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题名: An in-situ modified sol-gel process for monolith catalyst preparation used in the partial oxidation of methane
作者: Ran, R;  Xiong, GX;  Yang, WS
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2002
DOI: 10.1039/b110820b
卷: 12, 期:6, 页:1854-1859
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: An in-situ modified sol-gel method for the preparation of a Ni-based monolith-supported catalyst is reported. With the presence of a proper amount of plasticizer and binder, and at an optimized pH value, the stable boehmite sol was modified with metal ions (Ni, Li, La) successfully without distinct growth of the particle size. Monolith-supported Ni-based/gamma-Al2O3 catalysts were obtained using the modified sol as the coating medium with several cycles of dip-coating and calcination. Combined BET, SEM-EDS, XRD and H-2-TPR investigations demonstrated that the derived monolith catalysts had a high specific surface area, a relatively homogeneous surface composition, and a high extent of interaction between the active component and the support. These catalysts showed relatively stable catalytic activities for partial oxidation of methane (POM) to syngas under atmospheric pressure. The monolith catalysts prepared by this sol-gel method also demonstrated an improved resistance to sintering and loss of the active component during the reaction process.
关键词[WOS]: METAL-SUPPORT INTERACTIONS ;  SYNTHESIS GAS-FORMATION ;  NIO/GAMMA-AL2O3 CATALYSTS ;  CERAMIC MEMBRANES ;  THERMAL-STABILITY ;  ALUMINA ;  NI/SIO2 ;  SYNGAS ;  DISPERSION ;  REACTORS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000175768600042
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/85691
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:
Ran, R,Xiong, GX,Yang, WS. An in-situ modified sol-gel process for monolith catalyst preparation used in the partial oxidation of methane[J]. JOURNAL OF MATERIALS CHEMISTRY,2002,12(6):1854-1859.
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