One-Step Oxidation of Methanol to Dimethoxymethane on V2O5/CeO2 Catalyst

doi:10.3724/SP.J.1088.2012.11015

Abstract

Abstract: The V₂O₅/CeO₂ catalyst samples were prepared by the sol-gel method and applied in the methanol partly oxidation. The influence of V₂O₅ content on the existing state of vanadia and surface properties as well as the catalytic performance was studied. The results showed that the vanadia was monolayer dispersed with V₂O₅ content was 15%, aggregated as V₂O₅ crystalline with above 20%, and formed CeVO₄ with 30%. The higher dispersion of vanadia can lead to stronger reducibility and more acidic sites, which were closely related to the higher methanol conversion and dimethoxymethane selectivity.

Key words: vanadia, ceria, methanol oxidation, acidity, redox, dimethoxymethane

GUO He-Qin, LI De-Bao, CHEN Cong-Biao, FAN Zhi-Hong, SUN Yu-Han. One-Step Oxidation of Methanol to Dimethoxymethane on V₂O₅/CeO₂ Catalyst[J]. Chinese Journal of Catalysis, 2012, 33(5): 813-818.

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One-Step Oxidation of Methanol to Dimethoxymethane on V₂O₅/CeO₂ Catalyst

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