期刊
CATALYSIS COMMUNICATIONS
卷 40, 期 -, 页码 129-133出版社
ELSEVIER
DOI: 10.1016/j.catcom.2013.06.022
关键词
Ag/SBA-15 catalyst; Dimethyl oxalate; Methyl glycolate; Hydrogenation; Effect of metal crystallite size
资金
- National Basic Research Program of China [2011CBA00508]
- Natural Science Foundation of China [20923004, 21173175]
- Research Fund for the Doctoral Program of Higher Education [20110121130002]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1036]
Ag/SBA-15 catalyst is found to exhibit excellent catalytic activity and long-term stability for the chemoselective hydrogenation of dimethyl oxalate to methyl glycolate. The size of Ag crystallites, which is markedly affected by the Ag loading levels and catalyst pretreatment conditions, is a key factor determining the reaction rate of the structure-sensitive hydrogenation but hardly influenced the product distribution. The best catalytic hydrogenation activity is obtained over the Ag/SBA-15 catalyst with an average Ag crystallite size of around 3.9 nm. (C) 2013 Elsevier B.V. All rights reserved.
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