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题名: Poly(amide-6-b-ethylene oxide)/SAPO-34 mixed matrix membrane for CO2 separation
作者: Zhao, Dan1, 2;  Ren, Jizhong1;  Li, Hui1;  Hua, Kaisheng1;  Deng, Maicun1
关键词: Pebax ;  SAPO-34 ;  mixed matrix membrane ;  CO2 separation
刊名: JOURNAL OF ENERGY CHEMISTRY
发表日期: 2014-03-01
DOI: 10.1016/S2095-4956(14)60140-6
卷: 23, 期:2, 页:227-234
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: In this paper, poly(amide-6-b-ethylene oxide) (Pebax1657)/SAPO-34 mixed matrix membranes (MMMs) were prepared by solvent-evaporation method with acetic acid as a novel solvent. CO2, N-2, CH4 and H-2 permeation properties were investigated, and the physical properties of Pebax/SAPO-34 MMMs were characterized by XRD and SEM. At low SAPO-34 content, it was homogeneously distributed in the Pebax matrix, and then precipitated and agglomerated at high SAPO-34 content. The crystallinity of Pebax phase in Pebax/SAPO-34 MMMs decreased initially and then rebounded as a result of phase separation. With the increase of transmembrane pressure difference, CO2 permeability was enhanced due to the effect of pressure-induced plasticization. Owing to the happening of stratification, the CO2 permeability of Pebax/SAPO-34 MMMs (50 wt% SAPO-34) increased to 338 Barrer from 111 Barrer of pristine Pebax, while the selectivities of CO2/CH4 and CO2/N-2 were almost unchanged. Compared with the pristine Pebax, the gas separation performances of Pebax/SAPO-34 MMMs were remarkably enhanced.
关键词[WOS]: POLY(AMIDE 6-B-ETHYLENE OXIDE) ;  SEGMENTED BLOCK-COPOLYMERS ;  GAS SEPARATION ;  CARBON-DIOXIDE ;  COMPOSITE MEMBRANES ;  SAPO-34 MEMBRANES ;  CO2/CH4 SEPARATIONS ;  POLYMERIC MEMBRANES ;  INORGANIC FILLERS ;  PERMEATION
语种: 英语
WOS记录号: WOS:000334145500014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143187
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, Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhao, Dan,Ren, Jizhong,Li, Hui,et al. Poly(amide-6-b-ethylene oxide)/SAPO-34 mixed matrix membrane for CO2 separation[J]. JOURNAL OF ENERGY CHEMISTRY,2014,23(2):227-234.
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