中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Initiation of oxygen permeation and POM reaction in different mixed conducting ceramic membrane reactors

文献类型:期刊论文

作者Tong, Jianhua; Yang, Weishen; Suda, Hiroyuki; Haraya, Kenji
刊名catalysis today
出版日期2006-10-30
卷号118期号:1-2页码:144-150
关键词oxygen permeation POM reaction ceramic membrane reactor
产权排序1;1
通讯作者佟建华
英文摘要the initiation of oxygen permeation and pom were studied in mixed conducting ceramic membrane reactors. membrane material composition, and catalyst-loading mode were proven to have an important effect on the initiation of oxygen permeation and pom reaction. the initiation time for compositions of ba0.5sr0.5co0.8fe0.2o3-delta (bscfo) and 13aco(0.4)fe(0.4)zr(0.2)o(3-delta) (bcfzo) are 20 and 2 h, respectively. when the catalyst was loaded directly on the membrane surface the oxygen permeation flux increased 8-10-fold of that under air/he gradient. the good pom performance of the methane conversion, higher than 96% and the co selectivity, higher than 95%, was achieved successfully. however, when the catalyst was loaded on a place away from the membrane surface or the catalyst was not loaded, the lower oxygen permeation flux (1-2-fold) and the poor pom performance (the methane conversion is lower than 30% and the co selectivity is lower than 20%) were obtained. the characterization of xrd and sem-eds indicated that the initial process might be finished through initiating the catalyst and adjusting the membrane structure (the formation of a thin coo containing porous layer with a thickness of about 10 mu m). the great increase of oxygen permeation flux can be ascribed to the great decrease of the oxygen partial pressure and the adjustment of the surface structure. (c) 2006 elsevier b.v. all rights reserved.
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]perovskite-type oxides ; partial oxidation ; methane ; syngas ; stability ; permeability ; separation ; conversion
收录类别ISTP ; SCI
原文出处true
语种英语
WOS记录号WOS:000241489700021
公开日期2010-11-30
源URL[http://159.226.238.44/handle/321008/97705]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
作者单位1.Natl Inst Adv Ind Sci & Technol, AIST, Res Inst Innovat Sustainable Chem, Membrane Separat Proc Grp, Tsukuba, Ibaraki 3058565, Japan
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Tong, Jianhua,Yang, Weishen,Suda, Hiroyuki,et al. Initiation of oxygen permeation and POM reaction in different mixed conducting ceramic membrane reactors[J]. catalysis today,2006,118(1-2):144-150.
APA Tong, Jianhua,Yang, Weishen,Suda, Hiroyuki,&Haraya, Kenji.(2006).Initiation of oxygen permeation and POM reaction in different mixed conducting ceramic membrane reactors.catalysis today,118(1-2),144-150.
MLA Tong, Jianhua,et al."Initiation of oxygen permeation and POM reaction in different mixed conducting ceramic membrane reactors".catalysis today 118.1-2(2006):144-150.

入库方式: OAI收割

来源:大连化学物理研究所

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