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题名: Structure and oxygen permeability of a dual-phase membrane
作者: Wang, HH;  Yang, WS;  Cong, Y;  Zhu, XF;  Lin, YS
关键词: oxygen separation ;  dual-phase ;  Perovskite ;  inorganic membranes ;  mixed-conductor
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2003-10-15
DOI: 10.1016/j.memsci.2003.07.003
卷: 224, 期:1-2, 页:107-115
收录类别: SCI
文章类型: Article
部门归属: 504
项目归属: 504
产权排名: 1;1
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: The dual-phase membrane of La0.15Sr0.85Ga0.3Fe0.7O3-delta-Ba0.5Sr0.5Fe0.2Co0.8O3-delta (LSGF-BSCF) was prepared successfully. This membrane was characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM) and electron probe micro-analyzer (EPMA). This membrane has a dense dual-phase structure: LSGF being the dense body of this membrane and BSCF as another phase running along the LSGF body. This structure is favorable for the oxygen permeation through the membrane. The oxygen permeation test shows that the oxygen permeation flux of LSGF-BSCF membrane (Jo(2) = 0.45 ml/min cm(2), at 915 degreesC) is much higher than that of LSGF membrane (Jo(2) = 0.05 ml/min cm(2)). Thickness dependence of oxygen permeation indicates that the oxygen permeation is controlled by the bulk diffusion. Compared to pure BSCF the dual-phase membrane of LSGF-BSCF is stable in reducing atmosphere. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: LAGAO3 PEROVSKITE OXIDE ;  PARTIAL OXIDATION ;  BISMUTH OXIDE ;  PERMEATING PROPERTY ;  METHANE ;  REACTOR ;  SYNGAS ;  COMPOSITES ;  SEPARATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000186283600009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82965
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Cincinnati, Dept Chem Engn, Cincinnati, OH 45221 USA

Recommended Citation:
Wang, HH,Yang, WS,Cong, Y,et al. Structure and oxygen permeability of a dual-phase membrane[J]. JOURNAL OF MEMBRANE SCIENCE,2003,224(1-2):107-115.
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