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2009, Volume 3, Issue 4

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Frontiers of Chemical Science and Engineering >> 2009, Volume 3, Issue 4 doi: 10.1007/s11705-009-0011-1

Preparation and characterization of EVAL hollow fiber membrane adsorbents filled with cation exchange resins

1.Key Lab of Hollow Fibre Membrane Materials & Membrane Process (Tianjin Polytechnic University), Ministry of Education, Tianjin 300160, China; 2.College of Material Science and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300160, China;

Available online: 2009-12-05
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Abstract

EVAL hollow fiber membrane adsorbents filled with powder D061-type cation exchange resin were prepared through dry-wet spinning process, using hydrophilic copolymer EVAL as the fiber substrate. The microstructures of the membrane adsorbents were observed, and the pure water fluxes, BSA rejection, and static adsorption capacities of membrane adsorbents for BSA were measured. The effect of the resin-filled content on membrane performance has been discussed. The results showed that EVAL hollow fiber membrane adsorbents filled with D061-type cation exchange resins had good adsorption capacity, and the adsorption capacity increased with the quantity of the resin-filled content. The static protein adsorption capacity was 77.14 mg BSA/g membrane adsorbents when D061 resin loading content was 65% at pH 4.5.

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