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题名: Promoting effect of copper on the catalytic activity of MnO(x)-CeO(2) mixed oxide for complete oxidation of benzene
作者: Tang, Xingfu1;  Xu, Yide1;  Shen, Wenjie1
关键词: MnO(x)-CeO(2) ;  Cu/MnO(x)-CeO(2) ;  Promotion effect ;  Benzene oxidation
刊名: CHEMICAL ENGINEERING JOURNAL
发表日期: 2008-10-15
DOI: 10.1016/j.cej.2008.01.016
卷: 144, 期:2, 页:175-180
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Environmental ;  Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: The promoting effect of copper on the catalytic activity of MnO(x)-CeO(2) for complete oxidation of benzene was investigated. The results showed that the addition of copper could significantly improve the catalytic activity of the mixed oxide and the complete conversion of benzene was achieved at 523 K. Structural analysis by X-ray powder diffraction (XRD) and H(2)-temperature-programmed reduction (H(2)-TPR) Measurements indicated that the copper species was highly dispersed on the surface of the mixed oxide. which greatly promoted the redox properties of the catalyst leading to the at low temperatures. X-ray photoelectron spectra (XPS) and FTIR characterizations of the Cu/MnO(x)-CeO(2) catalyst further revealed that the addition of copper significantly increased the generation of surface O(beta) species and also created more active sites for benzene adsorption. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: VOLATILE ORGANIC-COMPOUNDS ;  AROMATIC-HYDROCARBONS ;  LOW-TEMPERATURES ;  CERIA ;  PERFORMANCE ;  PALLADIUM ;  XPS ;  COPRECIPITATION ;  COMBUSTION ;  ZEOLITES
语种: 英语
WOS记录号: WOS:000260451500003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140804
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Tang, Xingfu,Xu, Yide,Shen, Wenjie. Promoting effect of copper on the catalytic activity of MnO(x)-CeO(2) mixed oxide for complete oxidation of benzene[J]. CHEMICAL ENGINEERING JOURNAL,2008,144(2):175-180.
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