialization in Reverse Osmosis Desalination for Brackish & Seawater.
Hydranautics – A Nitto denko Company 401 Jones Road, Oceanside, CA 92054, USAtel: +1 760 9012500 Fax: +1 7609012578E-mail: [email protected] Http: www.hydranautics.comContact Person: Ms. Lisa Galloway - Marketing SpecialistE-mail: [email protected] its founding in 1963, Hydranautics has been committed to the highest standards of technology research, product excellence and customer satisfaction. Hydranautics entered the reverse osmosis (RO) water treatment field in 1970, and is now one of the most respected and experienced firms in the membrane separations industry. Hydranautics became part of the Nitto Denko Corporation when it was acquired in 1987. Agents and distributors:Hydranautics Middle East C/o E.A.Juffali & Bros. – Saudi ArabiaArabian Chemical Insulation Company – UAE
inge watertechnologies AGFlurstrasse 27, 86926 Greifenberg, Germany tel: +49 8192 997-700Fax: +49 8192 997-999E-mail: [email protected]: www.inge.ag Contact Person: Ms. Tanja Gebhart - Marketing ManagerE-mail: [email protected] AG manufactures and sells ultrafiltration membranes and modules for the treatment of drinking water, process water, wastewater and pre-treatment of salty water. inge’s patented Multibore® membrane rejects
مرجع الصناعات املائيةخدماتIndustry Contacts
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 77
particles, micro-organisms, bacteria and viruses. International Hydro Systems Inc.12240 Vickers Way, Richmond, B.C. V6V 1H9, Canadatel: +1 604 2709265Fax: +1 604 2700139E-mail: [email protected] Person: Mr. Lakshman Perera - President/CEOManufacturers of Desalination Systems.Agents and distributors: Hydro Systems Egypt - Egypt
Itt Water & Wastewater leopold Products227 South Division Street, Zelienople, PA 16063 USAtel: +1 724 4526300Fax: +1 724 4521377E-mail: [email protected]: www.fbleopold.comContact Person: Mr. Safwat Gergis, International Sales ManagerE-mail: [email protected] Water & Wastewater is an industry leader in water and wastewater treatment systems with over 8,000 Leopold installations worldwide. The company offers two systems for desalination pretreatment, the Leopold Clari-DAF® (dissolved air flotation) system and the FilterWorx® gravity media filtration system.
King lee technologies8949 Kenamar Drive, Bldg. 107, San Diego, CA 92121, USAtel: +1 858 6934062Fax: +1 858 6934917E-mail: [email protected]: www.kingleetech.comContact Person: Mr. Robert Y. Ning, Ph.D. - Vice President, Science and Business DevelopmentE-mail: [email protected] Lee Technologies specializes in chemicals and chemistry support for the design, startup, operation and maintenance of reverse osmosis plants for the purification of water and wastewater, and desalination of seawater.Agents and distributors:Kemco Technologies – BahrainProfessional Engineering Service (Proserve Egypt) – Egypt
Koch Membrane Systems, Inc. 850 Main Street, Wilmington, Massachusetts 01887-3388,
USAtel: +1 978 6947000Fax: +1 978 657 5208 E-mail: [email protected]: www.kochmembrane.comContact Person: Mr. Jim Vechino - Marketing InternE-mail: [email protected] nearly 35 years, Koch Membrane Systems (KMS) has been a world-class developer and manufacturer of innovative membrane filtration systems serving a global marketplace.The KMS Fluid Systems® brand of membranes continues to be the premier Reverse Osmosis (RO) technology available worldwide. The latest innovation is the remarkable Mega Magnum® RO Element with an 18” diameter and 60” length.Agents and distributors:Koch Membrane Systems – Bahrain
Norit X-Flow b.V. P.O. Box 739, 7500 AS Enschede, Marssteden 50, 7547 TC Enschede, The Netherlandstel: +31 53 4287350Fax: +3153 4287351E-mail: [email protected]: www.norit.comContact Person: Mr. Wouter Broeze - Marketing & Communications ManagerE-mail: [email protected] membranes are used in the field of microfiltration, ultrafiltration, nanofiltration, and reverse osmosis (RO) in capillary and tubular form, which makes selective filtration possible. X-Flow has expertise and experience in all water areas, from potable water production to treatment of process and wastewater, but also in the food & beverage and pharmaceutical industries. Its extensive portfolio of membrane products guarantees the right specifications for each application.
osmo Sistemi S.R.l. Via Toniolo, 8/B, Fano 61032, Italytel: +39 0721 855023 Fax: +39 0721 855005 E-mail: [email protected] http: www.osmosistemi.com Contact Person: Ms. Silvia Carboni
OSMO SISTEMI has 25 years od experience in water treatment technologies. The company designs, manufactures, markets, installs, commissions, and starts up: Sea and Brackish Water R.O. units, Filtration plants, Iron/Manganese removal systems, Denitrification, Softeners, Demineralization units, Micro/Ultra/Nano filtration. Agents and distributors: Osmo Sistemi Srl - Middle East Regional Office - Jordan
Pure Aqua, Inc. 2230 South Huron Drive, Santa Ana, CA 92704, USAtel: +1 714 4329996Fax: +1 714 432 9898E-mail: [email protected]: www.pure-aqua.comContact Person: Mr. Mike Moe - Vice President –MarketingE-mail: [email protected] Aqua, Inc. is a leading manufacturer and wholesale distributor of water treatment and commercial water purification systems. They offer a wide range of pre-engineered as well as custom engineered solutions for all water purification needs. Water treatment products by Pure Aqua, Inc: brackish water reverse osmosis, sea water reverse osmosis, double pass reverse osmosis, automatic multimedia filters, automatic carbon filters, etc..Agents and distributors:Pure Aqua, Inc. Middle East - Jordan
Siemens AGP.O. Box 3240, Zentrale Pressestelle, Schuhstrasse 60, D-91050 Erlangen , Germanytel: +49 9131 744432Fax: +49 9131 725074http: www.siemens.com/waterContact Person: Mr. Roland Fischer - Communications ManagerE-mail: [email protected] Water Technologies delivers cost-effective, reliable water and wastewater treatment systems and services to municipal, industrial, commercial and institutional customers worldwide.
So~Safe International FZCoPlot MO-105, P.O Box 17740 Jebel Ali Free Zone, Dubai, UAEtel: +971 4 8875055Fax: +971 4 8875056
E-mail: [email protected] http: www.sosafe.net Contact Person: Dr. Mohammad Naveed Piracha - Marketing Manager
Industrial divisionSo~Safe Products llC Opposite Cricket Stadium, P.O Box 20411, Sharjah, UAEtel: +971 6 5433797Fax: +971 6 5421798E-mail: [email protected] http: www.sosafe.net So~Safe specializes in the design and manufacture of high quality water filtration and treatment products to meet, virtually, any water purification requirement. Innovation, quality, and after sales service are the distinctions which make So~Safe one of the leading brands in more than 65 countries around the world.
técnicas de desalinizacion dE Aguas, S.A.Cardenal Marcelo Spinola, 10, Madrid 28016, Spaintel: +34 91 4569500 Fax: +34 91 4568929 http: www.tedagua.comContact Person: Mr. Ramón Jiménez - Managing Director E-mail: [email protected] Company dedicated to the design, engineering, operation and maintenance of Desalination plants, Drinking Water Treatment Plants (DWTP) and other purification water systems, Wastewater Treatment Plants (WWTP), and water reusing equipments for urban and industrial spills. toray Membrane Europe – HeadquarterGrabenackerstrasse 8, 4142 Münchenstein, Switzerlandtel: +41 61 4158710Fax: +41 61 4158720E-mail: [email protected]: www.toraywater.comContact Person: Mr. Jochen Kallenberg - Marketing ManagerE-mail: [email protected]”s Membrane Bioreactor (MBR) process is a combination of biological wastewater treatment and membrane filtration. Biodegradable pollution is reduced using bacteria and microorganisms. Following biological treatment, the biological sludge is separated from the treated water by a
SERVICES Industry Contactsمرجع الصناعات املائية
ARAb WAtER WoRld (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 478
microfiltration membrane.Agents and distributors:Mitsui & Co Ltd - Saudi ArabiaToray Membrane Europe – UAEtriSep Corporation93 S. La Patera Lane, Goleta, CA 93117, USAFax: +1 706 7378165http: www.trisep.comContact Person: Mr. John Waring - Director, International SalesE-mail: [email protected] Corporation manufactures membrane elements for reverse osmosis, microfiltration, nanofiltration, and ultrafiltration applications. TriSep also manufactures cleaning chemicals and antiscalants specifically designed to improve membrane element performance.Agents and distributors: Al-Kawther Industries Ltd. – Saudi ArabiaMetito Arabia Industries Ltd – Saudi Arabia
VA tech Wabag GmbHDresdner Str. 87-91, Vienna 1200, Austriatel: +43 1 25105-0 Fax: +43 1 25105-163E-mail: [email protected]: www.wabag.comContact Person: Ms. Helma Hakala - Corporate communicationsE-mail: [email protected] is one of the world’s leading companies for the design, construction and operational management of drinking water, wastewater treatment and water reclamation plants for both the municipal and industrial sectors.
Agents and distributors:VA Tech Wabag Algérie SARL - AlgeriaVA Tech Wabag- EgyptVA Tech Wabag - IranVA Tech Wabag - LibyaVA Tech Wabag Ltd. - OmanVA Tech Wabag Office – Saudi ArabiaVA Tech Wabag Tunisie SARL - TunisiaVA Tech Wabag Gulf LLC - UAE
WEtICo / Saudi berkefeldOmar Bin Abdul Aziz Street, P.O. Box 9419, Riyadh 11413, Saudi Arabiatel: +966 1 4929000Fax:+966 1 4928000E-mail: [email protected]
http: www.wetico.comContact Person: Mr. Ulrich Jauss - General ManagerWETICO is a specialized desalination, water and wastewater treatment company with over 20 years of experience in the design, manufacture, installation, and commissioning of plants throughout the MENA region.Agents and distributors:Iraq Technical Support – IraqQatar Technical Support (QTS) (Wetico - Qatar)Wetico – UAE
Woongjin Chemical Co., ltd.12th Floor ASPO Building, 254-8 Gongdeok-dong, Mapo-ku, Seoul 121-710, South Koreatel: +82 2 32797000 Fax: +82 2 32797088E-mail: [email protected]: www.csmfilter.com Contact Person: Mr. Jerry Oh - Regional ManagerE-mail: [email protected] Manufacturer of high-quality RO, NF, and UF membranes and a diverse range of cartridge and micro-filters. Branch offices in US, India, Japan, and China.
Section twoAlGERIA
VA tech Wabag Algérie SARl2, Rue Bois des Pins, Kouba-16050 Alger , Algeriatel: +213 21 461969Fax: +213 21 680186E-mail: [email protected]:VA Tech Wabag GmbH - Austria
bAHRAINKemco technologiesP.O. Box 26127, Manama, Bahraintel: +973 17 216100Fax: +973 17 216199http: www.kemcosc.comContact Person: Mr. Kabir Jerath - Managing Director E-mail: [email protected]:King Lee Technologies - USA
Koch Membrane SystemsAldoseri Business Centre, 1 Government Avenue, Suite No. 314, Building 1, Road 383, Block 306, P.O. Box 3210, Manama,
Bahraintel: +973 17 536222Fax: +973 17 536333E-mail: [email protected]: www.kochmembrane.comContact Person: Mr. Deepak Raina - Regional Manager/ Middle EastE-mail: [email protected]:Koch Membrane Systems, Inc. - USA
EGYPtbasri International (biexo)Dr. Yossif Murad Street No. 11, El-Hegaz Sq., Flat No. 17, Heliopolis, Cairo, Egypttel: +20 2 2750275Fax: +20 2 2700003Contact Person: Mr. Hashim Barsi – OwnerE-mail: [email protected]:Degremont – France
degremont15, Hassan Sabri Street, Zamalek, Cairo, Egypttel: +20 2 3320220Fax: +20 2 3408076Http: www.degremont.com.egContact Person: Mourad Mounir - Deputy Project ManagerE-mail: [email protected]:Degremont – France
Hydro Systems EgyptAl Roessat, Sharm El Sheikh, Egypt E-mail: [email protected]:International Hydro Systems Inc. – Canada
Professional Engineering Service (Proserve Egypt)Al Mahrosa Buildings, Sidi Beshr, Building # 15, Flat # 113, Alexandria, Egypttel: +20 2 6078461Fax: +20 2 6078461 http: www. proserve-egypt.comContact Person: Mr. M. DaoudE-mail: [email protected]:King Lee Technologies – USA
VA Tech Wabag Office Cairo3, El Malek El Aftal Street, 2nd Floor, Flat Nr. 11, Zamalek, Cairo, Egypt
tel: +20 2 7353486Fax: +20 2 7353476E-mail: [email protected]:VA Tech Wabag GmbH - Austria
IRANPetro A1 Co. (oil desalting Package Manufacturer )No 36, Negar Alley, Vanak Sq., Vali-e-Asr St., Tehran, Iran E-mail: [email protected]:Fan Niroo Co. - UAE
Fan Jooyan Pars Niroo Co. (After Seles Supporter) No 30, Vanak St., vanak Sq., Tehran, Iran E-mail: [email protected]:Fan Niroo Co. – UAE
VA Tech Wabag Office TehranSadr Express way (South of Qeytariyeith Park), No. 6 Roushanaie Str.,19319 Tehran, Irantel: +98 21 22230557 /2224675/76Fax: +98 21 22203462Mobile: +98 912 1230119E-mail: [email protected] Person: Mr. Youness MalekfatehiRepresenting:VA Tech Wabag GmbH – Austria
IRAqIraq technical SupportE-mail: [email protected]:Representing
WETICO / Saudi Berkefeld –Saudi Arabia
JoRdANdegremont S.A.P.O. Box 1761, Amman, Jordantel: +962 6 618911Fax: +962 6 618910Http: www.degremont.comContact Person: Mr. Robert Gewargis - Commercial ManagerE-mail: [email protected]:Degremont – France
osmo Sistemi Srl - Middle East Regional Office P.O. Box 17706, Al-Gazal Trading Complex, Cabol Street, Building#30 , Alrabia, Amman 11195, Jordantel: +962 6 5561474
مرجع الصناعات املائيةخدماتIndustry Contacts
www.awwmag.com نيسان )أبريل( 2009 / مجلد 33 - عدد 4عالم املياه العربي 79
Fax: +962 6 5561473 Contact Person: Eng. Riad Alkhatib - Commercial Department E-mail: [email protected] Representing:Osmo Sistemi S.R.L. - Italy
Pure Aqua, Inc. Middle EastP.O. Box 910947, Amman 11191, Jordantel: +962 6 601141Fax: +962 6 685014E-mail: [email protected]: www.pure-aqua.comContact Person: Mr. Maher AghasiE-mail: [email protected]:Pure Aqua, Inc – USA
lEbANoNProgress Water ProductsP.O. Box 70012, Bldg. #19, Next to Rabieh Center & Gardens, Str. #10, Rabieh, Lebanontel: +961 1 900313Fax: +961 1 900314 E-mail: [email protected] http: www.pwpwater.com Contact Person: Mr. Simon Ashqar - General ManagerE-mail: [email protected]:Dow Water Solutions – UAE
lIbYAVA tech Wabag branch libya11th of June Street, 2nd Ring Road, Souk Al Gumar, P.O. Box 91531, Tripoli, Libyatel: +218 21 4631431Fax: +218 21 4625711E-mail: [email protected]:VA Tech Wabag GmbH – Austria
oMANVA tech Wabag ltd. (oman branch)Flat No. 32, Building No. P/22, P.O. Box 997, Postal Code 116, Azaiba, Muscat, Sultanate of Omantel.: + 968 24613320Fax: + 968 24613321E-mail: [email protected]:VA Tech Wabag GmbH – Austria
qAtARqatar technical Support (qtS) (Wetico - qatar)P.O. Box 23308, Doha, Qatartel: +974 4 650295Fax: +974 4 677824E-mail: [email protected] Person: Mr. Shadi Yousef - Division Sales ManagerE-mail: [email protected]:WETICO / Saudi Berkefeld – Saudi Arabia
SAUdI ARAbIAAbu Nayyan trading Co. P.O. Box 321 Riyadh 11411, Saudi Arabiatel: +966 1 4779111Fax: +966 1 4793312Contact Person: Mr. Rami S. Abu Amirah E-mail: [email protected]:Dow Water Solutions - UAE
Al-Kawther Industries ltd.P.O. Box 7771, Jeddah 21472, Saudi Arabiatel: +966 2 6360644Fax: +966 2 6374337http: www.alkawther.comContact Person: Mr. M. AbbasE-mail: [email protected]:TriSep Corporation – USA
Energy Recovery Inc.P.O. Box 56074, Riyadh 11554, Saudi Arabiatel: +966 1 4973034Fax: +966 1 4970969 E-mail: [email protected]: www.energy-recovery.comContact Person: Mr. Emad Al Sharif - Regional Sales Manager E-mail: [email protected]:Energy Recovery, Inc - USA
Hydranautics Middle East C/oE. A. Juffali & bros.Juffali Center 4th Floor, P. O. Box 5728, Jeddah 21432, Saudi Arabiatel: +966 2 6692280Fax: +966 2 6606508Http: www.membranes.comContact Person: Mr. Tarek F.F. Dajani - Middle East Regional ManagerE-mail: [email protected]:
Hydranautics – A Nitto Denko Company - USA
Metito Arabia Industries ltd P.O. Box 6133, Riyadh 11442, Saudi Arabia tel: +966 1 4787001Fax: +966 1 4794250Contact Person: Mr. Samih NasrE-mail: [email protected]:TriSep Corporation – USA
toray Membrane Europe (KSA Sales Office)Mitsui & Co ltd P.O. Box 6030, Riyadh 11142, Saudi Arabia tel: +966 5 69570581Fax: +966 1 2734880E-mail: [email protected]: www.toraywater.comContact Person: Mr. Wasfi Sawalha - Area Sales ManagerRepresenting:Toray Membrane Europe (Middle East Branch Office)
VA Tech Wabag Office Saudi-ArabiaP.O. Box 62071, Riyadh 11585, Saudi Arabiatel: +966 1 4 727345 ext. 140Fax: +966 1 4726925E-mail: [email protected] Representing:VA Tech Wabag GmbH – Austria
tUNISIAVA tech Wabag tunisie SARl13, Rue Tahar Memmi - El Menzah VI, 2091 Ariana, Tunisie tel: +216 71 750760Fax: +216 71 750611E-mail: [email protected]: www.wabag.comRepresenting:VA Tech Wabag GmbH – Austria
UAEAqualyng Capital Management ltd. Oasis Center, Business Floor, Room 28 & 29, Dubai, U.A.E tel: +971 4 3397313Fax: +971 4 3397315E-mail: [email protected]/[email protected]:Aqualyng - Norway
Arabian Chemical Insulation Company - Middle East Regional Office (DAFZ)
Union Tower, 5th Floor, Sheikh Zayed Road, Dubai - UAE tel: +971 4 3437622Fax: +971 4 3439978Http: www.hydranautics.comContact Person: Mr. Ziad Chreih - Business Development Manager Mobile: +971 50 6243184E-mail: [email protected] Representing:Hydranautics – A Nitto Denko Company – USA
Nalco Gulf ltd.R/A 10, Jebel Ali Free Zone, P.O. Box 17063, Dubai, UAEtel: +971 4 8832272Fax: +971 4 8832199E-mail: [email protected]: www.nalco.comContact Person: Mr. Asif Sheikh - Industry AnalystE-mail: [email protected]:Degremont - France
toray Membrane Europe (Middle East branch)P.O. Box 17978, Jebel Ali Free Zone - South FZS2-AC07, Dubai, UAEtel: +971 4 8861922Fax: +971 8861923E-mail: [email protected]: www.toraywater.comContact Person: Mr. Klaus Kallenberg - Area Sales & Project DirectorE-mail: [email protected]:Toray Membrane Europe – Switzerland
VA tech Wabag Gulf llCP.O. Box 122598, Dubai, UAEtel: + 971 4 2738763Fax: + 971 4 2738764E-mail: [email protected]:VA Tech Wabag GmbH – Austria
Wetico – UAEEmirates Technical SupportP.O. Box 10223, Dubai, UAEtel: +971 4 2844622Fax: +971 4 2855877E-mail: [email protected]:Representing WETICO / Saudi Berkefeld –Saudi Arabia
SERVICES Coming Eventsمعارض ومؤمترات مقبلة
ARAb WAtER WoRld (AWW) www.awwmag.comApril 2009 / Vol. XXXIII Issue 480
Section one Acme Engineering Products ltd.5706 Royalmount Ave., Montreal, Quebec H4P 1K5, Canada tel: +1 514 3425656 Fax: +1514 3423131E-mail: [email protected]: www.acmeprod.comContact Person: Mr. Robert Presser - Vice PresidentE-mail: [email protected] of automatic strainers for intake, process and effluent treatment. Special FRP vessels for seawater and corrosive service.Agents and distributors:Extol Hydro/ CANEP - Saudi Arabia
AES Aritma Ekipmanlari ve Sistemleri Insaat ve taahhut Sanayi ticaret limited SirketiKurtkoy Sanayi Mahallesi Hicret Sok. No:19 Pendik, Istanbul 34906, Turkeytel: +90 216 5950444 Fax: +90 216 5950445E-mail: [email protected] http: www.aesaritma.com.trContact Person: Mr. Kemal Ozkaya - OwnerE-mail: [email protected] of filter presses. Arges Aritma Makina ltd.Ari Sanayi Sitesi 28.Cadde 685.Sokak No: 71 İvogsan, Ankara 06730, Turkey tel: +90 312 3957729Fax: + 90 312 3957731E-mail: [email protected]: www.argesmakina.com
April 2009
SWItZERlANdblue, Green & Gold – the Future of Water, Finance & the Environment27 - 28Marriott Hotel – Zurich, SwitzerlandInfo: Chris Bowling – Global Water Intel-ligencetel: +44 (0) 1865 204 208Fax: +44 (0) 1865 204 209E-mail: [email protected] http: www.watermeetsmoney.com
UAEWater Investment World Middle East 2009 27 - 30Al Murooj – dubai, UAE Info: Ms. Antoinette Bou Gebrael, Con-ference Manager - Terrapinn tel: +971 (0) 4709 4513 E-mail: [email protected] http: www.terrapinn.com/2009/waterme
UK
CIWEM’s Annual Conference 2009: Water & the Global Environment29 - 30Olympia Conference Centre, London Info: CIWEM tel: +44 020 7831 3110Fax: +44 020 7405 4967 E-mail: [email protected] http: www.ciwem.org/events/annual_conference
May 2009
INdoNESIA
International Seminar on WaterResources and Coastal Management in developing Countries11 - 13Manado, Indonesia Info: HATHI MANADO tel/Fax: +62 431 81 3107E-mail: [email protected] http: www.hathi-manado.org
UAE
Watertech 2009 3 - 6Sheraton Abu Dhabi Hotel & Resort - Abu Dhabi, UAE Info: International Quality & Productivity Center (IQPC) tel: +971 4 364 2975
E-mail: [email protected] http: www.watertechme.com
USA
GEFCo’s 13th Annual Resourcedrilling Fundamentals training Seminar 11 - 15Enid, Oklahoma, USA Info: GEFCO’s International Sales Department tel: +1-580-234-4141 Ext. 214 Fax: +1-580548-2716 E-mail: [email protected] http: www.gefco.com
June 2009
CANAdA
International Forum on Integrated Wa-ter Management1 - 3Centre Culturel, Université de Sher-brooke, CanadaInfo: Ms. Jacinthe Caron, M. Env., B. Commercetel: +1 819 821 8000 ext. 65254E-mail: [email protected]: www.cogesaf.qc.ca/rv-eau
SAUdI ARAbIA WE – Power 2009 7 - 10Dhahran International Exhibitions Center – Dammam, Saudi Arabia Info: Mr. Ehab Idriss – Director, Sales & Marketing tel: +44 207 023 9240Fax: +44 207 022 1722E-mail: [email protected] http: www.wepower-sa.com | www.bme-global.com
CYPRUS
European Water Resources Associa-tion (EWRA) 7th International Confer-ence25 - 27limassol, CyprusInfo: Dr. Symeon Christodoulou, Univer-sity of Cyprus – Conference Host and Chairtel: +357 2289 2270Fax: +357 2289 2295E-mail: [email protected] http: www.eng.ucy.ac.cy/ewra2009
July 2009
AUStRAlIAFuture Models for Energy and Water Management 20 - 22queensland University of technology – brisbane, Australia Info: Ms. Parvin Ahadi tel: +61 3 8344 1786E-mail: [email protected] http: www.amsi.org.au/energy.php
August 2009
SWEdEN
World Water Week in Stockholm 16 - 22Stockholm International Water Institute (SIWI) – Stockholm, Sweden Info: Michael Moore - SIWItel: +46 (0)8 522 139 83Fax: +46 (0)8 522 139 61E-mail: [email protected] http: www.worldwaterweek.org
September 2009
FRANCE
the Water Framework directive – Emerging Water Management Chal-lenges 29 - 30lille, France Info: François Mauvais - General Man-ager, ASTEE tel: +33 (0) 1 53 70 13 53Fax: +33 (0) 1 53 70 13 40E-mail: [email protected] http: www.ciwem.org | www.astee.org
October 2009
SAUdI ARAbIA
Saudi Water & Power Forum 2009 11 - 14Jeddah Hilton - Jeddah, Saudi Arabia Info: Shunker Goel, The CWC Group Limited tel: +44 (0) 20 7978 0080Fax: +44 (0) 20 7978 0099E-mail: [email protected] http: www.ksawpf.com
If you’d like to run your event in this space, kindly send all necessary details to
دليل املشترينBuyers’ Guide
عالم املياه العربي
خدمات
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PRodUCt ACtIVItY INdEX• Aerators:– Aquamaster
• desalination / Filtration:– Norit X-Flow– WaTech RO System– Pacific RO System– Industrial Services Inc.– Caware International – Osmo Sistemi
• Instruments:– Tintometer– Myron L Company– B.Meters
• Pumps:– DP Pumps
• Valves & Fittings:– Castflow Valves– Valve & Filter
• Water Features:– Neville Crocker Australia
• Water / Wastewater treatment:– Bio Microbics– Pure Aqua– Hydro Technical Services
• Well drilling:– GEFCO
(1) Algeria (5) Iraq (9) Lebanon (13) Qatar (17) Tunisia(2) Bahrain (6) Iran (10) Libya (14) Saudi Arabia (18) Turkey(3) Cyprus (7) Jordan (11) Morocco (15) Sudan (19) UAE(4) Egypt (8) Kuwait (12) Oman (16) Syria (20) Yemen
If you are interested in including your information in this section, kindly send an email to: [email protected]
Agents & distributorsThe firms below are seeking agents and distributors in the Middle East & North Africa.
The numbers at the right hand side of each firm represent the number of the countries listed below. If you are interested in representing a firm that is looking for agents in your country, kindly contact the relevant firm by email
Company Contact Person Country Email Address ProductsCountries in which firm is seeking Agents & distribu-tors
Artemis Systems Twan van der Mierde The Netherlands [email protected] Ro-systems and all pre-treat-
ment needed 6,14,19
Ashirvad Pipes Pawan Poddar India [email protected] uPVC Rising (Column) pipes for submersible pumps
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20
Coverco Gianluca Neri Italy [email protected] Pumps 1,2,3,4,5,6,7,8,9,10,11,§12,13,14,15,16,17,19,20
Sarjan Watertech India Pvt. Ltd. Sunil Trivedi India [email protected]
Water Treatment/ Water Puri-fication Systems, RO Systems and all Components.
11,12,13,14,19
Eijkelkamp Agrisearch Equipment BV Albert Knol Holland [email protected] Equipment for agricultural
and environmental research 1,2,3,5,7,8,9,10,11,13,14,15,16,17,18,20
E+M Bohr GmbH Cerstin Hager Germany [email protected] Groundwater developmentwater supply equipment
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20
Fouress Engineering (India) Limited K. Ramesh Kumar India [email protected]
Butterfly Valves; Pump Dis-charge Valves; Knife Gate Valves; Gate Glove Check Valves
7,8,9,13,14,16,19
ITT Aquious Water Lori Coba USA [email protected] Desalination 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,19,20
Jainson Insulation Pvt. Ltd. Nikesh Shah India [email protected] Submersible Pump Cables 1,2,3,4,5,6,7,8,9,10,11,12,13, 14,15,16,17,18,19,20
NeoSENS Bertrand Chevalley France [email protected]
Laboratory & analytical instru-ments
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,19,20
April 2009 / Vol. XXXIII Issue 4
INFo Advertisers’ Indexفهرس املعلنني
ARAb WAtER WoRld (AWW) www.awwmag.com84
Advertisers Page # RIN # WebsitesAqualyng 13 8 www.aqualyng.com
AquaMaster 81 94 www.aquamasterfountains.com
b.Meters SRl 81 98 www.bmeters.com
bentley Systems, Inc. 3 2 www.bentley.com/en-GB/thenewoil
bio-Microbics Inc. 81 95 www.biomicrobics.com
blue-White Industries 16 11 www.bluwhite.com
Castflow Valves S/l 81 99 www.castflow.com
Caware International Co. ltd. 81 96 www.caware.com.tw
CSt Industries, INC 15 10 www.tanks.com
danfoss A/S 19 17 www.ro-solutions.com
dp Pumps 81 100 www.dp-pumps.com
Energy Recovery Inc. 9 5 www.energyrecovery.com
Fraste SpA 23 22 www.fraste.com
GEFCo 81 97 www.gefco.com
HobAS Engineering GmbH 59 66 www.hobas.com
Hydro technical Services Co. 81 101 www.hytco.com
Industrial Services Inc. 82 102 www.desalt.net
JESCo 21 19 www.Jescome.com
Koch Membrane Systems 67 80 www.kochmembrane.com
MENA Water OBC 114 www.mena-water.com
Myron l Company 27, 82 26, 106 www.myronl.com
Neville Crocker Australia Pty. ltd. 7, 82 4, 103 www.ncawaterfeatures.com.au
Nordic Water Ab 33 34 www.nordicwater.se
Norit X-Flow IFC, 82 1, 107 www.norit.com
osmo Sistemi SRl 82 104 www.osmosistemi.com
Pacific Ro System 82 108 www.waterlifetech.com
Pall Corporation 29, IBC 29, 113 www.pall.com/water
Piedmont Pacific 49 52 www.piedmontpacific.com
Praher Valves GmbH 41 39 www.praher-valves.com
Pure Aqua Inc. 11, 82 7, 105 www.pure-aqua.com
Roscoe Moss Company 55 61 www.roscoemoss.com
SCHlUMbERGER WAtER SERVICES 5 3 www.water.slb.com
Severn trent Services Inc. 31 32 www.severntrentservices.com
SWPF 2009 25 24 www.ksawpf.com
tintometer 83 111 www.tintometer.de
Valve & Filter 51, 83 55, 110 www.valveandfilter.com
Watech Ro Systems (I) Pvt ltd 82 109 www.watechro.com
WE-Power 2009 37 36 www.wepower-sa.com
اإلشتراكات، التحرير، والئحة املندوبنيSubscriptions, Editorial, & Media Representatives list
www.awwmag.comعالم املياه العربي نيسان )أبريل( 2009 / مجلد 33 - عدد 4
معلومات
85
AWW in briefArab Water World (AWW) magazine, published by Chatila Publishing House (CPH) since 1977, is the leading specialized business magazine that delivers information about the latest developments and technologies in the Water, Wastewater, Desalination, & Energy sectors. It is circulated to the desktops of over 8900 professional decision-makers (importers, exporters & manufacturers...) engaged in the above-mentioned industries throughout the Middle East & North Africa (MENA), and is published 12 times a year in bilingual (English-Arabic) format.
Subscription & MembershipArab Water World (AWW) magazine can be received 12 times per year by subscription. The yearly subscription rate to AWW is: Lebanon $30, Arab Countries $45, Iran, Cyprus, Turkey & South Africa $60 and other countries $80. Further information on multi-year subscription rates and membership privileges can be found on the inserted subscription & membership card. For special student and group/bulk subsription rates, please send your request to Mr. Jad Aboulhosn (Marketing & Circulation Manager) at: [email protected]
Editorial RegulationsSince we always aim at providing our readers with the latest and most essential editorial content, and since we try to act as an information bridge between high-tech countries and developing countries of the MENA region, we hereby mention the conditions for publishing editorial material in AWW, hoping that these instructions will be respected by authors. The AWW editorial material is divided into articles and press releases. The press release is 250 to 750 words, while the article is 1500 to 3000 words. The English article has at its end an Arabic translation (one third of the original article), and vice versa. The article is published for free, and a proper acknowledgement is made at its end. All material submitted to the publisher (CPH) and relating to AWW will be treated as unconditionally assigned for publication under copyright subject to the editor’s unrestricted right to edit and offer editorial comment. AWW assumes no responsibility for unsolicited material or for the accuracy of information thus received. AWW assumes, in addition, no obligation for return postage of material if not explicitly requested. Editorial material (text & photos) can be sent to Mr. Jad Sarkis, Assistant Editor & Researcher by air-mail (see posted address below or email at [email protected] (text as MS Word document accompanied with two or more images having a resolution of 300 DPI or above).
حملة عن مجلة “عالم املياه العربي”تصدر مجلة “عالم املياه العربي” عن دار شاتيال للنشر منذ العام 1977، وهي املجلة املتخصصة الرائدة التي في الطاقة و املياه وحتلية الصحي والصرف املياه قطاعات في والتقنيات التطورات وأهم بأخر القارىء تزود الشرق األوسط وشمال إفريقيا. توزع مجلة “عالم املياه العربي” الى أكثر من 8900 شخص من أصحاب القرار )كاملصدرين واملستوردين واملصنعني...( العاملني في قطاع املياه في الشرق األوسط وشمال أفريقيا، وهي مجلة تصدر
12 مرة في السنة.
ميكن احلصول على مجلة “عالم املياه العربي” 12 مرة في السنة عبر اإلشتراك. تبلغ قيمة اإلشتراك السنوي 30$ للمشتركني من لبنان و $45 للمشتركني من البلدان العربية و$60 للمشتركني من ايران وتركيا، قبرص وجنوب أفريقيا، و $80 للمشتركني من البلدان األخرى. للحصول على املزيد من املعلومات حول اإلشتراك لعدة سنوات في املجلة، أو حول املنافع التي يستفيد منها املشتركون، الرجاء مراجعة بطاقة اإلشتراك والعضوية. أما الطالب الذين يرغبون في احلصول على حسومات خاصة على بدالت اإلشتراك في املجلة، فالرجاء األتصال بالسيد جاد أبو احلسن مدير التسويق والتوزيع
[email protected] :على عنوان البريد اإللكتروني التالي
حرصا منا على تقديم أهم املواد التحريرية وأجدها الى قرائنا وإستكماال للهدف الذي أسست من أجله املجلة، وهو أن تكون اجلسر الذي يربط بلدان الشرق األوسط وشمالي أفريقيا بالبلدان الرائدة في حقل املياه في العالم، نوضح في ما يلي شروط نشر املقاالت في مجلة “عالم املياه العربي” الى ثالثة أقسام: املقاالت، األخبار الصحفية واملقاالت التي تركز على إحدى خصائص
املياه:- يشغل اخلبر الصحفي 2/1 الى 1 صفحة )أي 250 الى 750 كلمة(، ويشغل املقال العادي 2 الى 4 صفحات )أي 1500 الى 3500 كلمة(، ويشغل املقال املقال الذي يركز على إحدى خصائص املياه من 2 الى 3 صفحات )أي 1500 الى 3000 كلمة(، ويركز على املواضيع التي يتطرق
اليها العدد )مراجعة امللف اإلعالمي اخلاص باملجلة(.-يتضمن املقال املكتوب باللغة اإلنكليزية ملخصا بالعربية عند نهايته ال يتعدى ثلث املقال األصلي، وكذلك األمر بالنسبة الى املقال املكتوب
بالعربية.- ترسل مواد التحرير )النص والصور( الى السيد جاد سركيس )مساعدة محرر وباحث( ، بواسطة البريد اجلوي )يرجى مراجعة العنوان البريدي أدناه( أو البريد اإللكتروني: [email protected] - ترسل املقاالت واألخبار على برنامج مايكروسوفت وورد. في ما يتعلق بالصور فإما أن
ترسل بواسطة البريد اجلوي )على قرص مدمج( أو بواسطة البريد اإللكتروني على أن تكون واضحة جدا )300 دي.بي.أي أو أكثر(.
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اإلشتراك والعضوية
شروط نشر املقاالت
Prتمت الطباعة عند i n t ed
Word of the ExpertINFoكلمة اخلبير
ARAb WAtER WoRld (AWW) April 2009 / Vol. XXXIII Issue 4 www.awwmag.com86
يبني الدكتور درويش يوسف والدكتور روبني يوسف في هذه املقالة أهمية تطبيق املعاجلة الطبيعية ملياه الصرف الصحي عن طريق تقنية األراضي الرطبة املنشأة من أسرة القصب مشيرا إلى الفوائد االقتصادية والبيئية الناجمة عن تطبيقها على التدفقات الصغيرة على وجه خاص.
REFER TO RIN 112 ON PAGE 88
treating municipal wastewater by reed bed wetlandsBy Dr. Eng. Darwish Ibrahim Yousef and Dr. Eng. Robin Yousef*
*dr. Eng. darwish Ibrahim Yousef, Gen-eral Managerdr. Eng. Robin Yousef, technical Man-ager Yousef for Science and Engineering,
One of the commonly found environmen-tal problems in developing countries is water pollution caused by direct disposal of untreated municipal wastewater. Most of the centrally collected wastewater treatment plants are not functioning due to high cost of spare parts, chemical ad-ditives, utility bills and lack of trained human resources. These financial and managerial problems are common in ev-ery developing country.
The use of natural systems in the treat-ment of liquid wastes has been getting substantial attention in many environ-mental conferences and forums. The use of plants, water, and soil in a composite unit generally called a wetland has been applied in many areas and applications from domestic to industrial waste sourc-es. Other terms which refer in part or in general to natural treatment systems in-clude: Land treatment, phytoremediation, constructed wetland, etc… The realiza-tion of the importance of wetlands, which ecologists often refer to as “nature’s kid-neys” for their water cleansing capacity, has grown since the 1960s. The interest in this new and emerging field of Envi-ronmental Studies has led to a deeper understanding of the mechanisms and issues involved in its use. A significant and promising facet of this technology is the low energy requirement in its applica-tion.
A natural treatment system would refer to any unit process, which would involve water, soil, plants, microorganisms, and interaction with the atmosphere. If we re-move the plants from this equation, then this would refer to any of the conven-tional biological treatment systems we are familiar with. The addition of plants in this stoichiometry would therefore differ-entiate it from other systems. In an effort to apply rigidity to the study of this field of environmental engineering, different au-thors have come up with classifications for the different processes under the gen-eral label of “natural treatment systems”. We can generally classify them accord-
ing to the following headings: (a) Aquatic Treatment Units; (b) Wetland Treatment Units; and (c) Terrestrial Treatment.
Natural treatment systems, specifically constructed wetlands, provide a good and robust solution for the rising wastewater problem in the Middle East. Compared to common treatment facilities, wetlands are lower in cost investment, lesser to maintain, and are ideal for densely popu-lated rural or suburban areas.
The use of reeds for the treatment of sew-age was first investigated in Germany by Seidel and Kickuth in the 1960s. Since then, about 500 reed bed treatment sys-tems have been constructed in Western Europe since 1984. In general, the expe-riences gained in the years since, show that BOD (Biochemical Oxygen Demand) removal is 80 to 90%, with typical outlet concentrations of 20 ppm; total N removal is 20 to 30%; and total P removal is 30 to 40%. A general problem is surface flow of the feed caused by the hydraulic load exceeding the permeability of the bed. It is important to note that the pre-engi-neering of reed bed treatment systems is critical. These systems are not flexible in
terms of adjusting to excessive load.
In the case of Engineered Reed Bed Systems, rhizodegradation is the main mechanism for the removal of organic contaminant. Rhizofiltration explains the retention of inorganic contaminants in the reed bed. The reeds which are used for reed bed construction are rhizome bear-ing macrophytes. These structures in the root system or rhizosphere provide the microenvironment for aerobic and anaer-obic degradation of various compounds. Together with the root exudates from the reeds, a unique environment for degrada-tion is produced. The other mechanisms also come into play in varying degrees. These mechanisms give the reed bed system a distinct advantage over other conventional biological systems in the degradation and stabilization of recalci-trant compounds and difficult-to-biode-grade or persistent compounds, which are often also toxic compounds. The ad-vantages of Engineered Reed Treatment Systems include: (a) Minimal operating cost due to low energy required; (b) pos-sible treatment solution for the removal of recalcitrant compounds; and (c) pos-sible treatment solution for very small flows, previously untreated.
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