An exploration of novel natural gas leak detection based on the efficient CH4/N2 separation of polymer blend membrane

Qingping Xin, Yucheng Pan, Chao Zhang,Lei Zhang, Chensheng Dong,Ligang Lin,Lizhi Zhao,Hui Ye,Yuzhong Zhang

Separation and Purification Technology（2024）

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摘要

•Pebax/EVA were blended to optimize the separation of CH4/N2.•The change of structure after blending shows the CH4 permeability of 384.6 Barrer.•The CH4/N2 selectivity of blend membrane is increased by 35.5% by blending.•The properties satisfy the requirements of the novel natural gas leak detection.

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关键词

EVA,Pebax,CH4/N2 separation,Natural gas,Blend membranes

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