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题名: In situ DRIFTS study on the partial oxidation of ethylene over Co-ZSM-5 catalyst
作者: Chen, Xiao-Mei1;  Yang, Xue-Feng1;  Zhu, Ai-Min1;  Fan, Hong-Yu1;  Wang, Xin-Kui1;  Xin, Qin2;  Zhou, Xin-Rui3;  Shi, Chuan1, 3
关键词: Ethylene ;  Partial oxidation ;  Formate ;  Active sites ;  Co-ZSM-5
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2009-01-25
DOI: 10.1016/j.catcom.2008.09.028
卷: 10, 期:5, 页:428-432
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The interaction of C(2)H(4) and C(2)H(4) + O(2) with Co-ZSM-5 has been studied by in situ diffuse reflectance infrared fourier transform spectroscopy (DRIFTS). XRD, UV-vis and H(2)-TPR were used for characterizing the Co-ZSM-5 samples. DRIFTS results showed that a partial oxidation of ethylene over Co-ZSM-5 occurred at definite temperatures( >= 250 degrees C) leading to the formation of formate species in the presence or absence of gas phase oxygen. Investigation on active sites in Co-ZSM-5 by using NO as probe molecules revealed that a reduction of Co(3+) to Co(2+) occurred during reaction and Co(3+) (presenting in Co(3)O(4)) were primarily responsible for the oxidation of ethylene. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: CO-H-MFI ;  FT-IR ;  AG CATALYSTS ;  NO REDUCTION ;  ACTIVE-SITES ;  REACTIVITY ;  SCR ;  CH4 ;  COADSORPTION ;  ZEOLITE
语种: 英语
WOS记录号: WOS:000263864900003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141394
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.Dalian Univ Technol, Lab Plasma Phys Chem, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

Recommended Citation:
Chen, Xiao-Mei,Yang, Xue-Feng,Zhu, Ai-Min,et al. In situ DRIFTS study on the partial oxidation of ethylene over Co-ZSM-5 catalyst[J]. CATALYSIS COMMUNICATIONS,2009,10(5):428-432.
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