Thin-film composite hollow fiber membranes for ethylene/ethane separation in gas-liquid membrane contactor

A.O. Malakhov,S.D. Bazhenov,V.P. Vasilevsky,I.L. Borisov,A.A. Ovcharova,A.V. Bildyukevich,V.V. Volkov,L. Giorno,A.V. Volkov

Separation and Purification Technology（2019）

引用 37|浏览10

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摘要

•Novel composite PSf/PTMSP hollow fiber membranes are fabricated.•Ethylene/ethane separation in membrane contactor with aqueous AgNO3 is studied.•Highest ethylene overall permeance (83 GPU) at ethylene recovery of 44% is achieved.•Ethylene overall permeance decreases only by 24% during six months of MC operation.•Membrane and liquid phase resistances are significant and comparable.

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关键词

Ethylene/ethane separation,Membrane contactor,Composite hollow fiber membranes,Poly(1-trimethylsilyl-1-propyne),Silver nitrate,Mass transfer coefficient

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