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Role of oxygen diffusion in catalysts for selective oxidation

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Abstract

The effective coefficients of oxygen diffusion for the series of oxide catalysts for the selective oxidation of organic compound (V−Mo−O, Bi−Mo−O, Ga−Sb−O, Mg−O) have been measured. Diffusion coefficients in different catalysts defined at optimal operation temperatures for these catalysts were found to be close. The possibility of using oxide systems as catalysts for selective oxidation is determined by their ability to achieve sufficiently large oxygen diffusion coefficients at the reaction temperature.

Abstract

Определены эффективные коэффициенты диффузии кислорода на ряде оксндных катализаторов селективных окислителяных рревращении органических соединении (V−Mo−O., Bi−Mo−O., Ga−Sb−O, Mg−O). Показано, что козффициенты диффузии для различных катализаторов, определенные при оптимальных температурах их работы в соответствующих реакциях близки между собои. Сделан вывод о том, что возможность исполязования оксидных систем в качестве катализаторов селективного окисления определяется способностью системы иметь достаточное значение козффициента дифаузии при температуре реакции.

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Sokolovskii, V.D., Ovsitser, O.Y. Role of oxygen diffusion in catalysts for selective oxidation. React Kinet Catal Lett 46, 415–419 (1992). https://doi.org/10.1007/BF02070965

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  • DOI: https://doi.org/10.1007/BF02070965

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