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Effect of Structural and Lattice Oxygen Changes on the Properties of CuO/CeO2 Catalysts for High-Temperature Water-Gas Shift of H-2-rich Coal-Derived Synthesis Gas
Jiang, Li1,2; Zhu, Hongwei2; Razzaq, Rauf2; Li, Chunshan2; Li, Zengxi1
2013
Source PublicationZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS
Volume227Issue:4Pages:371-387
AbstractA series of CeO2-based Cu catalysts was synthesized by the co-precipitation method. BET, N2O decomposition, XRD, TEM, EDS, Raman spectroscopy, H-2-TPR, and XPS were used to characterize the catalysts. The catalytic activity was tested in terms of CO conversion and H-2 selectivity in a H-2-rich coal-derived synthesis gas. The effects of the copper content and the calcination temperature on the catalytic activity were investigated. A strong surface structure-activity relationship in the water-gas shift (WGS) reaction was observed for all the catalyst samples. With increasing CuO loading, the portion of finely dispersed CuO nanoparticles decreased. By contrast, increasing calcination temperature reduced the BET surface area and reducibility, as induced by CuO agglomeration, resulting in a negative effect on H-2 production. The distinctive dependence of the WGS activity on the surface lattice oxygen and active oxygen vacancy of the examined solids was observed and investigated for all the CuO/CeO2 catalysts.
KeywordCuo/ceo2 Catalyst H-2-rich Coal-derived Synthesis Gas Water-gas Shift Lattice Oxygen
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordCEO2-ZRO2 MIXED OXIDES ; CUO-CEO2 CATALYSTS ; COPPER-OXIDE ; OXIDATION ; COPRECIPITATION ; HYDROGEN ; CEO2 ; MICROSTRUCTURE ; PERFORMANCE ; STABILITY
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000320635600002
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13494
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Coll Chem & Chem Engn, Grad Univ, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Li,Zhu, Hongwei,Razzaq, Rauf,et al. Effect of Structural and Lattice Oxygen Changes on the Properties of CuO/CeO2 Catalysts for High-Temperature Water-Gas Shift of H-2-rich Coal-Derived Synthesis Gas[J]. ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS,2013,227(4):371-387.
APA Jiang, Li,Zhu, Hongwei,Razzaq, Rauf,Li, Chunshan,&Li, Zengxi.(2013).Effect of Structural and Lattice Oxygen Changes on the Properties of CuO/CeO2 Catalysts for High-Temperature Water-Gas Shift of H-2-rich Coal-Derived Synthesis Gas.ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS,227(4),371-387.
MLA Jiang, Li,et al."Effect of Structural and Lattice Oxygen Changes on the Properties of CuO/CeO2 Catalysts for High-Temperature Water-Gas Shift of H-2-rich Coal-Derived Synthesis Gas".ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS 227.4(2013):371-387.
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