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Gas separation performance of supported carbon molecular sieve membranes based on soluble polybenzimidazole
Jiao, Wenmei1,2; Ban, Yujie1; Shi, Zixing3; Jiang, Xuesong3; Li, Yanshuo1; Yang, Weishen1
关键词Polybenzimidazole Carbon Molecular Sieve Membrane Gas Separation
刊名JOURNAL OF MEMBRANE SCIENCE
2017-07-01
DOI10.1016/j.memsci.2017.03.022
533页:1-10
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
关键词[WOS]NATURAL-GAS ; ETHYLENE/ETHANE SEPARATION ; PERMEATION PROPERTIES ; POLYIMIDE ; PYROLYSIS ; MATRIMID(R)
英文摘要A poly [2, 2'-(p-oxydiphenylene)-5, 5'-bibenzimidazole] (OPBI) was employed to pyrolyze under an inert Ar atmosphere to produce alumina-supported carbon molecular sieve membranes (CMSMs) for CO2/CH4 gas separation. Pyrolysis temperature was also varied from 550 degrees C to 750 degrees C to tailor the carbon microstructure and then optimize the separation performances of CMSMs. A structure-performance relationship was established that high pyrolysis temperature can promote the generation of a compact and ordered graphite carbon structure and further give rise to a remarkable combinations of separation factor and gas permeability of CMSMs. Much effort has been made to reduce the thickness of CMSMs via lowering the concentration of polymer precursors or increasing the dip-coating withdraw speed. The optimal thinner CMSMs separately prepared from diluted OPBI polymer solution and increased dip-coating withdraw speed revealed a remarkable improvement of CO2 permeance, transcending the Robeson's upper bound of polymer membranes and of great potential in natural gas purifications.
语种英语
WOS记录号WOS:000401122400001
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152286
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
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Jiao, Wenmei,Ban, Yujie,Shi, Zixing,et al. Gas separation performance of supported carbon molecular sieve membranes based on soluble polybenzimidazole[J]. JOURNAL OF MEMBRANE SCIENCE,2017,533:1-10.
APA Jiao, Wenmei,Ban, Yujie,Shi, Zixing,Jiang, Xuesong,Li, Yanshuo,&Yang, Weishen.(2017).Gas separation performance of supported carbon molecular sieve membranes based on soluble polybenzimidazole.JOURNAL OF MEMBRANE SCIENCE,533,1-10.
MLA Jiao, Wenmei,et al."Gas separation performance of supported carbon molecular sieve membranes based on soluble polybenzimidazole".JOURNAL OF MEMBRANE SCIENCE 533(2017):1-10.
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