한국물환경학회지 (Journal of Korean Society on Water Environment)

  • 제23권2호
  • /
  • Pages.206-215
  • /
  • 2007
  • /
  • 2289-0971(pISSN)
  • /
  • 2289-098X(eISSN)
한국물환경학회 (Korean Society on Water Environment)
권호 표지

시공간 동시분할 공정 시뮬레이션을 통한 질소 및 인 제거 최적화 방안

Optimization of Nitrogen and Phosphorus Removal of Temporal and Spatial Isolation Process by Model Simulation System

  • 유동진 (건국대학교 공과대학 환경공학과) ;
  • 장덕 (건국대학교 공과대학 환경공학과/차세대환경기술센터) ;
  • 신형수 (건국대학교 공과대학 환경공학과) ;
  • 박상민 (건국대학교 공과대학 환경공학과) ;
  • 홍기호 (건국대학교 공과대학 환경공학과) ;
  • 김수영 (건국대학교 공과대학 환경공학과) ;
  • 김명준 (건국대학교 공과대학 환경공학과)
  • Ryu, Dongjin (Department of Environ. Engineering, Konkuk University) ;
  • Chang, Duk (Department of Environ. Engineering, Konkuk University/Innovative Environmental Technology Center) ;
  • Shin, Hyungsoo (Department of Environ. Engineering, Konkuk University) ;
  • Park, Sangmin (Department of Environ. Engineering, Konkuk University) ;
  • Hong, Kiho (Department of Environ. Engineering, Konkuk University) ;
  • Kim, Sooyoung (Department of Environ. Engineering, Konkuk University) ;
  • Kim, Myoungjun (Department of Environ. Engineering, Konkuk University)
  • 투고 : 2006.09.06
  • 심사 : 2007.01.18
  • 발행 : 2007.03.30
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초록

The objective of this study was to establish the optimal system operating strategies for nitrogen and phosphorus removal through model simulation system built for advanced wastewater treatment targeting on simultaneous temporal/special phase isolation BNR process. The simulation system was built with unit process modules using object modules in GPS-X code. The system was well verified by field experiment data. Simulation study was carried out to investigate performance response to design and operation parameters, i.e. hydraulic retention time (HRT), solids retention time (SRT), and cycle time. The process operated at HRTs of 10~15 hours, longer SRTs, and cycle time of 2 hours showed optimal removal of nitrogen. The HRTs of 10~15 hours, SRTs of 20~25 days, and longer cycle time was optimal for phosphorus removal. Both simulation and field studies showed that optimal operating strategies satisfying both the best nitrogen and phosphorus removals include HRTs ranged 10~15 hours, SRTs ranged 20~25 days, and cycle times of 4~8 hours. The simulation system with modularization of generalized components in BNR processes was, therefore, believed to be a powerful tool for establishing optimal strategies of advanced wastewater treatment.

키워드

과제정보

연구 과제 주관 기관 : 서울지역환경기술개발센터

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