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由多孔支撑层和选择性皮层组成的表面涂覆复合膜在醇/水分离中日益受到关注。针对醇/水体系膜分离技术以及膜材料的研究现状,从表面涂覆方法、膜材料选择、复合膜结构稳定性等方面进行综述分析,对复合膜的研究方向进行了展望。
Surface-coated composite membranes consisting of a porous support layer and a selective cortex are gaining increasing attention in alcohol / water separations. In view of the present situation of membrane separation technology of alcohol / water system and membrane materials, the research progress of composite membrane is reviewed from the aspects of surface coating method, membrane material selection and structural stability of composite membrane.