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Effect of steam in CO2 reforming of CH4 over a Ni/CeO2-ZrO2-Al2O3 catalyst
Li, CL; Fu, YL; 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KINETICS AND CATALYSIS
卷号45期号:5页码:679-683
通讯作者Univ Sci & Technol China, Dept Chem Phys, Anhua 230026, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要CO2 reforming of CH4 was carried out with and without steam over a Ni/CeO2-ZrO2-Al2O3 catalyst. The catalytic performance, amount of carbon deposit and the EXAFS of the Ni K-edge of samples were measured. The results show that when the catalyst is used for CO2 reforming of CH4 without the addition of steam, the catalyst gradually deactivates, however, addition of a small amount of steam to the feed gas can significantly inhibits the deactivation, which is due to the great suppression of coke formation on the catalyst during the reaction. The EXAFS result shows that, maybe due to the penetration of more carbon atoms into the Ni lattice, the coordination number of the nearest Ni-Ni of the sample after the reaction without steam reduces more than that of samples after the reaction with a small amount of steam in the feed gas.
文章类型Article
学科领域Chemistry
DOI10.1023/B:KICA.0000044979.71525.24
研究领域[WOS]Chemistry
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语种英语
WOS类目Chemistry, Physical
WOS记录号WOS:000224886200009
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被引频次:7[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/311005/238254
专题多学科研究中心
实验物理中心
作者单位中国科学院高能物理研究所
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Li, CL,Fu, YL,Bian, GZ,et al. Effect of steam in CO2 reforming of CH4 over a Ni/CeO2-ZrO2-Al2O3 catalyst[J]. KINETICS AND CATALYSIS,2004,45(5):679-683.
APA Li, CL.,Fu, YL.,Bian, GZ.,Xie, YN.,Hu, TD.,...&张静.(2004).Effect of steam in CO2 reforming of CH4 over a Ni/CeO2-ZrO2-Al2O3 catalyst.KINETICS AND CATALYSIS,45(5),679-683.
MLA Li, CL,et al."Effect of steam in CO2 reforming of CH4 over a Ni/CeO2-ZrO2-Al2O3 catalyst".KINETICS AND CATALYSIS 45.5(2004):679-683.
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