Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Formation Characteristics of DBPs by Chlorination in Water Treatment Plant

정수장에서 소독부산물의 생성특성

  • Rhee, Dong-Seok (Department of Environmental Engineering, The University of Kangwon Chuncheon) ;
  • Min, Byoung-Seob (Department of Environmental Engineering, The University of Kangwon Chuncheon) ;
  • Park, Sun-Ku (The National Institute of Environmental Research, Water Quality Research Department) ;
  • Kim, Joung-Hwa (The National Institute of Environmental Research, Water Quality Research Department) ;
  • Rhyu, Jae-Keun (Korea Institute of Environmental Science and Technology)
  • 이동석 (강원대학교 환경공학과) ;
  • 민병섭 (강원대학교 환경공학과) ;
  • 박선구 (국립환경연구원 물환경연구부) ;
  • 김정화 (국립환경연구원 물환경연구부) ;
  • 류재근 (한국환경기술진흥원)
  • Published : 2004.01.30
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Abstract

This study was carried out to investigate the formation of DBPs(Disinfection By-products) such as trihalomethane(THMs) and haloacetic acid(HAAs) by chlorination in raw water and finished water of Water Treatment Plant(WTP). The formation of THMs was increased with the increase of pH and reaction time. HAAs was found as a high formation at a pH 7 and low formation at pH 9. THMFP(Trihalomethane Formation Potential) was the highest formation potential in raw water of Pu-1 and the lowest in raw water of Pa-1. In case of HAAFP(Haloacetic acid formation potential), So-1 showed the highest value, while Pa-1 showed the lowest value. It was investigated the relationship between HAAs and organic matters which were described as DOC(dissolved organic carbon) and $UV_{254}$. In both DOC and $UV_{254}$ versus HAAFP, Pu-1 showed the good correlation coefficients($r^2$) with 0.95 and 0.84, respectively. For three WTP investigated, DBPs(THMs + HAAs) was shown over the range of $42.00{\sim}49.36{\mu}g/L$. This result might be due to the different characteristic of organic matters in raw water and the difference of chlorine dosage for a water treatment.

Keywords

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