Development of point-of-use water disinfection technology using ceramicwater filter and electrochemical hybrid system

Y. J. Yoon; M. H. Kwon; Y. M. Jung; J. H. Moon; J. W. Kang

doi:10.2166/ws.2013.124

Development of point-of-use water disinfection technology using ceramicwater filter and electrochemical hybrid system

Y. J. Yoon, M. H. Kwon, Y. M. Jung, J. H. Moon, J. W. Kang

Division of Environmental Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The efficiency of water disinfection using a ceramic water filter and electrochemical hybrid system was investigated. Escherichia coli O157:H7 was effectively inactivated even when a storage battery, charged using a solar panel device, was used for the electrolysis process. During electrolysis, the rate of microbial inactivation was higher at higher initial Cl^- concentrations. This was because of the higher CT value (the disinfectant concentration, C [mg/L], multiplied by the exposure time, T [min]) of free chlorine. Microorganisms were effectively inactivated under low pH and high temperature conditions. Disinfection by-products, such as trihalomethanes (THMs) and haloacetic acids (HAAs), were below the standard concentrations allowed in drinking water by the US Environmental Protection Agency.

Original language	English
Pages (from-to)	1174-1180
Number of pages	7
Journal	Water Science and Technology: Water Supply
Volume	13
Issue number	4
DOIs	https://doi.org/10.2166/ws.2013.124
Publication status	Published - 2013

All Science Journal Classification (ASJC) codes

Water Science and Technology

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10.2166/ws.2013.124

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title = "Development of point-of-use water disinfection technology using ceramicwater filter and electrochemical hybrid system",

abstract = "The efficiency of water disinfection using a ceramic water filter and electrochemical hybrid system was investigated. Escherichia coli O157:H7 was effectively inactivated even when a storage battery, charged using a solar panel device, was used for the electrolysis process. During electrolysis, the rate of microbial inactivation was higher at higher initial Cl- concentrations. This was because of the higher CT value (the disinfectant concentration, C [mg/L], multiplied by the exposure time, T [min]) of free chlorine. Microorganisms were effectively inactivated under low pH and high temperature conditions. Disinfection by-products, such as trihalomethanes (THMs) and haloacetic acids (HAAs), were below the standard concentrations allowed in drinking water by the US Environmental Protection Agency.",

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