期刊
CATALYSIS COMMUNICATIONS
卷 54, 期 -, 页码 55-60出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2014.05.022
关键词
Methanation; Carbon dioxide; Supported catalyst; Modification; Stability
资金
- 973 Program of Department of Sciences and Technology China [2013CB632404, 2012AA051501]
- 863 Program of Department of Sciences and Technology China [2013CB632404, 2012AA051501]
- National Natural Science Foundation of China [21373245]
Mg-modified Ni/SiO2 catalysts with different MgO contents were prepared by two impregnation methods. The catalysts prepared by co-impregnation method could show better activity and stability than those prepared by sequential impregnation method. The modification of MgO acted as a key factor in enhancing the capacity of CO2 adsorption and accelerating the activation of CO2. Moreover, modified MgO could also increase Ni species dispersion and suppress the metallic Ni sintering and oxidation. (C) 2014 Elsevier B.V. All rights reserved.
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