상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제18권1호
  • /
  • Pages.59-65
  • /
  • 2004
  • /
  • 1225-7672(pISSN)
  • /
  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
권호 표지

폐슬러지 감량화 및 재활용을 위한 오존 처리시 하수슬러지내의 미생물 군집구조의 변화

Change of Microbial Community on Ozonation of Sewage Sludge to Reduce Excess Sludge Production

  • 홍준석 (한국과학기술연구원 수질환경 및 복원연구센터) ;
  • 임병란 (한국과학기술연구원 수질환경 및 복원연구센터) ;
  • 안규홍 (한국과학기술연구원 수질환경 및 복원연구센터) ;
  • 맹승규 (한국과학기술연구원 수질환경 및 복원연구센터)
  • 투고 : 2003.10.22
  • 심사 : 2004.01.12
  • 발행 : 2004.02.15
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초록

The change of the microbial community structure in excess sludge of different sewage treatment plants by ozone treatment was investigated by quinone profiles. The resulting ozone dosage ranged from 0.1 to $0.4gO_3/gTS$. In terms of overall sludge reduction, more than 50% reduction of the total sludge mass could be achieved by ozone treatment at $0.4gO_3/gTS$. Quinone concentration and type in sludge of different treatment plants were remarkably decreases with increasing ozone dose. Ubiquinones(UQs)-8, -10 and MK-8 were still remained in the ozonized sludge at $0.4gO_3/gTS$. The results of this study showed that the remaining microorganisms belong to UQs-8, -10 and MK-8 were difficult to destruct cell membrane or wall by ozonation. Fecal Streptococci and Salmonella were not detected at ozone dose of $0.2gO_3/gTS$, but Fecal Coliform was not detected at ozone dose of $0.4gO_3/gTS$.

키워드

참고문헌

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