Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Performance Evaluation between Alternating Type Process and Recirculating Type Process by using a Mathematical Model

수학적 모델을 활용한 alternating 형태 공정과 recirculating 형태 공정의 성능 평가

  • Kim, Hyosoo (Department of Civil and Environmental Engineering, Pusan National University) ;
  • Kim, Yejin (Department of Civil and Environmental Engineering, Pusan National University) ;
  • Cha, Jaewhan (Department of Civil and Environmental Engineering, Pusan National University) ;
  • Choi, Soojung (Department of Civil and Environmental Engineering, Pusan National University) ;
  • Min, Kyungjin (Taiwha industrial Co., Ltd) ;
  • Kim, Changwon (Department of Civil and Environmental Engineering, Pusan National University)
  • 김효수 (부산대학교 사회환경시스템공학부) ;
  • 김예진 (부산대학교 사회환경시스템공학부) ;
  • 차재환 (부산대학교 사회환경시스템공학부) ;
  • 최수정 (부산대학교 사회환경시스템공학부) ;
  • 민경진 ((주)태화강재산업) ;
  • 김창원 (부산대학교 사회환경시스템공학부)
  • Received : 2009.11.26
  • Accepted : 2009.12.24
  • Published : 2010.01.30
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Abstract

In this research, the performance evaluation between an alternating type process and a recirculating type process was investigated by using mathematical models. The Advanced Phase Isolation Ditch (APID) process and the $A^2/O$ process were selected the target processes of the alternating type and recirculating type, respectively. For more quantitative evaluation, 5 performance indexes which included economy and energy efficiency as well as effluent quality were used, and various disturbance conditions of influent were given to the process models. As simulation results, the APID process which had the specific operation modes to use the organic matter in influent effectively showed higher efficiency of denitrification than the $A^2/O$ process. In the case of effluent TSS, the $A^2/O$ process that the retention time in reactors could be maintained stably was more effective than the APID process. In the cases of various disturbance condition, although it was identified that both two processes had similar effluent quality, the sludge production of the $A^2/O$ process showed lower than that of the APID process while the APID process showed higher energy efficiency.

Keywords

References

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