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Ozone Effect on the Formation of Chlorine Disinfection Byproducts in Water Treatment Process

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한국환경과학회지 (Journal of Environmental Science International)
한국환경과학회 (The Korean Environmental Sciences Society)
초록

The effect of ozone on the formation and the removal of disinfection byproducts(DBPs) of chlorination process was studied to elucidate the performance of water treatment process. The samples of raw water, prechlorination process, and preozonation process were analyzed quantitatively according to the Standard Methods for the Examination of drinking water. As a result, most of total trihalomethanes(THMs) which were formed in prechlorine treatment process was not removed in the preozonation process.
Most of haloacetic acids(HAAs), haloacetonitriles(HANs), and chloral hydrate(CH) was removed in sedimentation and biological activated carbon(BAC) filtration processes. However, DBPs were increased more or less by postchlorine step. In particular, the formation of THMs and HAAs depends on ozone more than chlorine, but, the formation of HANs and CH depends on chlorine more than ozone. The seasonal variation of DBPs concentration for the year needs to be investigated to study the temperature effect because DBPs strongly depend on temperature among various efficient factors.

저자
  • 성낙창(동아대학교 환경공학과) | Nak-Chang Sung Corresponding Author
  • 박현석(부산광역시 상수도사업본부) | Hyun-Seok Park
  • 이성식(동아대학교 화학공학과) | Sung-Sik Lee
  • 이용희(동아대학교 화학과) | Young-Hee Lee
  • 이종팔(동아대학교 화학과) | Jong-Pal Lee
  • 윤태경(동의대학교 환경공학과) | Tae-Kyung Yoon