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Effect of the Preparation Conditions of Ru/CeO2 Catalysts for the Liquid Phase Oxidation of Benzyl Alcohol

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Abstract

Ceria colloidal particles with a mean crystallite size of 2 nm were synthesized by a solvothermal reaction. The Ru/CeO2 catalyst prepared from the CeO2 colloids exhibited higher activity than the catalyst prepared from Ce(NO3)3. Temperature-programmed reduction analysis indicated that the reduction of surface Ce4+ was accelerated by highly dispersed Ru species on the CeO2 particles and occurred at low temperatures. The single component CeO2 sample prepared by the coagulation of the CeO2 colloid was more easily reduced and re-oxidized than the CeO2 sample prepared by the precipitation method from Ce(NO3)3. The higher activity of Ru/CeO2 prepared from the CeO2 colloids came from the inherent nature of the CeO2 support itself.

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Authors and Affiliations

  1. Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan

    Saburo Hosokawa, Yukihiro Hayashi, Seiichiro Imamura, Kenji Wada & Masashi Inoue

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  1. Saburo Hosokawa
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  2. Yukihiro Hayashi
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  3. Seiichiro Imamura
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  4. Kenji Wada
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  5. Masashi Inoue
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Correspondence to Masashi Inoue.

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Hosokawa, S., Hayashi, Y., Imamura, S. et al. Effect of the Preparation Conditions of Ru/CeO2 Catalysts for the Liquid Phase Oxidation of Benzyl Alcohol. Catal Lett 129, 394–399 (2009). https://doi.org/10.1007/s10562-009-9845-x

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  • DOI: https://doi.org/10.1007/s10562-009-9845-x

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