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미세 입자 제거를 위한 양전하가 부가된 수처리 필터 제조 및 성능평가
진근호(Geun-Ho Jin),신희수(Hee-Soo Shin),정성학(Sung-Hak Jung),이재근(Jae-Keun Lee),박성은(Sung-Eun Park),박정수(Jung-Su Park),최성규(Sung-Kyu Choy) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
The purpose of this study is to modify the surface charge of filter media positively for capturing negatively charged pollutants such as bacteria and virus from water. The apparatus for manufacturing of the filter media consists of a mixing tank, a vacuum pumping system, an injection nozzle, a roller press and a controller. The filter media is composed of glass fiber (50~750 ㎚), cellulose fiber (10~20 ㎛) and positive charge modifier. The performance evaluation of the charge modified filters is conducted by measuring the surface zeta potential and the filtration efficiency. The zeta potential value and the filtration efficiency of the charge modified filter media are +35 ㎷ at pH 7 and 98% for PSL particles for 0.11 ㎛, respectively.