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题名: Investigation on the partial oxidation of methane to syngas in a tubular Ba0.5Sr0.5Co0.8Fe0.2O3-delta membrane reactor
作者: Wang, HH;  Cong, Y;  Yang, WS
关键词: ceramic membrane reactor ;  perovskite ;  methane ;  POM ;  syngas
刊名: CATALYSIS TODAY
发表日期: 2003-07-30
DOI: 10.1016/S0920-5861(03)00228-1
卷: 82, 期:1-4, 页:157-166
收录类别: ISTP ;  SCI
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 perovskite material of Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF), with both electronic and ionic conductivity, was synthesized by a combined citrate-EDTA complexing method. The dense membrane tube made of BSCF was fabricated using the plastic extrusion method. The partial oxidation of methane (POM) to syngits was performed in the tubular BSCF membrane reactor packed with a LiLaNiO/gamma-Al2O3 catalyst. The reaction performance of the membrane reactor was investigated as functions of temperature, air flow rate in the shell side and methane concentration in the tube side. The mechanism of POM in the membrane reactor was discussed in detail. It was found that in the tubular membrane reactor, combustion reaction of methane with permeated oxygen took place in the reaction zone close to the surface of the membrane, then followed by steam and CO2 reforming of methane in the middle zone of the tube side. The membrane tube can be operated steadily for 500 h in pure methane with 94% methane conversion and higher than 95% CO selectivity, and higher than 8.0 ml/cm(2) min oxygen permeation flux. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: CERAMIC MEMBRANE ;  SYNTHESIS GAS ;  LILANIO/GAMMA-AL2O3 CATALYST ;  DENSE PEROVSKITE ;  OXIDE MEMBRANES ;  OXYGEN ;  PERFORMANCE ;  PERMEATION ;  ETHANE
语种: 英语
WOS记录号: WOS:000185021000018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139258
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

Recommended Citation:
Wang, HH,Cong, Y,Yang, WS. Investigation on the partial oxidation of methane to syngas in a tubular Ba0.5Sr0.5Co0.8Fe0.2O3-delta membrane reactor[J]. CATALYSIS TODAY,2003,82(1-4):157-166.
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