VOx/SiO2 with different V/Si atomic ratios have been synthesized by hydrothermal method from alkoxides of vanadium and silicon compounds. The prepared samples are characterized by high specific surface area (300-700 m2/g), uniform nanodispersed distribution of vanadia in silica matrix, the absence of crystalline phases, and the absence of the band typical for V=O bond in the Raman spectra. High activity and selectivity of the synthesized catalysts in oxidation of methane to formaldehyde, oxy-dehydrogenation of propane and n-butane have been established.
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S. B. Grinenko is deceased
Translated from Teoretychna ta Eksperymentalna Khimiya, Vol. 58, No. 4, pp. 236-242, July-August, 2022.
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Zazhigalov, V.O., Grinenko, S.B., Bacherikova, I.V. et al. Nanodispersed VOx/SiO2 Catalysts of Partial Oxidation of Paraffin Hydrocarbons. Theor Exp Chem 58, 261–268 (2022). https://doi.org/10.1007/s11237-022-09743-4
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DOI: https://doi.org/10.1007/s11237-022-09743-4