Studies on the Rh-Ti/SiO2 Catalysts Prepared by Vapor Deposition Method

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (10): 1451.

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Studies on the Rh-Ti/SiO₂ Catalysts Prepared by Vapor Deposition Method

HU Yun-Hang, WAN Hui-Lin

Chem.Dept., National Lab.for Phys.Chem.of Solid Surface, Xiamen Univ., Xiamen, 361005

Received:1992-12-11 Revised:1993-04-05 Online:1993-10-24 Published:1993-10-24

Abstract

Abstract: Aseries of Rh-Ti/SiO₂ catalysts were prepared by vapor deposition method.The catalysts were characterized by XPS, TPDand their activities of COhydrogenation were tested in a microreactor system.The results show that the Ti content of the catalysts has approximately linear relations with the deposition time of TiCl₄.Although Ti covers some of the active sites on the catalysts surface, it enhances the activity of each active site and the total activities.

Key words: Vapor deposition, Rh/SiO₂, Titanium promoter

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HU Yun-Hang, WAN Hui-Lin . Studies on the Rh-Ti/SiO₂ Catalysts Prepared by Vapor Deposition Method[J]. Chem. J. Chinese Universities, 1993, 14(10): 1451.

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Studies on the Rh-Ti/SiO₂ Catalysts Prepared by Vapor Deposition Method

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