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Fe-modified CuMnZrO2 catalysts for higher alcohols synthesis from syngas
Xu, R; Yang, C; Wei, W; Li, WH; Sun, YH; Hu, TD; Hu TD(胡天斗)
2004
发表期刊JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷号221期号:1-2页码:#REF!
通讯作者Sun, YH (reprint author), Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China.
文章类型Article
摘要The effect of iron on the structural and catalytic properties of CuMnZrO2 catalysts used for higher alcohols synthesis has been investigated by several techniques (BET, X-ray diffraction (XRD), extended X-ray absorption fine structure (EXAFS), temperature program reduction (TPR), CO-FTIR and CO hydrogenation). It was found that the presence of iron resulted in substantial changes in both structure properties and catalytic performance. The copper dispersion increased and the catalyst stabilization was improved. The role of iron was dependent on the method of catalyst preparation. The co-precipitation method produced highly dispersed copper species, which favored the synthesis of methanol and branched alcohols. However, the wetness impregnation method gave rise to highly dispersed copper and copper-iron phase, which showed a good performance for synthesis of straight-chain alcohols. Such differences in the performance of catalysts could be attributed to the extent of iron oxide-support interaction, which led to the presence of metallic iron phases in the reduced catalyst. (C) 2004 Elsevier B.V. All rights reserved.
关键词CuMnZrO2 catalyst iron promoter preparation method higher alcohols synthesis
学科领域Chemistry
DOI10.1016/j.molcata.2004.07.003
收录类别SCI
WOS类目Chemistry, Physical
WOS记录号WOS:000224328900006
引用统计
被引频次:64[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/311005/225763
专题多学科研究中心
推荐引用方式
GB/T 7714
Xu, R,Yang, C,Wei, W,et al. Fe-modified CuMnZrO2 catalysts for higher alcohols synthesis from syngas[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2004,221(1-2):#REF!.
APA Xu, R.,Yang, C.,Wei, W.,Li, WH.,Sun, YH.,...&胡天斗.(2004).Fe-modified CuMnZrO2 catalysts for higher alcohols synthesis from syngas.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,221(1-2),#REF!.
MLA Xu, R,et al."Fe-modified CuMnZrO2 catalysts for higher alcohols synthesis from syngas".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 221.1-2(2004):#REF!.
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