期刊
CATALYSIS COMMUNICATIONS
卷 31, 期 -, 页码 21-24出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2012.11.007
关键词
Copper; MCM-41; Selective catalytic reduction; NO
The Cu2+-MCM-41 mesoporous materials with different loadings of copper species in the framework have been prepared by hydrothermal method and characterized by using various physico-chemical methods combined with the selective catalytic reduction of NO by NH3. It has been shown that the particle size of metallic copper formed after hydrogen reduction is much smaller than that in the supported catalysts prepared by impregnation method, and that the SCR activity of catalyst increases obviously with the increase of Cu content to 10 wt.% because of its higher dispersion of copper metal in the mesoporous catalyst even at higher Cu loading. (C) 2012 Elsevier B.V. All rights reserved.
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