High loading and high-selectivity H-2 purification using SBC@ZIF based thin film composite hollow fiber membranes

doi:10.1016/j.memsci.2021.119191

中山醫學大學機構典藏 CSMUIR > 中山醫學大學研究成果 > 期刊論文 > Item 310902500/23940

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题名:	High loading and high-selectivity H-2 purification using SBC@ZIF based thin film composite hollow fiber membranes
作者:	Lai, WH;Wey, MY;Tseng, HH
关键词:	ZIF-8;Mixed matrix;Thin-film composite;Hydrogen separation;Hollow fiber
日期:	2021
上传时间:	2022-08-05T09:45:18Z (UTC)
出版者:	ELSEVIER
ISSN:	0376-7388
摘要:	Membrane-based separation systems have been widely explored for hydrogen production and purification in the development of next-generation fuels. In this work, we propose a thin film composite hollow fiber membrane (TFCHFM) for H-2 purification, incorporating poly(styrene-co-butadiene) copolymers (SBC, 4% butadiene, for flexibility and ease of processing) and ZIF-8 nanoparticles. The TFC was supported on a PEI-based hollow fiber substrate. SBC containing a flexible butadiene segment showed enhanced compatibility through pi-pi interactions. The morphology of ZIF-8 was altered from a cubic shape to a smaller spherical shape by altering the molar ratio of NH4+/Zn2+. The gas separation mechanism of the ZIF-8 based TFC membrane was predicted by the Maxwell model. In the binary gas permeation test (5 vol% H-2), the H-2 permeance and H-2/CH4 selectivity of TFCHFMs were 6.85 GPU and 152.20, respectively, with 50 wt% ZIF-8 loading. We believe that the high loading weight (50 wt% ZIF-8) and H-2/CH4 selectivity presented here are unprecedented for ZIF-8 based TFC membranes reported in the literature.
URI:	http://dx.doi.org/10.1016/j.memsci.2021.119191 https://www.webofscience.com/wos/woscc/full-record/WOS:000629238300001 https://ir.csmu.edu.tw:8080/handle/310902500/23940
關聯:	JOURNAL OF MEMBRANE SCIENCE ,2021,v626
显示于类别:	[中山醫學大學研究成果] 期刊論文

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