A novel high-flux asymmetric p(VDF–HFP) membrane with a dense skin for ethanol pervaporation
2014
Chen, Jingwen | Huang, He | Zhang, Lin | Zhang, Hongman
An asymmetric p(VDF–HFP) pervaporation membrane with an ultra-thin dense skin layer was fabricated through the controlled solvent evaporation method and the two step-coagulation bath-phase-inversion method. The membrane was used to concentrate ethanol from an aqueous solution. The total flux reached 2.4 kg m⁻² h⁻¹. Ethanol was concentrated from 5.1 wt% to 24.0 wt%.
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