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Removal of VOCs from Water by Vapor Permeation through PU/PDMS Membrane  

임지원 (한남대학교 공과대학 화학공학과)
남상용 (경상대학교 공과대학 고분자공학과, 공학연구)
김영진 (경상대학교 공과대학 고분자공학과, 공학연구)
천세원 (한남대학교 공과대학 화학공학과)
Publication Information
Membrane Journal / v.14, no.2, 2004 , pp. 157-165 More about this Journal
Abstract
PU/PDMS(Poly urethane/poly(dimethylsiloxane ) membranes were prepared to enhance chemical resistance over VOCs from 4,4'-diphenylmethane diisocyanate (MDI), poly(dimethylsiloxane) (PDHS). Swelling characteristics and vapor permeation performance of toluene, 1,2-dichloroethane, hexane through PU/PDMS membrane with various feed VOCs concentration were investigated. Swelling ratio of VOCs showed tendency of Toluene > 1,2-dichloroethane > hexane. Fiux of toluene and 1,2-dichloroethane increased with increasing fled concentration while the flux of hexane maintained with increasing feed. VOCs concentration in permeate maintained 50 wt% oi concentration due to high affinity of PU/PDHS membranes to VOCs.
Keywords
Vapor permeation; VOCs; PU/PDMS membranes;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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