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Behavior of Natural Organic Matter(NOM), Chlorine Residual, and Disinfection By-Products(DBPs) Formation in Pulsed UV Treated Water

Pulsed UV 처리수에서의 자연유기물질, 잔류염소 및 소독부산물 생성 거동

  • 손진식 (국민대학교 건설시스템공학부) ;
  • 한지희 (국민대학교 건설시스템공학부)
  • Published : 2012.10.15

Abstract

UV technology is widely used in water and wastewater treatment. Many researches have been conducted on microbial disinfection and micro pollutant reduction with UV treatment. However, the study on NOM with UV has limited because low/medium pressure UV lamp is not sufficient to affect refractory organics such as NOM. Pulsed UV treatment using UV flash lamp can be operated in the pulsed mode with much greater peak intensity. The pulse duration is typically in microseconds, whereas the interval between pulses is in the order of milliseconds. The high intensity of pulsed UV would mineralize NOM itself as well as change the characteristics of NOM. Chlorine demand and DBPs formation is affected on the changed amounts and properties of NOM. The objective of this study is to investigate the effect on NOM, chlorine residual, and chlorinated DBPs formation with pulsed UV treatment.

Keywords

References

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