Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Behavior of Soluble Microbial Products by the Internal Recycle Rate in MBR Process

MBR공정에서 내부 반송비에 따른 생물대사성분의 거동

  • Lee, Won-Bae (Department of Environmental Engineering, Yonsei University) ;
  • Cha, Gi-Cheol (Department of Environmental Engineering, Yonsei University) ;
  • Jeong, Tae-Young (Department of Environmental Engineering, Yonsei University) ;
  • Kim, Dong-Jin (Department of Environmental System Engineering, Hallym University) ;
  • Yoo, Ik-Keun (School of Chemical Engineering and Bioengineering, Ulsan University)
  • 이원배 (연세대학교 환경공학부) ;
  • 차기철 (연세대학교 환경공학부) ;
  • 정태영 (연세대학교 환경공학부) ;
  • 김동진 (한림대학교 환경시스템공학부) ;
  • 유익근 (울산대학교 생명화학공학부)
  • Received : 2005.06.27
  • Accepted : 2005.09.07
  • Published : 2005.11.30
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Abstract

A laboratory-scale experiment was conducted to investigate control of soluble microbial products (SMP) by the internal recycle rate in the submerged membrane separation activated sludge process. The internal recycle rate of the reactor RUN 1 and RUN 2 were 100 % and 200 %, respectively. SMP concentration was rapidly accumulated in the reactor (RUN 1). The variation of accumulated SMP concentration was related to the denitrification rate at the beginning experiment however SMP concentration decreased without correlatively to the denitrification rate during long operation time. The microbial kinetic model was rapidly presented in the both microbial growth and extinction in the reactor (RUN 1). In the SMP kinetic model, Internal recycle rate is the lower, value of UAP and BAP which SMP matter were presented low. The study about development of kinetic model is relatively well adjusted to the experiment exception SMP. In the future, SMP formation equation must be thought that continually research is necessary.

Keywords

Acknowledgement

Supported by : 연세대학교

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