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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2019.1629634
|2 doi
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|a pubmed25n0993.xml
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|a eng
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|a Oh, Chamteut
|e verfasserin
|4 aut
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|a Field demonstration of solar-powered electrocoagulation water treatment system for purifying groundwater contaminated by both total coliforms and arsenic
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.01.2021
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|a Date Revised 28.01.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a People who drink groundwater in rural areas of Southeast Asia are exposed to pathogens and arsenic (As)-related health problems. A water treatment system consisting of electrocoagulation reactors, using iron (Fe) electrodes and a filtration tank, was designed to treat complex contaminated groundwater for drinking. Its applicability was demonstrated near the Red River in Vietnam. The water treatment system reduced 10.3 CFU/mL of total coliform and 376 μg/L of As(III) in the groundwater to 0 CFU/mL and 6.68 μg/L, respectively. Total coliforms were attenuated by Fe(II) infiltration or enmeshed during Fe precipitate formation. Of the total As, 43% formed As(III) complexation with the Fe precipitates and the other 57% was oxidized to As(V) then adsorbed to Fe precipitates. The Fe precipitates, containing total coliforms and As, were separated from the discharge water in the filtration tank. The system required 49 W of power to operate, which equates to 423 kWh/year, to continuously purify 0.5 t water/day. This requirement was powered by a 380-750 W solar panel, without external energy supply, making the water treatment system an appropriate option for addressing drinking water problems in rural areas
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|a Journal Article
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|a Electrocoagulation
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|a arsenic
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|a drinking water
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|a groundwater
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|a total coliforms
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|a Water Pollutants, Chemical
|2 NLM
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|a Arsenic
|2 NLM
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|a N712M78A8G
|2 NLM
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1 |
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|a Pak, Seungil
|e verfasserin
|4 aut
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1 |
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|a Han, Young-Soo
|e verfasserin
|4 aut
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|a Ha, Nguyen Thi Hoang
|e verfasserin
|4 aut
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|a Hong, Moonil
|e verfasserin
|4 aut
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|a Ji, Sangwoo
|e verfasserin
|4 aut
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|i Enthalten in
|t Environmental technology
|d 1993
|g 42(2021), 3 vom: 10. Jan., Seite 397-409
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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|g volume:42
|g year:2021
|g number:3
|g day:10
|g month:01
|g pages:397-409
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|u http://dx.doi.org/10.1080/09593330.2019.1629634
|3 Volltext
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