Thermal stability and surface structure of Mo/CeO2 and Ce-doped Mo/Al2O3 catalysts

被引：0
|
作者：
H. Nasser
Á. Rédey
Tatiana Yuzhakova
J. Kovács
机构：
[1] University of Pannonia,Institutional Department of Environmental Engineering and Chemical Technology
来源：
Journal of Thermal Analysis and Calorimetry | 2009年 / 95卷
关键词：
CO adsorption; DRIFT; molybdena-ceria; TG-DTA;
D O I：
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中图分类号：
学科分类号：
摘要：
In order to explore the influence of CeO2 on the structure and surface characteristics of molybdena, an investigation was undertaken by using N2 adsorption (BET method), thermal analysis and in-situ diffuse reflectance infrared (DRIFT) techniques. In this work, the Mo/CeO2 and Ce-Mo/Al2O3 samples were prepared by impregnation and co-precipitation methods with high Mo loadings. Combining the results one may notice that the presence of ceria led to the increase of polymerized surface Mo species so as to forming Mo-O-Ce linkages besides the formation of coupled O=Mo=O bonds indicative of polymeric MoO3.
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页码：69 / 74
页数：5
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