Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Effect of γ-ray Irradiation on THMs Formation and Water Quality Characteristics in the Chlorination of Humic Acid Contaming Water

감마선 조사가 휴민산 염소화에 의한 THMs 생성능 및 수질특성에 미치는 영향

  • Kang, Chul-ho (Department of Environmental Science, Jeonju University) ;
  • Lim, Hyun-woo (Department of Environmental Science, Jeonju University) ;
  • Jung, Sung-woon (Department of Environmental Science, Jeonju University) ;
  • Choi, Jong-hyuk (Department of Environmental Science, Jeonju University) ;
  • Kim, Jong-hoon (Specialized Institute of Environmental Health Science) ;
  • Choi, Yong-wook (Specialized Institute of Environmental Health Science) ;
  • Lee, Myun-joo (Radiation Research Center of Industry & Environment, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 강철호 (전주대학교 환경보건학과) ;
  • 임현우 (전주대학교 환경보건학과) ;
  • 정성운 (전주대학교 환경보건학과) ;
  • 최종혁 (전주대학교 환경보건학과) ;
  • 김종훈 (전주대학교 환경보건 전문연구소) ;
  • 최용욱 (전주대학교 환경보건 전문연구소) ;
  • 이면주 (한국원자력연구원 방사선과학연구소)
  • Received : 2010.09.27
  • Accepted : 2010.11.04
  • Published : 2010.11.30
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Abstract

Variation of formation potential of THM (THMFP) by chlorination of humic acid and characteristics of water quality with ${\gamma}$-ray irradiation were investigated, which were divided into two categories by the order of ${\gamma}$-ray irradiation and chlorination in water treatment process. The group A consisted of the ${\gamma}$-ray irradiation followed by chlorination process of humic acid, and the group B consisted of the chlorination followed by ${\gamma}$-ray irradiation process. The pH, ORP, $UV_{254}$, and DOC decreased rapidly with an increase in ${\gamma}$-ray irradiation of 3 kGy. while conductivity was little changed. Maximum degradation ratio of chloroform in THMs of group A was 82%, while that in group B was 69%. No brominated THMs were detected at high irradiation (>3 kGy). We found that group A water treatment process was more effective in lowering the THMFP than that of group B.

Keywords

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