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김경량 ( Kyumg Ryang Kim ),김선일 ( Sun Il Kim ) 조선대학교 공학기술연구원 2011 공학기술논문지 Vol.4 No.1
In the m membrane bioreactor (MBR) process membrane contamination is one of the major problem which leads to reducreduction of permeation flux efficiency by the increase of TMP (transmembrane pressure). The MBR processes using agglomeration compound were developed in order to reduce the TMP. Fhe aim of research is to investigate the charecteristics of membrane filteration in a submerged membrane bioreactor process by the addition of two coagulants such as Al2(SO4)3 and Fecil3. And their optimal coagulant doses were determined. In addition the e two coagulants showed the positive effects on controlling the TMP. Especially, Addition of Fecl3 coagulation could be a main impacts on nitrogen and phosphorus removal. Moreover, their removal efficiencies were higher than the ordinary MBR process.