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Title: Effect of supports on HDS activity of Au-Pd catalysts
Authors: Gu, Zhonghua
Luo, Laitao
Teng, Meiling
Issue Date: May-2007
Publisher: CSIR
IPC Code: Int. Cl. ⁸ B01J23/44; B01J23/52; C10G25/05
Abstract: The Au-Pd catalysts have been used successfully for thiophene hydrodesulfurization (HDS). The effects of Al₂O₃, TiO₂-Al₂O₃, ZrO₂-Al₂O₃ and CeO2-Al₂O₃ supports on HDS activities of Au-Pd catalysts have been investigated. The results show that Au-Pd catalysts supported on mixed oxide exhibit much higher HDS activity and stability than that of the Au-Pd/Al₂O₃ catalyst. TiO2-Al₂O₃ is the best support among these mixed oxides. As compared with Au-Pd/Al₂O₃ catalyst, Au-Pd/TiO₂-Al₂O₃ catalyst has higher acid density and acid strength, and active surface area to absorb higher amounts of H₂ and CO.
Page(s): 742-747
ISSN: 0376-4710
Appears in Collections:IJC-A Vol.46A(05) [May 2007]

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