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题名: Mixed-gas CO2/CH4 and CO2/N-2 separation with sulfonated PEEK membranes
作者: Khan, Asim Laeeq2;  Li, Xianfeng1;  Vankelecom, Ivo F. J.2
关键词: Poly(ether ether ketone) ;  Gas separation ;  Sulfonation ;  Plasticization
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2011-04-15
DOI: 10.1016/j.memsci.2011.01.056
卷: 372, 期:1-2, 页:87-96
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 paper describes the performance of sulfonated aromatic poly(ether ether ketone) (S-PEEK) membranes, directly prepared from the sulfonated monomer, for CO2 separation from gas mixtures containing N-2 or CH4. Dense membranes with different degrees of sulfonation were prepared via solvent evaporation. Increasing degree of sulfonation simultaneously improves the permeability and selectivity of both gas pairs. The effect of counterions was investigated by converting S-PEEK membranes from the Na+-form in which they are prepared, to the H+ and multivalent cationic forms. Gas permeability and selectivity for polymers with divalent and trivalent counterions were higher than those for polymers in the monovalent and H+-forms. In order to study the stability and potential industrial application of these membranes, they were tested at different conditions of feed pressure, temperature and CO2 feed concentration. (C) 2011 Elsevier By. All rights reserved.
关键词[WOS]: CONCENTRATED SULFURIC-ACID ;  PROTON-EXCHANGE MEMBRANES ;  SEGMENTED BLOCK-COPOLYMERS ;  MODEL-COMPOUND SULFONATION ;  FILM COMPOSITE MEMBRANES ;  TRANSPORT PROPERTIES ;  ROOM-TEMPERATURE ;  POLYPHENYLENE OXIDE ;  POLYMER MEMBRANES ;  PERMEATION
语种: 英语
WOS记录号: WOS:000289829200010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142701
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, Lab FEMFC Key Mat & Technol, Dalian 116023, Peoples R China
2.Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, Fac Bioengn Sci, B-3001 Louvain, Belgium

Recommended Citation:
Khan, Asim Laeeq,Li, Xianfeng,Vankelecom, Ivo F. J.. Mixed-gas CO2/CH4 and CO2/N-2 separation with sulfonated PEEK membranes[J]. JOURNAL OF MEMBRANE SCIENCE,2011,372(1-2):87-96.
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