한국물환경학회지 (Journal of Korean Society on Water Environment)

  • 제27권5호
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  • Pages.646-653
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  • 2011
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  • 2289-0971(pISSN)
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  • 2289-098X(eISSN)
한국물환경학회 (Korean Society on Water Environment)
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Denitrifying PAO와 SBBR-MSBR을 이용한 생물학적영양소제거공정에서 탄소원 절약에 대한 연구

Evaluation of COD Utilization for Biological Nutrient Removal with dPAO in SBBR-MSBR System

  • 이한샘 (고려대학교 대학원 환경공학과) ;
  • 한종훈 (육군3사관학교 화학환경과학과) ;
  • 윤주환 (고려대학교 대학원 환경공학과)
  • Lee, Hansaem (Department of Environmental Engineering, Korea University) ;
  • Han, Jonghun (Korea Amy Academy at Yeong Cheon) ;
  • Yun, Zuwhan (Department of Environmental Engineering, Korea University)
  • 투고 : 2011.05.30
  • 심사 : 2011.08.25
  • 발행 : 2011.09.30
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초록

The combined system of sequencing batch biofilm reactor (SBBR) and membrane SBR (MSBR) was operated with sewage to evaluate the COD utilization for biological nutrient removal (BNR). The SBBR was operated for nitrification reactor, while denitrifying PAO (dPAO) was cultivated in MSBR with anaerobic-anoxic operation. In the SBBR and MSBR system, the enhanced biological phosphorus removal (EBPR) was successfully achieved with higher N removal. The COD utilization in combined SBBR-MSBR system was significantly reduced compared to ordinary BNR (up to 3.1 g SCOD/g (N+P) and 1.6 g SCOD/g (N+P) with different C/N/P ratio). The results suggest that a dPAO process could effectively reduce carbon energy (=COD) requirement. The combination of oxic-SBBR and anaerobic-anoxic MSBR for dPAO utilization could be an attractive alternative to upgrade the process performance in weak sewage.

키워드

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