标题：
In situ DRIFTS study on the partial oxidation of ethylene over Co-ZSM-5 catalyst
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论文类型：
期刊论文
发表刊物：
CATALYSIS COMMUNICATIONS
收录刊物：
SCIE、EI
卷号：
10
期号：
5
页面范围：
428-432
ISSN号：
1566-7367
关键字：
Ethylene; Partial oxidation; Formate; Active sites; Co-ZSM-5
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.
发表时间：
2009-01-25
学位：博士
职称：副教授
学科：精细化工. 应用化学
所在单位：化工学院