Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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A Comparative Analysis of the Bacterial Growth Kinetic Parameters for Various Biological Nutrient Removal Processes

각종 질소·인 제거공정에서 도출된 미생물 성장 동역학 계수 비교 분석

  • Lim, Se-Ho (School of Civil and Environmental Engineering, Yonsei University) ;
  • Ko, Kwang Baik (School of Civil and Environmental Engineering, Yonsei University) ;
  • Oh, Young-Khee (School of Civil and Environmental Engineering, Yonsei University)
  • 임세호 (연세대학교 공과대학 토목환경공학과 환경공학연구실) ;
  • 고광백 (연세대학교 공과대학 토목환경공학과 환경공학연구실) ;
  • 오영기 (연세대학교 공과대학 토목환경공학과 환경공학연구실)
  • Received : 2004.09.01
  • Accepted : 2004.10.10
  • Published : 2004.11.30
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Abstract

In this study, some of bacterial growth kinetic parameters were delineated and evaluated for the biological nutrient removal processes such as the $A^2/O$, 4stage-BNR, Intermittent Cycle Extended Aeration System(ICEAS) and Intermittently Aerated Cylindrical Oxidation Ditch(IACOD) processes. $Y_H$ values for the ICEAS process ranged from 0.71 to 0.74, and were higher than those for the other processes. It seems to indicated that organic carbons uptaked by microorganism were more used up for cell synthesis rather than for energy components in the ICEAS process. $b_H$ for the ICEAS and IACOD processes were lower than those for $A^2/O$ and 4stage-BNR processes. The $\mu_{max{\cdot}A}$ for the ICEAS was higher than those for the other processes, which indicated that desirable operating conditions for nitrifying bacteria's growth were established.

Keywords

References

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