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Mechanism of catalytic hydrogen oxidation on binary oxide systems based on α-alumina

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Abstract

The initial rates of catalyst reduction with hydrogen in the steady state and the kinetic isotope effect (KIE) have been measured for hydrogen oxidation on a series of binary oxide catalysts based on α-alumina, Al2−xMexO3, where 0≤x≤2 and Me=Cr, Fe, Ga, La, Experimental evidence has been obtained in support of two different mechanisms in the high and low-temperature regions.

Abstract

Измерены начальные скорости восстановления катализаторов водородом в стационарном состоянии, а также величины кинетических изотопных зффектов (КИЭФ) в реакции окисления водорода на ряде бинарных окисных катализаторов на основе альфа-окиси алюминия общей формулой Al2−xMexO3, где 0<-x≤2 и Me=Cr, Fe, Ga, La. На основании полученных результатов сделан вывод о протекании реакции по двум различным механизмам в области высоких и низких температур.

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Authors and Affiliations

  1. Institute of Catalysis, 630090, Novosibirsk, USSR

    V. I. Pilipenko & V. V. Popovskii

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  1. V. I. Pilipenko
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  2. V. V. Popovskii
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Pilipenko, V.I., Popovskii, V.V. Mechanism of catalytic hydrogen oxidation on binary oxide systems based on α-alumina. React Kinet Catal Lett 6, 29–34 (1977). https://doi.org/10.1007/BF02067736

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  • DOI: https://doi.org/10.1007/BF02067736

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