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Vapor phase oxidation of o-xylene on carbon catalysts

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Abstract

A mechanism is proposed for the mild oxidation of o-xylene on carbon catalysts. A characteristic feature of all stages of the mechanism is that they take place on basic (electron donor) centers, to which are bonded all the organic molecules and molecular oxygen participating in the reaction. The strong oxidation of o-xylene also takes place in parallel with the mild oxidation. A substantial difference between the mechanisms of phthalic anhydride and carbon dioxide formation may be caused by the different orientations of o-xylene during its adsorption, which predetermines the different directions of the subsequent attack by the oxygen. A comparison has been made of the catalytic properties of different carbons, and they have been compared with the catalytic properties of an industrial V205 catalyst.

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Translated from Teoreticheskaya i éksperimental'naya Khimiya, Vol. 22, No. 5, pp. 619–625, September–October, 1986.

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Lukomskaya, A.Y., Tarkovskaya, I.A. Vapor phase oxidation of o-xylene on carbon catalysts. Theor Exp Chem 22, 593–598 (1987). https://doi.org/10.1007/BF00522546

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  • DOI: https://doi.org/10.1007/BF00522546

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