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题名: Post-treatment effect on gas separation property of mixed matrix membranes containing metal organic frameworks
作者: Duan, Cuijia1, 2;  Jie, Xingming1;  Liu, Dandan1;  Cao, Yiming1;  Yuan, Quan1
关键词: Mixed matrix membrane ;  Metal organic framework ;  Gas separation ;  Post-treatment
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2014-09-15
DOI: 10.1016/j.memsci.2014.04.024
卷: 466, 页:92-102
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Polymer Science
研究领域[WOS]: Engineering ;  Polymer Science
英文摘要: this work a series of mixed matrix membranes (MMMs) containing metal organic frameworks (MOFs) were fabricated to investigate the influence of post-treatment on their gas separation properties. It was revealed that gas permeabilities increased considerably as treatment temperature increased from 150 degrees C to 180 degrees C and remained almost unchanged after 200 degrees C; gas permeability of MMMs from 200 degrees C treatment was about 3 times higher when compared with MMMs treated at 150 degrees C. From results of physical characterization including TGA, XRD, SEM, ATR-FTIR and nitrogen absorption it was inferred that higher temperature treatment induced gas permeability increase should be mainly attributed to more effective removal of residual solvent in micro-pores of MOFs; and gas permeation properties of MMMs with different treatment durations from 24 h to 96 h further confirmed our conclusion. This heat treatment induced permeability increase phenomenon was further verified by varying the polymer and MOF combinations. At the end Cu-3(BTC)(2)/ODPA-TMPDA MMMs with different MOF loadings were prepared and the one with best performance appeared at 40 wft loading: a dramatic increase of CO2 permeability from 47.7 Barrer to 260.7 Barrer with almost unchanged CO2/CH4 selectivity from 29.26 to 27.75. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: ZEOLITIC IMIDAZOLATE FRAMEWORK ;  COMPOSITE MEMBRANES ;  POLYMERS ;  CO2/CH4
语种: 英语
WOS记录号: WOS:000338392300010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145593
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Duan, Cuijia,Jie, Xingming,Liu, Dandan,et al. Post-treatment effect on gas separation property of mixed matrix membranes containing metal organic frameworks[J]. JOURNAL OF MEMBRANE SCIENCE,2014,466:92-102.
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