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상수의 염소처리시 생성되는 소독부산물 중 Haloacetic acid류의 생성능에 관한 연구 -일부 상수원수를 대상으로-

Other Titles
 A Study on Haloacetic Acids Formation Potentials by Chlorination in Drinking Water 
Authors
 정용  ;  신동천  ;  임영욱  ;  김준성  ;  박연신 
Citation
 Korean Journal of Environmental Toxicology, Vol.12(3) : 23-29, 1997 
Journal Title
Korean Journal of Environmental Toxicology(환경독성학회지)
ISSN
 1226-9158 
Issue Date
1997
Abstract
The main reason of applying chlorination is to sterilize microbes existing in the drinking water treatment. But chlorination could lead to the formation of disinfection by-products (DBPs) by the reaction of free chlorine with humic substance in the water. Especially the DBPs including trihalomethanes (THMs), haloacetic acids (HAAs), haloacetonitriles (HANs), and haloketones (HKs) exist in the tap water. The US environmental protection agency (US EPA) defines that trihalomethanes, dichloroacetic acid, trichloroacetic acid, and dichloroacetonitrile among DBPs are probable/possible human carcinogens. US EPA suggests maximum contaminant levels (MCLs) for THMs (80$\mu$g/L) and HAAs (60$\mu$g/L) in drinking water. In Korea, THMs in drinking water has been surveyed but DBPs in general has not been studied in drinking water practically. Therefore only THMs have been regulating as criteria compounds since 1990 but neither HAAs nor HANs. Researches on HAAs are yet to be found. HAA formation potentials(HAAFPs) have not been practiced. HAAs depends on the characteristics of water sources by chlorination. In this study, HAAFPs from three distinct sources were investigated by laboratory chlorination experiments. This study was performed to measure the level of HAAs in drinking water in Seoul area. At April 1996, after collecting the raw waters from the three sites with the different properties, the water samples were chlorinated at various conditions(pH 5.5, pH 7.0 and without pH adjustment) in the state of raw water to have 0. 5mg/L of residual chlorine concentration. And the raw water, treated water, and tap water of water treatment were collected to measure the HAAs concentration. The quantitative analysis of HAAs was conducted by US EPA methods.
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
Yonsei Authors
Shin, Dong Chun(신동천) ORCID logo https://orcid.org/0000-0003-4252-2280
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178065
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