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Nanosized CuO-ZrxCe1-xOy aerogel catalysts prepared by ethanol supercritical drying for catalytic deep oxidation of benzene
Hu, Chaoquan1,2; Zhu, Qingshan1; Jiang, Zheng1; Zhu, QS
2009-08-25
Source PublicationPOWDER TECHNOLOGY
ISSN0032-5910
Volume194Issue:1-2Pages:109-114
AbstractNanosized CuO-ZrxCe1 - xOy (0 <= x <= 0.5) solid Solution oxide catalysts were prepared using a co-precipitation method followed with ethanol supercritical drying and calcination at 800 degrees C. The structural characteristics and redox behaviors were investigated by using X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman spectroscopy, and temperature programmed reduction (H-2-TPR). The results revealed that the as-prepared samples not only possessed large specific Surface areas, small crystal sizes and high homogeneity of constituents, but also exhibited high catalytic activity for the complete oxidation of benzene. The structural properties and the catalytic performances of the aerogel catalysts strongly depended on the Ce/Zr molar ratio. The most highly active catalyst. CuO-Ce0.5Zr0.5Oy, could oxidize benzene at 300 degrees C and kept robust in a 50 h long-term duration test, implying it would be a good and cost-effective alternative to noble metal catalysts for the complete oxidation of VOCs at lower temperatures. (C) 2009 Elsevier B.V. All rights reserved.
KeywordHeterogeneous Catalysis Vocs Oxidation Cuo-ceo2 Nanocrystal
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.powtec.2009.03.035
Indexed BySCI
Language英语
WOS KeywordTEMPERATURE CO OXIDATION ; MIXED-OXIDE CATALYSTS ; CUO-CEO2 CATALYSTS ; SOLID-SOLUTIONS ; CERIA-ZIRCONIA ; CALCINATION TEMPERATURE ; SELECTIVE OXIDATION ; PR-OXIDES ; CE-ZR ; COMBUSTION
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000267634400014
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6598
Collection多相复杂系统国家重点实验室
Corresponding AuthorZhu, QS
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hu, Chaoquan,Zhu, Qingshan,Jiang, Zheng,et al. Nanosized CuO-ZrxCe1-xOy aerogel catalysts prepared by ethanol supercritical drying for catalytic deep oxidation of benzene[J]. POWDER TECHNOLOGY,2009,194(1-2):109-114.
APA Hu, Chaoquan,Zhu, Qingshan,Jiang, Zheng,&Zhu, QS.(2009).Nanosized CuO-ZrxCe1-xOy aerogel catalysts prepared by ethanol supercritical drying for catalytic deep oxidation of benzene.POWDER TECHNOLOGY,194(1-2),109-114.
MLA Hu, Chaoquan,et al."Nanosized CuO-ZrxCe1-xOy aerogel catalysts prepared by ethanol supercritical drying for catalytic deep oxidation of benzene".POWDER TECHNOLOGY 194.1-2(2009):109-114.
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