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자료유형
학술대회자료
저자정보
Lee, Ki-Sub (Korea Research Institute of Chemical Technology) Park, You-In (Korea Research Institute of Chemical Technology) Yeon, Sun-Hwa (Korea Research Institute of Chemical Technology) Sung, Kyung-Soo (Korea Research Institute of Chemical Technology) Rhim, Ji-Won (Korea Research Institute of Chemical Technology) Lee, Kew-Ho (Hannam University Chemical Engineering)
저널정보
한국막학회 한국막학회 하계 Workshop 한국막학회 2003년도 The 4th Korea-Italy Workshop
발행연도
2003.1
수록면
133 - 135 (3page)

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The removal of dissolved oxygen(DO) from water was studied using a poly(vinyliene fluoride)(PVDF) hollow fiber membrane contactor(HFMC) with the vacuum degassing process(VDP), Asymmetric porous PVDF hollow fiber membranes (HFM) for membrane contactor were prepared by a wet phase inversion method. In spinning of these PVDF hollow fibers, dimethy lacetamide (DMAc), LiCl and pure water were used as a solvent, a pore-forming additive and internal/external coagulant, respectively. The characteristics of the structure(pore size, porosity etc.) of the prepared PVDF HFMs as a function of concentration of pore-forming additive in polymer dope solution were studied. Also, the removal efficiency of DO from water according to flow rates of water, using PVDF HFMC with VDP, was studied. The performance of the asymmetric porous PVDF HFMC and a symmetric porous PP HFMC commercialized were compared. As a result, the asymmetric porous PVDF HFMC showed higher removal efficiency of DO than that of a symmetric porous PP HFMC.

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