SE1450114A1 - Metod och anordning för online-monitorering av vattenkvalitet - Google Patents
Metod och anordning för online-monitorering av vattenkvalitet Download PDFInfo
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- SE1450114A1 SE1450114A1 SE1450114A SE1450114A SE1450114A1 SE 1450114 A1 SE1450114 A1 SE 1450114A1 SE 1450114 A SE1450114 A SE 1450114A SE 1450114 A SE1450114 A SE 1450114A SE 1450114 A1 SE1450114 A1 SE 1450114A1
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- C—CHEMISTRY; METALLURGY
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Abstract
En metod för att monitorera kvaliteten hos ett vattenflöde i en ledning, genom att avledaett flöde till en laserpartikelräknare för räkning av partiklar inom ettpartikelstorleksintervall i vattnet, för att kontinuerligt bestämma antalet partiklar inomstorleksintervallet, jämföra antalet med ett referensvärde och ta ett prov av vattnet frånledningen när antalet överstiger ett tröskelvärde, och också avleda ett vattenflöde fränledningen till en enhet som separerar flödet i fraktioner, och ta ett prov av minst en avnämnda fraktioner när antalet överstiger ett tröskelvärde, och också sända en alarrnsignalnär antalet överstiger ett tröskelvärde. När antalet överstiger ett tröskelvärde, behandlas vattnet med ozon.
Description
15 20 25 Konc. ng/l Substans Verkningssätt Kontroll Behandlad Progesteron Horrnon <0,4 <0,4 Simvastatin Lipidsänkande medicin 6,5 <0,1 Sertralin Sedativ medicin <0,1 <0,1 * NSAID, icke-steroidalt antiinflammatoriskt läkemedel Såsom visas i EXEMPEL 6 tillhandahåller föreliggande uppfinningen mycket effektiv metod for att reducera mängden läkemedelsrester i vatten, inte bara i avloppsvatten från kemisk och farmaceutisk industri och från hushåll, utan också i kranvatten som används för dryck, vilket globalt är ett växande problem. Föreliggande uppfinning tillhandahåller därför också en metod for behandling av vatten som flödar i en ledning, genom att bringa vattnet i kontakt med en låg mängd ozon, tex. 0,1 till 5 mg ozon/m3 vatten, under en tidrymd av t.ex. 1 minut till 2 timmar, t.ex. med användning av en blandningskammare såsom beskrivs i den intemationella ansökningen nr. PCT/ SE01/ 01837. I synnerhet kan en sådan metod användas för att reducera restmängder av kemiska substanser, såsom läkemedelsföreningar och rester därav, såväl som andra organiska föreningar, i behandlat avloppsvatten och kommunalt vatten.
EXEMPEL 7 Avloppsvatten behandlades såsom beskrivs i EXEMPEL 6 och antalet kvarvarande mikroorganismer, totalt löst kol och färg uppmätt vid 410 nm bestämdes i obehandlade prover (Kontroll) och i vattenprover efter ozonbehandlingen (Ozonbehandlad). Resultaten visas i tabell 2.
Tabell 2 Antalet bakterier i prov vid Organiskt Färg vid Prover temperaturen kol (mg/l) 410 nm RT 30°C 37°C Kontroll 13* 102 16* 102 15* 102 12,5 0,008 Behandlad 1 0 0 0 10 0,005
Claims (11)
1. l. Metod för att monitorera kvaliteten hos vatten som flödar i en ledning, genom - aVledande av ett Vattenflöde från ledningen till en laserpartikelräknare som kontinuerligt räknar partiklar inom ett partikelstorleksintervall Sn i det avledda vattenflödet, så att ett antal ci" av partiklar inom nämnda storleksintervall per volym vatten bestäms for varje tidpunkt ti, - jämförande av q" med ett tidigare bestämt referensvärde C116 f for antalet partiklar per volym vatten som flödar i ledningen; och - tagande av ett prov av vattnet från ledningen när Ci" överstiger ett förbestämt tröskelvärde TVÅ" under mer än en förbestämd tidslängd tf, - utsändande av en alannsignal när Ci" överstiger ett förbestämt tröskelvärde TV6" under mer än en förbestämd tidslängd tg, kännetecknad av - avledandet av ett vattenflöde från ledningen till en enhet som separerar flödet i en fraktion med högre partikelkoncentration inuti ett partikelstorleksintervall Sn och en fraktion med lägre partikelkoncentration inom partikelstorleksintervall Sn, och - tagandet av minst ett prov av nämnda fraktioner när Ci" överstiger ett förbestämt tröskelvärde TVÅ under mer än en förbestämd tidslängd tg.
2. Metoden enligt patentkrav l, innefattande att sätta ozon till vattnet som flödar i ledningen när Ci" överstiger ett förbestämt tröskelvärde TV; under mer än en förbestämd tidslängd tg.
3. Metoden enligt patentkrav 2, vari vatten som flödar i ledningen bringas i kontakt med ozon vid en koncentration från 0,2 till 5 mg ozon/m3 vatten, under en tidrymd av 5 minuter till 2 timmar. 10 15 20 25 30 28
4. Metoden enligt något av patentkraven 1 till 3, vari enheten som separerar flödet i en fraktion med högre partikelkoncentration inom partikelstorleksintervallet Sn och en fraktion med lägre partikelkoncentration inom partikelstorleksintervallet Sn är en filtreringsenhet med keramiskt membran som separerar flödet i ett perrneatflöde och ett koncentratflöde.
5. Metoden enligt något av patentkraven 1 till 4, vari partikelräknaren kontinuerligt räknar partiklar inom ett partikelstorleksintervall S1 av från 0,1 till 3 um för tillhandahållande av ett antal cl-l av partiklar inom nämnda storleksintervall per volym vatten.
6. Metoden enligt patentkrav 5, innefattande att ta ett prov av filtreringsenhetens perrneatflöde när cl-l överstiger ett förbestämt tröskelvärde TVB1 under mer än en förbestämd tidslängd tå.
7. Metoden enligt något av patentkraven 1 till 6, vari partikelräknaren kontinuerligt räknar partiklar inom ett partikelstorleksintervall S 2 av från 3 till 25 um för tillhandahållande av ett antal cL-Z av partiklar inom nämnda storleksintervall per volym vatten.
8. Metoden enligt patentkrav 7, innefattande att ta ett prov av filtreringsenhetens koncentratflöde när 01-2 överstiger ett forbestämt tröskelvärde TVBZ under mer än en förbestämd tidslängd tš.
9. Metoden enligt något av patentkraven 1 till 8, innefattande att utföra minst en kemisk, biokemisk eller mikrobiologisk analys av ett taget vattenprov.
10. Metoden enligt något av patentkraven 1 till 9, innefattande - kontinuerlig mätning av minst en ytterligare fysikalisk eller kemisk parameter för vattnet, - jämförande av det uppmätta värdet P för den fysikaliska eller kemiska parameter med ett referensvärde Pre f av parametem som tidigare bestämts för vattnet, 29 - utsändande av en alannsignal när P skiljer sig från Pre f med mer än ett förbestämt tröskelvärde A P under mer än en forbestämd tidslängd tP.
11. Metoden enligt patentkrav 10, vari parametem är vald från total halt upplöst material, löst syre, pH, elektrisk konduktivitet, temperatur och turbiditet.
Priority Applications (8)
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SE1450114A SE537489C2 (sv) | 2014-02-03 | 2014-02-03 | Metod och anordning för online-monitorering av vattenkvalitet |
US15/114,536 US10214432B2 (en) | 2014-02-03 | 2015-02-02 | Method and device for online monitoring of water quality |
DK15743984.5T DK3102936T3 (da) | 2014-02-03 | 2015-02-02 | Fremgangsmåde til onlinemonitorering af vandkvalitet |
CA2936692A CA2936692C (en) | 2014-02-03 | 2015-02-02 | Method and device for online monitoring of water quality |
PCT/SE2015/050113 WO2015115995A1 (en) | 2014-02-03 | 2015-02-02 | Method and device for online monitoring of water quality |
EP15743984.5A EP3102936B1 (en) | 2014-02-03 | 2015-02-02 | Method for online monitoring of water quality |
CN201580007059.6A CN106133520B (zh) | 2014-02-03 | 2015-02-02 | 在线监测水质的方法和装置 |
ES15743984T ES2770614T3 (es) | 2014-02-03 | 2015-02-02 | Método para el control en línea de la calidad del agua |
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SE1450114A SE537489C2 (sv) | 2014-02-03 | 2014-02-03 | Metod och anordning för online-monitorering av vattenkvalitet |
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DK (1) | DK3102936T3 (sv) |
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CN117491055B (zh) * | 2023-12-25 | 2024-03-12 | 昆明钏译科技有限公司 | 一种基于大数据智慧侦管控的水处理系统及方法 |
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CN106133520B (zh) | 2018-01-19 |
WO2015115995A1 (en) | 2015-08-06 |
CA2936692C (en) | 2023-03-14 |
CA2936692A1 (en) | 2015-08-06 |
EP3102936A1 (en) | 2016-12-14 |
CN106133520A (zh) | 2016-11-16 |
DK3102936T3 (da) | 2020-02-24 |
ES2770614T3 (es) | 2020-07-02 |
EP3102936A4 (en) | 2017-09-13 |
EP3102936B1 (en) | 2019-12-18 |
US20160340204A1 (en) | 2016-11-24 |
SE537489C2 (sv) | 2015-05-19 |
US10214432B2 (en) | 2019-02-26 |
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