Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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A Study on the Ozoflotation Process for Drinking Water Treatment

Ozoflotation 공정의 정수처리 적용에 관한 연구

  • Kang, Tae Hee (Department of Environmental Engineering, Yonsei University) ;
  • Oh, Byung Soo (Department of Environmental Engineering, Yonsei University) ;
  • Lee, Hoon (International Institute for Water and Wastewater, Korea Water Resources Corporation) ;
  • Byun, Kyu Sik (International Institute for Water and Wastewater, Korea Water Resources Corporation) ;
  • Kwon, Soon Buhm (International Institute for Water and Wastewater, Korea Water Resources Corporation) ;
  • Sohn, Byeong Yong (Hoengseong Regional Office, Korea Water Resources Corporation) ;
  • Ahn, Hyo Won (International Institute for Water and Wastewater, Korea Water Resources Corporation) ;
  • Kang, Joon-Wun (Department of Environmental Engineering, Yonsei University)
  • 강태희 (연세대학교 환경공학과) ;
  • 오병수 (연세대학교 환경공학과) ;
  • 이훈 (한국수자원공사 국제상하수도연구소) ;
  • 변규식 (한국수자원공사 국제상하수도연구소) ;
  • 권순범 (한국수자원공사 국제상하수도연구소) ;
  • 손병용 (한국수자원공사 횡성권 관리단) ;
  • 안효원 (한국수자원공사 국제상하수도연구소) ;
  • 강준원 (연세대학교 환경공학과)
  • Received : 2005.05.20
  • Accepted : 2005.06.15
  • Published : 2005.09.30
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Abstract

Ozone, a powerful oxidant, is widely used to remove microorganisms, pesticides, taste and odor compounds effectively. Dissolved air flotation (OAF) has been known as an economical process for treating algae and low turbid water quality. An ozoflotation system, combining ozone and OAF processes, has a merit which can operate the ozonation and flotation process simultaneously in a single compartment. This study investigated the application of the ozoflotation process for advanced water treatment by carrying out the pilot-plant experiment. During the test, ozone microbubbles were generated through a OAF pump and many kinds of parameters were evaluated under several conditions, such as raw water flow rate and ozone dose. As a result of the test, the optimum operating conditions of ozoflotation were decided to be 1.2 mg/L ozone dose and about 34 minute Hydraulic retention time (HRT). Finally, it could be demonstrated that the ozoflotation system can effectively improve the drinking water quality.

Keywords

Acknowledgement

Grant : DAF 공정을 적용한 고도정수 Hybrid System의 타당성 평가

Supported by : 한국수자원공사

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