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Partial oxidation of methane in BaCe0.1Co0.4Fe0.5O3-delta membrane reactor
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
2010-01-15
DOI10.1016/j.cattod.2009.03.019
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
关键词[WOS]OXYGEN PERMEABLE MEMBRANE ; SYNTHESIS GAS ; CERAMIC MEMBRANES ; SYNGAS ; PERMEATION ; CATALYSTS ; CO ; CONDUCTORS ; H-2
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.
语种英语
WOS记录号WOS:000274145600029
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142003
专题中国科学院大连化学物理研究所
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
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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.
APA Li, Qiming,Zhu, Xuefeng,He, Yufeng,&Yang, Weishen.(2010).Partial oxidation of methane in BaCe0.1Co0.4Fe0.5O3-delta membrane reactor.CATALYSIS TODAY,149(1-2),185-190.
MLA Li, Qiming,et al."Partial oxidation of methane in BaCe0.1Co0.4Fe0.5O3-delta membrane reactor".CATALYSIS TODAY 149.1-2(2010):185-190.
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