Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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The Characteristics of Disinfection by-products Occurrence and Speciation in D Water Treatment Processes

D 정수처리장에서 소독부산물 발생 및 종분포 특성

  • Kim, Sung-Joon (Department of Environmental Engineering, Chonbuk National University) ;
  • Kim, Jong-Min (Department of Environmental Engineering, Chonbuk National University) ;
  • Jeon, Yong-Tae (Department of Environmental Engineering, Chonbuk National University) ;
  • Park, Jong-Eun (Department of Environmental Engineering, Chonbuk National University) ;
  • Won, Chan-Hee (Department of Environmental Engineering, Chonbuk National University)
  • Received : 2009.10.20
  • Accepted : 2010.04.13
  • Published : 2010.05.30
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Abstract

Concentrations and speciations of Trihalomethanes (THMs) and Haloacetic acids ($HAA_5$) that can be formed during chlorine disinfection by-product (DBPs) in full-scale drinking water treatment plants were investigated. Jeon-ju D water treatment plant that adopted conventional water treatment processes was chosen for investigation. SUVA values according to water treatment process changes were observed from 1.3 to 2.1. The process average concentrations of THMs was 7.4 ppb, 9.0 ppb and 14.7 ppb respectively, while the average concentrations of $HAA_5$ by each process which are precipitation water, filterater water, treated water, were 15.5 ppb, 14.9 ppb and 25.8 ppb respectively. DBPs concentrations was lower in the winter than summer. The major species of THMs was chloroform and the second highest was bromodichloromethane (BDCM) and the third highest was dibromochloromethane (DBCM). In case of $HAA_5$, the rate of trichloroacetic acid (TCAA) was detected. The species disribution of THMs is related to the change of SUVA and species disribution of $HAA_5$ is related to the concentrations of bromine and injection position of chlorine and injection quantity.

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References

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