Hydrochlorination of acetylene over the Ru-based catalysts treated by plasma under different atmospheres

Baochang MAN (满宝昌); Haiyang ZHANG (张海洋); Chuanming ZHANG (张传明); Xing LI (李星); Hui DAI (戴卉); Feng YU (于锋); Mingyuan ZHU (朱明远); Bin DAI (代斌); Jinli ZHANG (张金利)

doi:10.1088/2058-6272/ab0ee8

Plasma Science and Technology > 2019 > 21(8): 85501-085501. > DOI: 10.1088/2058-6272/ab0ee8

Baochang MAN (满宝昌), Haiyang ZHANG (张海洋), Chuanming ZHANG (张传明), Xing LI (李星), Hui DAI (戴卉), Feng YU (于锋), Mingyuan ZHU (朱明远), Bin DAI (代斌), Jinli ZHANG (张金利). Hydrochlorination of acetylene over the Ru-based catalysts treated by plasma under different atmospheres[J]. Plasma Science and Technology, 2019, 21(8): 85501-085501. DOI: 10.1088/2058-6272/ab0ee8

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Hydrochlorination of acetylene over the Ru-based catalysts treated by plasma under different atmospheres

¹ School of Chemistry and Chemical Engineering of Shihezi University, Shihezi 832000, People’s Republic of China
² Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi 832000, People’s Republic of China
³ School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, People’s Republic of China

Funds: This work was supported by National Natural Science Foundation of China (Nos. 21706167 and 21776179), Fok Ying Tung Education Foundation (161108), the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT_15R46), Yangtze River Scholar Research Project of Shihezi University (No. CJXZ201601), and the Start-Up Foundation for Young Scientists of Shihezi University (RCZX201507).

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Received Date: October 08, 2018
Revised Date: March 07, 2019
Accepted Date: March 11, 2019

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Abstract

Abstract

Ru-based catalysts modified in different atmospheres by plasma technology were prepared to catalyze the acetylene hydrochlorination reaction. The (Ru/AC)-N₂ (AC = activated carbon) catalyst yielded by the plasma modification of Ru/AC catalyst in N₂atmosphere exhibits the best catalytic performance with a stable C₂H₂ conversion of 87.2%; a relative increase of 27.1% in C₂H₂ conversion was achieved compared with that of the untreated Ru/AC catalyst. The results of the analysis revealed that the modification produced a mutual effect between the generated function groups on carrier AC and the active components, which can disperse and yield more active species in the fresh catalysts. These are benefits of enhancing the activity of the catalysts. Moreover, the modification can restrain coke formation and inhibit the loss of active species in the reaction, as well as strengthen the adsorption ability of reactants on the catalysts. These are benefits of improving the catalysts’ performance.
- acetylene hydrochlorination,
- plasma modification,
- different atmosphere,
- Ru species,
- mutual effect

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Hydrochlorination of acetylene over the Ru-based catalysts treated by plasma under different atmospheres