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题名: A novel process for converting coalmine-drained methane gas to syngas over nickel-magnesia solid solution catalysts
作者: Xu, DY;  Li, WZ;  Ge, QJ;  Xu, HY
通讯作者: 李文钊
关键词: catalytic partial oxidation ;  CO2 reforming ;  coalmine-drained methane ;  synthesis gas ;  NiO/MgO ;  solid solution
刊名: FUEL PROCESSING TECHNOLOGY
发表日期: 2005-05-25
DOI: 10.1016/j.fuproc.2004.11.014
卷: 86, 期:9, 页:995-1006
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 801
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: A novel process is developed in this paper for utilizing the coalmine-drained methane gas that is usually vented straight into the atmosphere in most coalmines worldwide. It is expected that low-cost syngas can be produced by the combined air partial oxidation and CO2 reforming of methane, because this process utilizes directly the methane, air, and carbon dioxide in the coalmine-drained gas without going through the separation step. For this purpose, a nickel-magnesia solid solution catalyst was prepared and its catalytic performance for the proposed process was investigated. It was found that calcination temperature has significant influence on the catalytic performance due to the different extent of solid solution formation in the catalysts. A uniform nickel-magnesia solid solution catalyst exhibits higher stability than the catalysts in which NiO has not completely formed solid solution with MgO. Its catalytic activity and selectivity remain stable during 120 h of reaction. The product H-2/CO ratio is mainly dependent on the feed gas composition. By changing CO2/air ratio of the feed gases, syngas with a H-2/CO ratio between 1 and 1.9 can be obtained. The influences of reaction temperature and nickel loading on the catalytic performance were also investigated. (c) 2004 Elsevier B.V All rights reserved.
关键词[WOS]: SUPPORTED NI CATALYSTS ;  PARTIAL OXIDATION ;  CARBON-DIOXIDE ;  MGO ;  CONVERSION ;  OXIDE ;  PERFORMANCE ;  MONOXIDE ;  HYDROGEN ;  NITROGEN
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000229346700004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92193
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, Lab Nat Gas Utilizat & Appl Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Xu, DY,Li, WZ,Ge, QJ,et al. A novel process for converting coalmine-drained methane gas to syngas over nickel-magnesia solid solution catalysts[J]. FUEL PROCESSING TECHNOLOGY,2005,86(9):995-1006.
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