pool desinfection: standards in d, ch and a€¦ · pool desinfection: standards in d, ch and a...
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Pool desinfection:standards in D, CH and A
Thermal baths Competition pools Outdoor pools Leisure pools Hotel spas/saunas
Global Thermal Think Tank
Jürgen Kannewischer, october 4th, 2018
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1. Contents2. 0. presentation Kannewischer
3. 1. german and swiss regulations
4. 2. water treatment
5. 3. water desinfection
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Major contribution to the concept of Caracalla Therme Baden-Baden
First wellness oriented thermal bath in Germany (1985)
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Since 1994 we manage both thermal baths in Baden-Baden
Caracalla Therme Friedrichsbad (1877)
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2004: Start of management contract forKissSalis Therme, Bad Kissingen
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2005: Opening of Spreewald Therme, Burg
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2008: Start of leasehold contract forVitaSol Therme, Bad Salzuflen
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2012: Opening of Emser Therme, Bad Ems
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2012: Opening of our first hotel adjacent to Spreewald Therme
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1. Contents2. 0. presentation Kannewischer
3. 1. german and swiss regulations
4. 2. water treatment
5. 3. water desinfection
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Badekultur und Bäderqualität
International
Switzerland: SIA 385/9
Austria: Ö-Norm (law)
Other regulations (I, F, USA)
Global Thermal Think Tank - Grotta Giusti 114.10.2018
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1. Contents2. 0. presentation Kannewischer
3. 1. german and swiss regulations
4. 2. water treatment
5. 3. water desinfection
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Badekultur und Bäderqualität
The pool forms a functional unit with the treatment unit.
Global Thermal Think Tank - Grotta Giusti 134.10.2018
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Badekultur und Bäderqualität
dirt distribution
Global Thermal Think Tank - Grotta Giusti 144.10.2018
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Spaquality und Poolquality
4.10.2018 Global Thermal Think Tank - Grotta Giusti 15
Poolwatertreatment
Usually highly loaded basin -> ozon
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Badekultur und Bäderqualität
Requirements for pure water and pool water (microbiology)
Global Thermal Think Tank - Grotta Giusti 16
Attention in 100 ml is a sharper requirement than in 1 ml (usually extrapolated)
4.10.2018
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Badekultur und Bäderqualität
Requirements for pure water and pool water (chemical) 1
Global Thermal Think Tank - Grotta Giusti 174.10.2018
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Badekultur und Bäderqualität
Requirements for pure water and pool water (chemical) 2
Global Thermal Think Tank - Grotta Giusti 184.10.2018
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1. Contents2. 0. presentation Kannewischer
3. 1. german and swiss regulations
4. 2. water treatment
5. 3. water desinfection
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Badekultur und Bäderqualität
Displacement system (earlier)
Global Thermal Think Tank - Grotta Giusti 204.10.2018
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Badekultur und Bäderqualität
Horizontal mixing system
Global Thermal Think Tank - Grotta Giusti 214.10.2018
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Badekultur und Bäderqualität
The circulation capacity is calculated over the watersurface (m²)
One assumes a dirt input of 2 g per bathing guest and needs 2 m³ treated pure water for this.
Circulation capacity = factor x watersurface / load factor
Factor = 1 / Spec. Watersurface per bathing guest
3 m³/h per attractionGlobal Thermal Think Tank - Grotta Giusti 224.10.2018
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Badekultur und Bäderqualität
DIN 19643 – desinfection (pools) 1
Global Thermal Think Tank - Grotta Giusti 234.10.2018
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Badekultur und Bäderqualität
DIN 19643 – desinfection (pools) 2
Only the following disinfectants may be used for the disinfection of the water, unless other disinfectants are mentioned in the other standards of the DIN 19643 series. In any case, the restrictions mentioned there must be observed.
11.2.2.2 Chlorine gas according to DIN EN 15363, filled in pressure vessels.
11.2.2.3 Chlorine gas produced at the place of use by electrolysis of sodium chloride solution (saline solution, sea water, brine) or hydrochloric acid.
4.10.2018 Global Thermal Think Tank - Grotta Giusti 24
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Badekultur und Bäderqualität
DIN 19643 – desinfection (pools) 2
11.2.2.4 Sodium hypochlorite solution according to DIN EN 15077. A commercial solution contains 150 g/l chlorine and about 12 g/l sodium hydroxide (NaOH), the pH value of the solution is about pH = 11. During storage the chlorine concentration decreases and the chlorate concentration increases. At a storage temperature of 20 °C, the daily chlorine loss is approx. 1 g/l.
11.2.2.5 Sodium hypochlorite solution, prepared at the place of use by electrolysis of sodium chloride solution (saline solution, sea water or natural brine) or saline water. During storage, the chlorine concentration decreases and the chlorate concentration increases.
4.10.2018 Global Thermal Think Tank - Grotta Giusti 25
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Badekultur und Bäderqualität
DIN 19643 – desinfection (pools) 2
The concentrations of the dosing solution during production by electrolysis on site outside the treatment plant are between 2 g/l and 35 g/l chlorine.
11.2.2.6 Calcium hypochlorite (Ca(OCl)2) in accordance with DIN EN 15796 as granules or in tablet form with a mass content of Ca(OCl)2 of at least 65 % and a mass content of water of 5 % to 10 %.
11.2.2.7 Hypochlorous acid/hypochlorite solution prepared by chlorine electrolysis in in-line operation of chloride-containing filtrate.
4.10.2018 Global Thermal Think Tank - Grotta Giusti 26
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Badekultur und Bäderqualität
4-stufig (Flockung-Ozonung-Mehrschichtfiltration-Chlorung; Teil 3)
Global Thermal Think Tank - Grotta Giusti 27
Belastbarkeitsfaktor k=0,6; entspricht 1,67 m³/h pro Badegast
4.10.2018
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Badekultur und Bäderqualität
5-stufig (Flockung-Filtration-Ozonung-Sorptionsfiltration-Chlorung; Teil 3)
Global Thermal Think Tank - Grotta Giusti 28
Belastbarkeitsfaktor k=0,6; entspricht 1,67 m³/h pro Badegast
4.10.2018
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Badekultur und Bäderqualität
Bonn – Water Park
4.10.2018 Global Thermal Think Tank - Grotta Giusti 29
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Badekultur und Bäderqualität
Chlorine concentration:
Reasons for high chlorine concentrations are:• No / insufficient separation of shoe and barefoot areas
• Guests are not showering
• Low investment in technical equipment
• Liability fears: in order to prove that nobody could become ill, the chlorine concentration is on purpose higher than needed to be on the safe side
Reasons for a low chlorine concentration are:• Comfort of the guests (smell)
• Consciousness for environmental issues
• Health of the guests, e.g. skin irritations, breathing of sportspersons (cough)
• Chemical burden for building and technical equipment
4.10.2018 Global Thermal Think Tank - Grotta Giusti 30
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Badekultur und Bäderqualität
Alternativ: swimming pond
No desinfection-> no hygenical security
4.10.2018 Global Thermal Think Tank - Grotta Giusti 31
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Kannewischer Management AGDr. Stefan Kannewischer
Chamerstrasse 52CH-6300 ZugTel +41-41-726 53 83Fax +41-41-726 53 [email protected]
Kannewischer Ingenieurgesellschaft mbHJürgen Kannewischer
Beuttenmüllerstrasse 30D-76530 Baden-BadenTel +49-7221-9799-0Fax [email protected]
www.kannewischer.com
Kannewischer Passionate. Experienced. Forward looking.
Thermal baths Competition pools Outdoor pools Leisure pools Hotel spas/saunas