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Arnel B. Beltran,정욱진,Grace M. Nisola,Eleazer L. Vivas,조원회 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.1
Supported liquid membranes (SLM) composed of oleyl alcohol (OA) and poly(octylmethylsiloxane)(POMS) in microporous flat sheets were investigated for the pervaporation of 1-butanol. Water contact angle and partition coefficients were used to characterize the SLMs. Optimum pervaporation performance was attained at 30 wt% OA SLM wherein high separation factor (a = 279) and total flux (JT = 95.9 g/(m2 h)) were achieved from 2.5% (w/v) 1-butanol/water feed, at 60 8C. In these conditions,27% reduction in JT was observed when fed with model fermentation broths but remained highly selective toward 1-butanol (a = 76.4). SLM stability was demonstrated with <4% LM loss after operation.