Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Performance Evaluation of Advanced Municipal Wastewater Treatment by Advanced Phase Isolation Ditch (APID) Process

Advanced Phase Isolation Ditch 공정에 의한 하수 고도처리 성능평가

  • An, Sang-Woo (Department of Civil Engineering, Hanyang University) ;
  • Kwak, Sung-Keun (Environmental Business Division, Taiwha Lease Industrial Co., Ltd) ;
  • Yoon, Yung-Han (Environmental Research Department, Korea Institute of Construction Technology) ;
  • Chung, Mu-Keun (Environmental Business Division, Taiwha Lease Industrial Co., Ltd) ;
  • Park, Jae-Roh (Environmental Research Department, Korea Institute of Construction Technology) ;
  • Park, Jae-Woo (Department of Civil Engineering, Hanyang University)
  • 안상우 (한양대학교 토목공학과) ;
  • 곽성근 (태화강재산업(주)) ;
  • 윤영한 (한국건설기술연구원 국토환경연구부) ;
  • 정무근 (태화강재산업(주)) ;
  • 박재로 (한국건설기술연구원 국토환경연구부) ;
  • 박재우 (한양대학교 토목공학과)
  • Received : 2007.11.13
  • Accepted : 2008.08.26
  • Published : 2008.09.30
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Abstract

Advanced Phase Isolation Ditch (APID) process was studied to develop economic retrofitting technology, for the plants where retrofitting of common activated sludge process is required. In this study, to evaluate the effluent BOD, SS, T-N, and T-P concentrations as process capable and stable parameters for treating municipal wastewater, a demonstration plant was installed and operated in the existing sewage treatment plant of P city. During this study, the average effluent BOD, SS, T-N, and T-P concentrations were 4.56, 5.20, 9.30, and 1.75 mg/L at the conventional mode and 3.95, 3.17, 7.65, and 1.18 mg/L at the modified mode. The modified mode (BOD: 3.69, SS: 3.19, T-N: 1.27, and T-P: 0.69) increased the process capability more than the conventional mode (BOD: 1.80, SS: 1.05, T-N: 2.17, and T-P: 0.15) in this study. If process capability over 1.0, this process is capable and stable to treat wastewater. Therefore, newly developed APID process with modified intermittent aeration mode can be one of the useful processes for stable organic matter and nutrients removal.

Keywords

References

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