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논문(論文) : 효과적 공간활용을 위한 Side Stream Plug-Flow Reactor를 이용한 하수 고도처리 공정 적용에 관한 연구
김삼주 ( Sam Ju Kim ),현인환 ( In Hwan Hyun ),독고석 ( Ko Suk Dock ) 대한상하수도학회 2008 상하수도학회지 Vol.22 No.3
This study configured the conventional A2O (Anaerobic-Anoxic-Aerobic bioreactor) system which the fixed media immersed into the anoxic reactor(Named PFR system : Plug Flow Reactor) for evaluating the removal efficiency of nitrogen in the wastewater. The experimental equipment was a cylinder which was consist of 4 pleated PE Pipes(Length 330M, Diameter 100mm) including 2 rope shape media. As a result, the average effluent T-N removal efficiency of the conventional A2O system was 17.9, 40.3, 50.6, 44.6% in each mode, but the average effluent T-N removal efficiency of the PFR system could achieve 38.8, 57.1, 71.8, 65.4% in each mode. It indicated that the PFR system caused to the increasing of C/N ratio that effected to the increasing of the denitrification efficiency. Not only the effective T-N removal efficiency but also the controllable install space will give advantages for retrofitting of the wastewater treatment plant with the conventional treatment system to the PFR system.