Role of vanadium species in the selective oxidation of ethanol on V2O5/TiO2 catalysts |
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| Authors: | V. I. Sobolev E. V. Danilevich K. Yu. Koltunov |
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| Affiliation: | 1. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
2. Novosibirsk State University, Novosibirsk, 630090, Russia
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| Abstract: | The catalytic properties of a sample of 20% V2O5/TiO2 and its derivative, 12% V2O5/TiO2, which was obtained by the treatment of the catalyst with nitric acid and did not contain bulk V2O5 species, were compared. In spite of a significant difference in the vanadium contents, the activity of both of the samples in the process of the gas-phase aerobic oxidation of ethanol to acetaldehyde and acetic acid was found to be the same. It was hypothesized that a monolayer of vanadium oxide on the surface of TiO2 made the main contribution to the catalytic activity. |
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