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Influence of zirconia promoter on catalytic performance of cobalt catalysts for Fischer-Tropsch synthesis
Zhang, JL; Zhao, HX; Chen, JG; Ren, J; Sun, YH; Xie, YI; Hu, TD; Liu, T; Xie YN(谢亚宁); Hu TD(胡天斗); Liu T(刘涛)
2002
发表期刊CHINESE JOURNAL OF CATALYSIS
卷号23期号:6页码:530-534
通讯作者Chinese Acad Sci, Shanxi Inst Coal Chem, State Key Lab Coal Convers, Shanxi 030001, Peoples R China ; Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要Two series of ZrO2-promoted Co/Al2O3 catalysts were prepared by incipient wetness impregnation method to investigate the effects of zirconia and cobalt loadings on the structure and catalytic performance of cobalt catalysts for Fischer-Tropsch synthesis. It was found that the addition of ZrO2 promoter can distinctly improve CO conversion and C5+ hydrocarbon selectivity, and the loading of ZrO2 promoter seems to have no influence on the catalytic performance of CoZr/Al2O3 catalysts. For the cobalt-based catalysts containing 15% Zr promoter; the catalytic activity firstly enhances and then decreases with increasing loading of metallic cobalt. When the zirconia loading increased from 0% to 20%,the highly-dispersed zirconia existed on the surface of support, and however, the cobalt oxides agglomerated in a certain size. The addition of ZrO2 promoter can increase the amounts of active sites and then result in the formation of interfaces between metallic cobalt and ZrO2 promoter, which promotes the appearance of more CO adsorbed in bridged-mode, and that the CoZr/Al2O3 catalysts are more active than the Co/Al2O3 catalyst.
关键词cobalt-based catalyst alumina zirconia promoter Fischer-Tropsch synthesis
学科领域Chemistry; Engineering
研究领域[WOS]Chemistry ; Engineering ; Chemistry ; Engineering
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语种英语
研究领域[WOS]Chemistry ; Engineering ; Chemistry ; Engineering
WOS类目Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS记录号WOS:000179903200013
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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/311005/237841
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhang, JL,Zhao, HX,Chen, JG,et al. Influence of zirconia promoter on catalytic performance of cobalt catalysts for Fischer-Tropsch synthesis[J]. CHINESE JOURNAL OF CATALYSIS,2002,23(6):530-534.
APA Zhang, JL.,Zhao, HX.,Chen, JG.,Ren, J.,Sun, YH.,...&刘涛.(2002).Influence of zirconia promoter on catalytic performance of cobalt catalysts for Fischer-Tropsch synthesis.CHINESE JOURNAL OF CATALYSIS,23(6),530-534.
MLA Zhang, JL,et al."Influence of zirconia promoter on catalytic performance of cobalt catalysts for Fischer-Tropsch synthesis".CHINESE JOURNAL OF CATALYSIS 23.6(2002):530-534.
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