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题名: Partial oxidation of methane in BaCe0.1Co0.4Fe0.5O3-delta membrane reactor
作者: Li, Qiming1, 2, 3;  Zhu, Xuefeng1;  He, Yufeng1, 2;  Yang, Weishen1
关键词: Membrane reactor ;  POM ;  Perovskite ;  BaCe0.1Co0.4Fe0.5O3-delta ;  Structural stability
刊名: CATALYSIS TODAY
发表日期: 2010-01-15
DOI: 10.1016/j.cattod.2009.03.019
卷: 149, 期:1-2, 页:185-190
收录类别: SCI ;  ISTP
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A new perovskite material, BaCe0.1Co0.4Fe0.5O3-delta used as dense oxygen permeable membrane for partial oxidation of methane (POM) reaction was investigated. In order to improve the synergetic effects between membrane and catalyst, LiLaNiO/gamma-Al2O3 catalyst was directly packed onto the surface of the membrane to carry out POM In BaCe0.1Co0.4Fe0.5O3-delta membrane reactor, high oxygen permeation flux, high CH4 conversion and CO selectivity were obtained. At 950 degrees C, oxygen flux of 9.5 ml cm(-2) min(-1), CH4 conversion of 99% and CO selectivity of 93% were achieved with a membrane thickness of 1.0 min. There was all induction process at the initial stage of POM, which was related to the reduction of NiO to Ni-0 in LiLaNiO/gamma-Al2O3 catalyst Experiments illustrated that higher reaction temperature would shorten the induction time. During continuously operating for 1000 h at 875 degrees C, no degradation of performance of the membrane reaction was observed. SEM characterization also demonstrated that the membrane disc maintained an integral structure without any cracks after long-term operation. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: OXYGEN PERMEABLE MEMBRANE ;  SYNTHESIS GAS ;  CERAMIC MEMBRANES ;  SYNGAS ;  PERMEATION ;  CATALYSTS ;  CO ;  CONDUCTORS ;  H-2
语种: 英语
WOS记录号: WOS:000274145600029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142003
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.Chinese Acad Sci, Grad Sch, Beijing 10039, Peoples R China
3.Liaoning Shihua Univ, Coll Petrochem Engn, Fushun 113001, Peoples R China

Recommended Citation:
Li, Qiming,Zhu, Xuefeng,He, Yufeng,et al. Partial oxidation of methane in BaCe0.1Co0.4Fe0.5O3-delta membrane reactor[J]. CATALYSIS TODAY,2010,149(1-2):185-190.
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