Citation:
Chen Xin, Ping Zhenghua, Ding Yadi, Long Yingcai. Silicalite-ⅠFilled PDMS Rubber Membranes for Ethanol-Water Separation[J]. Chinese Journal of Applied Chemistry,
;1994, 11(3): 21-25.
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The crystal structure of silicalite-Ⅰ zeolite could be improved by acid and/or hydrothermal treatments.The adsorption selectivity as well as the separation factor for ethanol-water mixture were found to be increased by such a treatment.Especially,the silicalite-Ⅰ obtained after successive acid and hydrothermal treatments filled polydimethyl-siloxane rubber membranes showed a separation factor for ethanol-water mixture up to 30.
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