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Methane oxidation on vanadium oxide catalysts synthesized by molecular dispersion on aerosil

Authors:	N I Ilchenko W Hanke L N Rayevskaya G I Golodets and G ?hlmann

Institution:	(1) Institute of Physical Chemistry, 252028 Kiev, USSR;(2) Central Institute of Physical Chemistry, Berlin, GDR

Abstract:	It has been found that (Si–O)₂V_2xO_5x–1 catalysts accelerate partial and complete oxidation of CH₄ at 450–550°C. The steps responsible for the rate of the overall reaction with the participation of N₂O at low temperatures involve single V-centers and $\mathop {O^ - }\limits^.$ , whereas in the oxidation by O₂ at higher temperatures V-clusters and O^2–-species take part. (Si–O)₂V_2xO_5x–1 CH₄ 450–550°C. , N₂O , V- $O^{. - }$ , O₂ O^2–.

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