Fundamentals of Gas Permeation Through Membranes

Fundamentals of Gas Permeation Through Membranes
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气体透过膜渗透的基础知识

DOI:
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
T. Matsuura
T. Matsuura
中科院分区:
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文献类型:
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作者:
A. Ismail;K. Khulbe;T. Matsuura

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气体渗透是一种根据溶解扩散机制,使用对气体具有选择性渗透性的无孔聚合物膜来分馏气体混合物的技术。膜气体分离过程是由膜两侧的压力差驱动的。膜可以是平板或中空纤维的形式。一般来说,中空纤维是优选的,因为它们在给定的模块体积内实现了更高的有效膜面积。
Gas permeation is a technique for fractionating gas mixtures by using nonporous polymer membranes having a selective permeability to gas according to a dissolution–diffusion mechanism. The membrane gas separation process is driven by a pressure difference across the membrane. The membrane may be either in the form of a flat sheet or a hollow fiber. In general, hollow fibers are preferred as they achieve a higher effective membrane area within a given module volume.