Simultaneous N-P Removal of Wastewater with Flow Variation by Anaerobic-Aerobic Activated Sludge Process(I)

혐기-호기 활성슬러지법에 의한 유량변동이 있는 폐수의 N-P 동시 제거에 관한 연구(I)

  • 이민규 (부산수산대학교 화학공학과) ;
  • 서근학 (부산수산대학교 화학공학과)
  • Published : 1995.12.01

Abstract

The treatment performances of anaerobic-aerobic activated sludge process were investigated under various operation conditions. The treatment system proposed in this study gave a relatively stable performance against hourly change of the flow rate and showed a satisfactory removal of nitrogen and phosphorus compounds under experimental conditions. The recycle ratio of mixed liquor from aerobic to anaerobic region and peak coefficient primarily controlled the extent of nitrogen removal. The recycle ratio had the optimum values which were determined by the microbial activities of nitrification and denitrification. The behavior of the treatment unit could be simulated by using the kinetic equations and reactor models which considered the treatment units as complete mixing tanks.

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