KSBB Journal

  • 제28권2호
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  • Pages.80-85
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  • 2013
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  • 1225-7117(pISSN)
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  • 2288-8268(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
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환경·생태학적 기법을 이용한 혼합폐수 처리장의 생물학적 처리공정 내의 미생물 군집 특성 분석

Analysis of Microbial Community Structure in Biological Wastewater Treatment Process of Mixed Wastewater Treatment Facility using Environmental·Ecological Technique

  • 손형식 (부산대학교 미생물학과) ;
  • 이상준 (부산대학교 미생물학과) ;
  • 손희종 (부산시 상수도사업본부 수질연구소)
  • Son, Hyeng-Sik (Department of Microbiology, Pusan National University) ;
  • Lee, Sang-Joon (Department of Microbiology, Pusan National University) ;
  • Son, Hee-Jong (Water Quality Institute, Busan Water Authority)
  • 투고 : 2013.03.13
  • 심사 : 2013.03.28
  • 발행 : 2013.04.27
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초록

The bacterial community structure in a biological reactor fed influent from a wastewater treatment system was investigated by denaturing gradient gel electrophoresis (DGGE) and in situ hybridization. Sludges were collected from three biological reactors (aerobic, oxic, and anoxic tanks) at the M wastewater treatment facility (WTF). The influent of the MWTF consisted of mixed tannery wastewater (40~65%) and seafood wastewater (35~60%). The treatment processes resulted in a removal efficiency for BOD (biochemical oxygen demand) and COD (chemical oxygen demand) of 83.6~98.2% and 72.8~84.6%, respectively for tannery wastewater than for seafood wastewater resulted in greater survival of biomass in the biological reactors and a higher removal of BOD, COD, and T-N of about 8~18%. In contrast, addition of greater amounts of seafood wastewater decreased the amount of biomass in the bioreactors due to the increasing concentration of chromium from that wastewater and it also. The dominant bacterial species during the high seafood wastewater input period were Burkholderia cepacia (JX901049) and an uncultured bacterium (JF247555), while Pseudomonas geniculata (HQ256559) was dominant during the high tannery wastewater input period. Flavobacteriumsp. BF.107 (FM173271) and Hyphomicrobium zavarzinii (Y14306) were dominant under anoxic conditions.

키워드

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