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PVA에 고정화된 질화세균군에 의한 암모니아성 질소 제거 I. 충진율 및 공기 유입량이 암모니아성 질소제거에 미치는 영향
서근학,김병진,오창섭 한국생물공학회 2001 KSBB Journal Vol.26 No.6
A nitrifier consortium immobilized in polyvinyl alcohol was used to remove ammonia nitrogen from synthetic wastewater in an airlift bioreactor. The minimum aeration rates were 0.4, 0.6, 0.8 and 1.0 vvm for 5, 10, 15 and 20% immobilized bead packing volume fraction, respectively. The efficient packing fraction and the aeration rate for ammonia nitrogen removal were 15% and 2.4 vvm, respectively. With a hydraulic retention time of 0.5hr, the removal rate and the efficiency of ammonia nitrogen removal were 1685 g/㎥$.$day and 48% at an influent ammonia nitrogen concentration of 75 g/㎥.