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CeO2-supported nickel catalysts. Evidence of a strong metal-support ineraction

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Abstract

An increase of the reduction temperature of a Ni/CeO2 solid results in a continuous decrease of the catalytic activity toward C2H6 hydrogenolysis and of the quantity of adsorbed H2. O2 treatments with subsequent reduction at low temperature restore a part of the initial properties. This behavior, typical of a strong metal support interaction, is similar to that of Ni/TiO2, Ni/SiO2 and Ni/ZrO2 solids and shows that the SMSI phenomenon is general.

Abstract

Увеличение температуры восстановления твердого Ni/CeO2 приводит к непрерывному уменьшению каталитической активности в гидрогенолизе C2H6 и к уменьшению количества адсорбированного H2. Обработка кислородом с последовательным восстановлением при низких температурах возобновляет часть исходных свойств. Это поведение, типичное для сильных взаимодействий металла с носителем (свмн), подобно наблюдаемому для твердых Ni/TiO2, Ni/SiO2 и Ni/ZrO2 и указывает на то, что явление свмн является общим.

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Author notes

  1. A. Maubert

    Present address: Departamento de Ciencias Basicas, Universidad Autonoma Metropolitana, Av. San Pablo 180-Azcapotzalco, Mexico 16, D.F.

Authors and Affiliations

  1. Institut de Recherches sur la Catalyse 2, avenue Albert Einstein, 69626, Villeurbanne Cédex, France

    A. Maubert, G. A. Martin, H. Praliaud & P. Turlier

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  1. A. Maubert
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  2. G. A. Martin
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  3. H. Praliaud
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  4. P. Turlier
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Maubert, A., Martin, G.A., Praliaud, H. et al. CeO2-supported nickel catalysts. Evidence of a strong metal-support ineraction. React Kinet Catal Lett 24, 183–186 (1984). https://doi.org/10.1007/BF02069625

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  • DOI: https://doi.org/10.1007/BF02069625

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