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Research advances in zeolite membranes for pervaporation dehydration of organics in harsh environment
Authors: Jinqu Wang  Jianhua yang  Zan Chen  Dehong yin
Units: State Key Laboratory of Fine Chemical, Institute of Adsorption and Inorganic Membrane, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, PR China
KeyWords: pervaporation; dehydration of acetic acid; polymeric membrane; zeolite membrane; hybrid membrane
ClassificationCode:TQ028.8
year,volume(issue):pagination: 2011,31(3):118-126

Abstract:
Dehydration of organics in harsh conditions is highly demanded in industrials.  Although the pervaporation dehydration of bio-ethanol using NaA zeolite membrane has been industrialized, the dehydration of organics in strong acidic conditions is only at the early-stage in international membrane community, facing key issues being the poor acid resistance and flow flux of the membrane. In the present review the international research advances in development of zeolite membranes for the dehydration of organic mixtures in acidic conditions were summarized. Especially our attempts and achievements in developments of high performance MOR and ZSM-5 zeolite membranes by novel approaches of functional defects repair and micro-structural optimization respectively for pervpaoration dehydration of acetic acid were shown. The future outlook of zeolite membrane for liquid molecular mixtures is also given

Funds:
中央高校基本科研业务费专项资金资助 (DUT10ZD207)。

AuthorIntro:
王金渠(1946-),男,教授,江苏省南通市人,博士生导师,从事吸附与无机膜研究

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