presence of pharmaceuticals and pesticides in detroit
TRANSCRIPT
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Saad Y. Jasim, Ph.D., P. Eng.Walkerton Clean Water Centre
Presence of Pharmaceuticals and Pesticides in Detroit River Water and
the Effect of Ozone on Removal
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CoCo--AuthorsAuthors
Antonette Irabelli, WUC, ONLinda Schweitzer, OU, MIShamima Ahmed. OU, MIPaul Yang, MOE, ON
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Endocrine Disrupting ChemicalsEndocrine Disrupting Chemicals
Research has shown that some environmental pollutants can affect reproductive hormone levels and reproductive tissues in fish.
Chemicals that can alter hormone levels that control growth, reproduction and development are considered Endocrine Disrupting Chemicals.
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Endocrine Disrupting ChemicalsEndocrine Disrupting Chemicals
“Environmental chemicals that interact adversely with glands and hormones that control or regulate many biological processes” (USEPA, 1998)
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Pharmaceuticals and Pharmaceuticals and Personal Care ProductsPersonal Care Products
Pharmaceuticals;Generally used to treat symptomsImproved and expanded human lifeUsed for veterinary &Agricultural purposes
Personal Care Products;Shampoos, FragrancesHerbal Remedies, etc.
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Note 1: Site 1, STP effluent; Site 2, Little River/Detroit River confluence; Site 3, Downstream of combined sewage overflow (CSO); Site 4, Reaume Park; Site 5, Raw water intake of WUC.Note 2: the concentrations are averages of 3 samples (Hua et. al 2003).
0
50
100
150
200
Fluoextine
Trimethoprim
Pentoxifyllin
e
Cyclophosp
hamide
Carbamaze
pine
Caffeine
Continine
Atrazin
e
Con
cent
ratio
n (n
g/L)
site 1site 2site 3site 4site 5
Neutral Drugs and Neutral Drugs and AtrazineAtrazine Identified in STP EffluentIdentified in STP Effluent
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BackgroundBackground
Total population served 230,000 (would increase to 250,000 by September 2005)
Raw water source is the Detroit River
Ozone was implemented in June 2001The application of ozone provided a major improvement in water quality
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OBJECTIVESOBJECTIVES
Investigate the presence of Pharmaceuticals, Personal Care Products, and Pesticides in source water (Detroit River)Compare the removal of these compounds by conventional water treatment processes vs. ozone treatment (Pilot Scale and Full Scale)
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Detroit River Detroit River Raw Water QualityRaw Water Quality
Low turbidity (occasional spikes)Colour and sometimes odourDOC usually in the range of 1.5-1.8 mg/L. High levels of DOC can reach 5.0-6.0 mg/LHardness (100-150 mg/L as CaCO3).
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Location of WindsorLocation of Windsor’’s water intake and s water intake and STP outflows in the Detroit RiverSTP outflows in the Detroit River
0 2
Kilometer
4
City of Windsor water intake
Little River STP outflow
West Windsor STP outflow
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COAGULATION/ COAGULATION/FLOCCULATION/ FLOCCULATION/SEDIMENTATION SEDIMENTATION
Ozone contactorbypassed
SIDE 1 SIDE 2
FILTER ADSORBER 1
DUAL MEDIA FILTER 1
DUAL MEDIA FILTER 2
FILTER ADSORBER 2
OZONE
RAW WATER STORAGE TANK
OZONE
Not sampled Not sampled
Pilot Plant Configuration
Windsor Pilot PlantWindsor Pilot Plant
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Existing KnowledgeExisting Knowledge
In 2002, samples were collected from the pilot plant and analysis was conducted by Tulane UniversityTrace levels of colfibric acid, Bisphenol A, and naproxen were detected in raw water samples onlyThe findings of that study confirm the presence of pharmaceuticals in Detroit River raw waterDrinking water appeared to be free of these compounds
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M arch 2002 ResultM arch 2002 Result B la n k R A W F 1 F 2 A .H .
W e e k s R T Q 1 n g /L n g /L n g /L n g /L n g /L C lo fib ric A c id 1 7 .5 8 1 2 8 N D 1 0 3 N D N D N D Ib u p ro fe n 1 9 .4 9 2 6 3 N D N D N D N D N D A c e t-d 4 * 1 9 .6 8 2 8 4 N D N D N D N D 0 .1 7 A c e ta m in o p h e n 1 9 .7 4 2 8 0 N D N D N D N D N D C a ffe in e 2 7 .3 2 1 9 4 N D N D N D N D N D F lu o x e tin e ** 2 7 .8 3 1 0 4 N D N D N D N D N D C lo ro p h e n e ** 2 9 .9 2 7 5 N D N D N D N D N D N a p ro x e n 3 0 .7 4 2 4 3 N D 6 3 N D N D N D T ric lo s a n 3 1 .2 9 2 0 0 N D N D N D N D N D B is -d 1 4 * 3 2 .0 4 3 6 8 9 0 .6 2 6 6 .6 8 8 0 .1 9 9 1 .4 8 9 3 .5 7 B is p h e n o l A 3 2 .1 3 3 5 7 2 6 N Q N Q N Q N Q E s t-d 4 * 3 6 .1 8 3 4 6 8 4 .3 3 7 7 .2 1 8 2 .1 4 7 4 .6 2 9 0 .7 E s tro n e 3 6 .2 1 3 4 2 N D N D N D N D N D 1 7 B -E s t 3 6 .3 9 2 8 5 N D N D N D N D N D C h o le s te ro l 4 0 .3 3 3 2 9 6 .3 6 .3 6 .3 1 1 .3 1 .8 * % R e c o v e ry o f S u rrog a te S ta nd a rd **N o t Q u a n tita tive
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Average for Compounds in Raw Water Average for Compounds in Raw Water and Filters Effluent, September 2002and Filters Effluent, September 2002
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
Carbamazipine Cotinine Caffeine AtrazineCompound
Con
cent
ratio
n (n
g/L)
Raw Without Ozone With Ozone
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Average for Compounds in Raw Water Average for Compounds in Raw Water and Filters Effluent, April 2002and Filters Effluent, April 2002
0.0
5.0
10.0
15.0
20.0
25.0
Carbamazipine Cotinine Caffeine AtrazineCompound
Con
cent
ratio
n (n
g/L)
Raw W ithout Ozone W ith Ozone
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Average for Compounds in Pilot Plant Raw Average for Compounds in Pilot Plant Raw Water and Filters Effluent, June 2003Water and Filters Effluent, June 2003
0.0
10.0
20.0
30.0
40.0
50.0
60.0
Carbamazipine Cotinine Caffeine AtrazineCom pound
Con
cent
ratio
n (n
g/L)
Raw Without Ozone With Ozone
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Comparison of the Monthly Average Degradation of Comparison of the Monthly Average Degradation of Carbamazepine, Atrazine, Cotinine and Caffeine, Carbamazepine, Atrazine, Cotinine and Caffeine,
using Ozone vs. Conventional Treatment Process using Ozone vs. Conventional Treatment Process (without ozone)(without ozone)
Se pNo v
FebApr
JunCarbamazip ine
Cotin ineCaffeine
Atrazine0
10
2 0
30
4 0
50
6 0
70
80
9 0
100
Degr
adat
ion
(%)
M onth
C ompound
W ith O zo ne W ith out O z one
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New Study PartnersNew Study PartnersWindsor Utilities CommissionAWWARFInternational Joint Commission City of Detroit, MichiganOntario Ministry of the EnvironmentUniversity of WindsorOakland University, Rochester, MIHealth CanadaEarth Tech CanadaCentre of Environmental Health of Ontario
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New Study ObjectivesNew Study ObjectivesObjective 1: Identification and determination of the seasonal river loading and dynamics of major acidic and neutral PPCPs and pesticides in the intakes of the water treatment plants in Windsor and Detroit. Objective 2: Determination of the effect of ozone, pH control, versus conventional drinking water treatment (WUC, City of Windsor, Ontario, Canada; and Detroit Water and Sewerage Department, Detroit, MI, USA)
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Objectives Objectives cont.cont.
Objective 3: Identification of byproducts of ozone treatment of EDCs, PPCPs, and herbicides. Objective 4: Fate and Transport. The fate and transport of the EDCs and PPCPs from their point of discharge to the Detroit River to the raw water intake will be evaluated in this phase of the study.
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Preliminary ResultsPreliminary Results
Initial preliminary results of the new two years project detected nine of 19 (Extended later to 39) target compounds including: sulfamethoxazole, acetaminophen, cephalexin, caffeine, triclosan, naproxen, estradiol, carbamazepine, atrazine and others. Carbamazepine was found at concentrations less than 10 ng/L in raw and treated samples. Atrazine was consistently detected in Detroit raw water at 26-233 ng/L.
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Preliminary ResultsPreliminary Results
Naproxen was found in one raw water sample at approximately 0.2 ng/L. Bisphenol A was detected in two raw water samples and two pilot plant effluents at approximately 35-40 ng/L, but not in full-scale treatment effluent. Diethylstilbestrol was detected in two raw water samples and estimated to have a concentration of 74 ng/L and 78 ng/L.
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ConclusionsConclusionsThe results of this study indicates the presence of certain compounds in Detroit River raw water. Carbamazepine, Cotinine, Atrazine and Caffeine were detected during the sampling period from September 2002 until the end of June 2003.The effect of the ozonation process was noticeable at the post filtration. The level of these compounds was reduced, which is related to the effect of ozone on the removal and degradation of these compounds.
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WALKERTON CLEAN WATER CENTRE
WALKERTON CLEAN WATER WALKERTON CLEAN WATER CENTRECENTRE
Established by the Ontario Government as one of the steps it has taken to ensure clean drinking water
Opened in Walkerton on January 4, 2005
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OUR VISION & OUR GOALOUR VISION & OUR GOAL
To create a world-class institute dedicated to safe and secure drinking water for the people of Ontario.
To become renowned for our knowledge-based, innovative approach to training.
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The Centre has established a Research Advisory Committee. The Centre activities in research will include:
•Advice to the Minister of Environment on research and development priorities.
• Sponsor research;
-Provide Scholarships to Universities, and
-Develop Partnership with research groups
WCWC Research ProgramWCWC Research Program
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WCWC Scholarships
The Walkerton Clean Water Centre announced on February 2, 2006 its scholarship program.Three Scholarships for graduate studies on water quality All universities in Ontario are eligible
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Participation in Participation in ResearchResearch
The Walkerton Clean Water Centre has joined recently a research team to study the effect of membrane filtration on the removal of pharmaceuticals and endocrine disruptors.
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•University of Ottawa; Drs. T. Matsuura (Chemical Engineering, Professor Emeritus), R. Narbaitz (Civil Engineering, Professor and Chairman), A. Tremblay (Chemical Engineering, Professor, Chairman and Director of Industrial Membrane Research Center)
•National University of Singapore; Dr. S. Ramakrishna (MechanicalEngineering, Professor and Dean of the Faculty of Engineering)
•Hyflux Inc.; Dr. Venki (Vice President)
•Ontario Ministry of the Environment; Dr. P. Yang (Laboratory Services)
•Ontario Ministry of the Environment, Dr. Shahram Tabe (Standards Development Branch)
•Walkerton Clean Water Centre: Dr. Saad Jasim (Chief Executive Officer)
Research TeamResearch Team