ION CONTAINING MEMBRANE FOR SEPARATION OF WATER-ETHANOL MIXTURE BY PERVAPORATION

Chinese Journal of Applied Chemistry ›› 1991, Vol. 0 ›› Issue (2): 24-27.

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ION CONTAINING MEMBRANE FOR SEPARATION OF WATER-ETHANOL MIXTURE BY PERVAPORATION

Zhang Keda, Su Ping

Changchun Institute of Applied Chemistry、Academia Sinica, Changchun 130022

Received:1989-12-05 Revised:1990-04-28 Published:1991-04-10 Online:1991-04-10

Abstract

Abstract: An alternative copolymer of vinyl alcohol and maleic acid was synthesized and preparedinto membranes which,on reacting with aqueous solution of BaCl₂,CaCl₂,SrCl₂ and CuSO₄turned into polymer membranes containing metallic ions.In separation of water-ethanol mix-ture by pervaporation the ionic membranes showed better results than pure polymer membraneboth in flux and separation factor.The best one was the membrane containing Ba²⁺.

Key words: pervaporation, polymer membrane, separation of ethanol and water

Zhang Keda, Su Ping. ION CONTAINING MEMBRANE FOR SEPARATION OF WATER-ETHANOL MIXTURE BY PERVAPORATION[J]. Chinese Journal of Applied Chemistry, 1991, 0(2): 24-27.

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ION CONTAINING MEMBRANE FOR SEPARATION OF WATER-ETHANOL MIXTURE BY PERVAPORATION

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