총인 제거를 위한 상향류 Biobead^® 공정에서 PACl 주입량에 따른 처리특성 = Treatment Characteristics by Treating the PACI using Up-flow Biobead^® Process

다국어 초록 (Multilingual Abstract)

This research investigated whether the direct filtration process(coagulation+upflow filtration with floating filter medium) was an efficient treatment method for phosphorus removal from secondary effluent of municipal wastewater treatment plant. Thus treatment characteristics study was performed such as SS, Turbidity, COD, PO₄-P. The summary of the test is below; When the filtration rate is decreased, SS removal rates are increased with PACl addition. As following the PACl addition molecular rate are increased from 1 to 3, COD removal rate is also increased. Even influent SS concentration is low, SS removal rate was 90%. Due to the reliable removal of SS, COD substance have been removed constantly. It was said that soluble COD was not well removed by PACl. When the filtration rate was 75m/day, PO₄-P removal efficiency was 2.9009Mol ratio+83.597 and the PO₄-P removal efficiency was 2.9009Mol ratio+83.597 at the filtration rate was 150m/day. It can be seen that it had very high correlation as 90.41% and 88.63% respectively.