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논문 기본 정보

자료유형
학술저널
저자정보
백영석 ([재]한국환경수도연구소) 송민형 ([재]한국환경수도연구소) 정경훈 ([재]한국환경수도연구소) 권동식 ([재]한국환경수도연구소) 이기공 ([재]한국환경수도연구소)
저널정보
한국물환경학회 수질보전 수질보전 제20권 제3호
발행연도
2004.1
수록면
275 - 280 (6page)

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This study was performed to investigate the disinfection efficiency and the formation characteristics of disinfection by-products(DBPs) by chlorination in the sewage effluent. The effluent was sampled from the sewage treatment plants operated in the activated sludge process and the advanced sewage process. The type of DBPs investigated were Trihalomethanes(THMs), Dichloroacetonitrile(DCAN), Chloral hydrate(CH), Dichloroacetic acid(DCAA), Trichloroacetic acid(TCAA). Major findings are as follows. First, the optimum injection concentration for chlorination in sewage effluent were found to be in the range $0.5{\sim}1.0mg\;cl_2/L$. Also, It was found that the chlorine dosage in the effluent of activated sludge process was higher than in the effluent of advanced sewage process. Second, the maximum formation concentration of THMs were $12.7{\mu}g/L$. The THMs formation reaction was finished in a short time of several seconds and chloroform was mainly formed. Also, it was found that the concentration of ammonium nitrogen is higher, the concentration of THMs is lower. Third, it was found that DCAA and TCAA were mainly formed as DBPs by disinfection.

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