期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 10, 期 11, 页码 3552-3560出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cy00512f
关键词
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资金
- National Natural Science Foundation of China [21706167, 21776179]
- College Young Teachers Fund of the Fok Ying Tung Education Foundation [161108]
- Program for Young and Middle-aged Scientific and Technological Innovation Leaders in Bingtuan [2018CB013]
- Shihezi University Young Innovative Talents Training Program Project [CXRC201803]
- Major Science and Technology Project of Xinjiang Bingtuan [2017AA007/01]
- Start-Up Foundation for Young Scientists of Shihezi University [RCSX201728]
- China Scholarship Council -Special Program for Talent Training in Western China [201805215035]
With the implementation of the Minamata Convention and the urgent demand for green and efficient mercury-free catalysts, a carbon-supported IPr-(Ru)/AC catalyst was synthesized and assessed for its successful application in acetylene hydrochlorination. The results showed that the interplay between the central Ru and surrounding IPr ensured the stability and high-level dispersion of the active species on the surface of the host; the accelerated electron transfer from the N-heterocycle to Run+ boosted the electron cloud density around the active centres, increasing the relative amount of the active constituents. The delocalisation and transfer of electrons in IPr-(Ru) might synergistically improve the ability of the IPr- and Ru-sections in the catalyst to adsorb and activate H-Cl and C2H2, respectively, thus yielding a significant improvement in the original catalytic activity with respect to its counterpart. In addition, the complexation also greatly slowed down the deactivation of the catalyst and endowed the catalyst with a potential industrial application combined with its impressive stability with respect to the original Ru/AC.
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