期刊
FUEL
卷 164, 期 -, 页码 191-198出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2015.09.082
关键词
CuO/ZnO/Al2O3 catalyst; Combustion synthesis; CO2 hydrogenation; Methanol
资金
- Natural Science Foundation of Zhejiang Province [Y16B030031]
- National Natural Science Foundation of China [21073159, 90610002, Z406142]
- Ministry of Science and Technology of China through the National Key Project of Fundamental Research [2007CB210207]
A series of CuO/ZnO/Al2O3 catalysts were prepared via a direct combustion of Cu nitrate, Zn and Al acetate with citric acid, oxalic acid or urea as fuel. The combustion processes were monitored by thermogravimetry differential scanning calorimeter. Characterizations disclosed that the physicochemical properties of these catalysts depended strongly on the type and amount of fuel. CuO/ZnO/Al2O3 catalyst using citric acid as fuel has a larger surface area, higher CuO dispersion, and the exposed Cu surface area increased with the increasing molar ratio of citric acid/salts in feed. The performances of these catalysts for CO2 hydrogenation to methanol were compared and discussed with their structure. (C) 2015 Elsevier Ltd. All rights reserved.
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