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Composite membrane based on ionic conductor and mixed conductor for oxygen permeation
Zhu, Xuefeng; Yang, Weishen; Yang WS(杨维慎); Yang WS(杨维慎)
关键词Composite Membrane Ceria Oxygen Separation Ceramic Membrane Syngas
刊名AICHE JOURNAL
2008-03-01
DOI10.1002/aic.11410
54期:3页:665-672
收录类别SCI
文章类型Article
部门归属5
项目归属504
产权排名1;1
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]DENSE CERAMIC MEMBRANES ; PEROVSKITE-TYPE OXIDES ; PARTIAL OXIDATION ; METHANE CONVERSION ; SYNGAS ; PERMEABILITY ; TRANSPORT ; REACTORS ; GAS
英文摘要A composite membrane, which comprises of one fluorite oxide phase (Ce0.8Gd0.2O1.9) for oxygen ionic transport and one perovskite oxide phase (Gd0.2Sr0.8FeO3-delta) for both oxygen ionic and electronic transport, was investigated. XRD results revealed that the two oxides are compatible and showed good oxygen permeation stability at 950 C (more than 1100 h). Oxygen flux of the composite membrane was two times higher than that of the Gd0.2Sr0.8FeO3-delta mixed conducting membrane at the same conditions. At steady state, oxygen flux of a 0.5 mm membrane was 0.80 ml/(cm(2) min) under oxygen partial pressure gradient of air/He and similar to 5.0 ml/(cm(2) min) for syngas production at 950 degrees C, respectively. After similar to 440 h operation under syngas conditions, SEM analysis revealed that the syngas side of the membrane still kept dense and the EDX showed the transfer of elements occurred in the depth of a few microns. (c) 2008 American Institute of Chemical Engineers.
语种英语
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WOS记录号WOS:000253345300008
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被引频次:72[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/321008/101027
专题中国科学院大连化学物理研究所
通讯作者Yang WS(杨维慎); Yang WS(杨维慎)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalys, Dalian 116023, Peoples R China
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GB/T 7714
Zhu, Xuefeng,Yang, Weishen,Yang WS,et al. Composite membrane based on ionic conductor and mixed conductor for oxygen permeation[J]. AICHE JOURNAL,2008,54(3):665-672.
APA Zhu, Xuefeng,Yang, Weishen,杨维慎,&杨维慎.(2008).Composite membrane based on ionic conductor and mixed conductor for oxygen permeation.AICHE JOURNAL,54(3),665-672.
MLA Zhu, Xuefeng,et al."Composite membrane based on ionic conductor and mixed conductor for oxygen permeation".AICHE JOURNAL 54.3(2008):665-672.
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