Studies on Ruthenium Used as the Promoter of Co-Mo/Al2O3Catalyst in Hydrodesulfurization

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (12): 1647.

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Studies on Ruthenium Used as the Promoter of Co-Mo/Al₂O₃Catalyst in Hydrodesulfurization

Xiao Feng-shou¹, Xin Qin², Guo Xie-Xian²

1. Department of Chemistry, Jilin University, Changchun, 130023;
2. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian

Received:1990-09-03 Online:1991-12-24 Published:1991-12-24

Abstract

Abstract: Catalytic performance of Ru-Co-Mo/Al₂O₃and Co-Mo/Al₂O₃catalysts in thiophene conversion as a model reaction of hydrodesulfurization has been performed, and it is shown that the conversion of thiophene on Ru-Co-Mo/Al₂O₃catalyst is 2 times of that/on Co-Mo/Al₂O_3.The infrared adsorption of COand NOon the catalysts reveals that the frequencies of COand NOadsorbed on Co, Mo sites of Ru-Co-Mo/Al₂O₃were shifted to low wavenumbers and their intensities were increased, in contrast to those on Co-Mo/Al₂O₃catalyst. It is suggested that some d electrons of ruthenium in Ru-Co-Mo/Al₂Os were transferred into Co, Mo sites, leading to an increase of COand NOadsorption abilities.

Key words: Co-Mo/Al₂O₃, Ru-Co-Mo/Al₂O₃, Hydrodesulfurization, Ruthenium promoter

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Xiao Feng-shou, Xin Qin, Guo Xie-Xian. Studies on Ruthenium Used as the Promoter of Co-Mo/Al₂O₃Catalyst in Hydrodesulfurization[J]. Chem. J. Chinese Universities, 1991, 12(12): 1647.

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Studies on Ruthenium Used as the Promoter of Co-Mo/Al₂O₃Catalyst in Hydrodesulfurization

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