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Acidity and oxidation activity of MoO3−UO3/SiO2 catalysts

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Abstract

The effect of UO3 on the acidity of MoO3−UO3/SiO2 catalysts has been studied by means of infrared spectroscopy of adsorbed pyridine. The surface acidity exhibited a maximum for the same U/(U+Mo) atomic ratio (=0.11) that yielded a maximum in total conversion for isobutene oxidation. The catalytic properties for oxidation are discussed in terms of the acidic properties of the samples.

Abstract

Влияние UO3 на кислотность катализаторов MoO3−UO3/SiO2 исследовали с помощью ИК спектроскопии адсорбированного пиридина. Поверхностная кислотность достигает максимума при том же значении атомного отношения U/(U+Mo)=0,11, при котором наблюдалось максимальное общее превращение в окислении изобутилена. Каталитические свойства окисления обсуждаются, исходя из кислотных свойств образцов.

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Authors and Affiliations

  1. Instituto de Catálisis y Petroleoquímica, C.S.I. C., Serrano 119, 28006, Madrid, Spain

    V. Cortés Corberán, G. Kremenic & L. González Tejuca

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  1. V. Cortés Corberán
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  2. G. Kremenic
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  3. L. González Tejuca
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Cortés Corberán, V., Kremenic, G. & González Tejuca, L. Acidity and oxidation activity of MoO3−UO3/SiO2 catalysts. React Kinet Catal Lett 36, 235–240 (1988). https://doi.org/10.1007/BF02071170

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  • DOI: https://doi.org/10.1007/BF02071170

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