Studies on Silicious ZSM-5 Filled Silicone Rubber Membranes(Ⅳ)─Effect of Zeolite Particle Size and Silicone Rubber Type on Separation Properties of Ethanol-Water Mixture by Pervaporation

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (9): 1272.

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Studies on Silicious ZSM-5 Filled Silicone Rubber Membranes(Ⅳ)─Effect of Zeolite Particle Size and Silicone Rubber Type on Separation Properties of Ethanol-Water Mixture by Pervaporation

CHEN Xin¹, PING Zheng-Hua¹, DING Ya-Di¹, LONG Ying-Cai²

1. Dept.of Macromolecular Science, Fudan Univ., Shanghai, 200433;
2. Dept.of Chem., Fudan Univ., Shanghai, 200433

Received:1993-09-16 Revised:1993-12-09 Online:1994-09-24 Published:1994-09-24

Abstract

Abstract: The separation properties of ethanol-water mixture through polydimethylsiloxane(PDMS)membranes filled with silicalite-Ⅰtreated under steam, in which the zeolite particle size is 15 μm and 5μm, as well as acid treated silicalite-Ⅰ filled with different type silicone rubber membanes have been studied.The results show that the decrease of zeolite particle size is not favourable to the selectivity of ethanol-water mixture and the separation properties of ethanol-water mixture through different type of silicone rubber membrane filled with acid leached silicalite-Ⅰare related to the property of silicone rubber itself.

Key words: Zeolite silicalite-Ⅰ, Silicone rubber membrane, Particle size, Type, Ethanol-water separation

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CHEN Xin, PING Zheng-Hua, DING Ya-Di, LONG Ying-Cai. Studies on Silicious ZSM-5 Filled Silicone Rubber Membranes(Ⅳ)─Effect of Zeolite Particle Size and Silicone Rubber Type on Separation Properties of Ethanol-Water Mixture by Pervaporation[J]. Chem. J. Chinese Universities, 1994, 15(9): 1272.

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Studies on Silicious ZSM-5 Filled Silicone Rubber Membranes(Ⅳ)─Effect of Zeolite Particle Size and Silicone Rubber Type on Separation Properties of Ethanol-Water Mixture by Pervaporation

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