期刊
CHINESE JOURNAL OF CATALYSIS
卷 39, 期 11, 页码 1770-1781出版社
SCIENCE PRESS
DOI: 10.1016/S1872-2067(18)63121-3
关键词
Acetylene hydrochlorination; Catalytic activity; Heterogeneous catalysis; Ionic complex; Ruthenium
资金
- National Basic Research Program of China [2012CB720302]
- National Key R&D Program of China [2016YFF0102503]
Herein, we report an excellent, supported Ru(III)-ChCl/AC catalyst with lower Ru content, where the ionic complex ChRuCl(4) serves as the active component for acetylene hydrochlorination. The prepared heterogeneous Ru-10%ChCl/AC catalyst shows excellent activity and long-term stability. In this system, ChCl provides an environment for the ChRuCl(4) to be stabilized as Ru(III), thus suppressing the reduction of the active species and the aggregation of ruthenium species during the reaction. The interaction between reactants and catalyst species was investigated by catalyst characterizations in combination with DFT calculations to disclose the effect of the ChRuCl(4.) complex and ChCI on the catalytic performance. This inexpensive, efficient, and long-term catalyst is a competitive candidate for application in the hydrochlorination industry. (C) 2018, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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