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Influence of CO2 reforming of CH4 reaction performance by adding vapor on Ni/CeO2-ZrO2-Al2O3 catalyst
Li, CL; Fu, YL; Ming, M; Bian, GZ; Xie, YN; Hu, TD; Zhang, J; Xie YN(谢亚宁); Hu TD(胡天斗); Zhang J(张静)
2004
发表期刊CHINESE JOURNAL OF CHEMICAL PHYSICS
卷号17期号:1页码:#REF!
通讯作者Fu, YL (reprint author), Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China.
文章类型Article
摘要The Ni/CeO2-ZrO2-Al2O3 catalyst was prepared with the hydrothermal method. The catalytic performance for the CO2 reforming of CH4 reaction with or without small amount of steam was tested and the amount of coke deposition was measured. The XAFS of Ni K-edge was attained. The results show that the formation of CeAlO3 occurs in reaction, but the coke deposition is responsible for the deactivation of the catalyst. The addition of steam into feed gas can decrease the amount of coke deposition, and promote the stability. Due to the carbon atom penetration into the Ni lattice, for the catalyst sample after reaction without the addition of steam into feed gas, the coordination number of the first Ni-Ni shell decreases sharply. For the catalyst sample after reaction with the addition of steam in feed gas, the coordination numbers of the first Ni-Ni shell decrease slightly. It is due to the addition of steam into feed gas, which can suppress the coke formation and maintain the metallic structure of active Ni metal.
关键词CO2 reforming of CH4 reaction steam addition Ni/CeO2-ZrO2-Al2O3 catalyst XAFS coke deposit
学科领域Physics
收录类别SCI
WOS类目Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000220151200021
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226103
专题多学科研究中心
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GB/T 7714
Li, CL,Fu, YL,Ming, M,et al. Influence of CO2 reforming of CH4 reaction performance by adding vapor on Ni/CeO2-ZrO2-Al2O3 catalyst[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2004,17(1):#REF!.
APA Li, CL.,Fu, YL.,Ming, M.,Bian, GZ.,Xie, YN.,...&张静.(2004).Influence of CO2 reforming of CH4 reaction performance by adding vapor on Ni/CeO2-ZrO2-Al2O3 catalyst.CHINESE JOURNAL OF CHEMICAL PHYSICS,17(1),#REF!.
MLA Li, CL,et al."Influence of CO2 reforming of CH4 reaction performance by adding vapor on Ni/CeO2-ZrO2-Al2O3 catalyst".CHINESE JOURNAL OF CHEMICAL PHYSICS 17.1(2004):#REF!.
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