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Evidence for a weak metal-support interaction in alumina-supported nickel catalysts

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Abstract

The reduction of Ni/Al2O3 at high temperatures does not result in a decrease of the H2 uptake and catalytic activity towards C2H6 hydrogenolysis per metal surface atoms. This is typical of a weak metal-support interaction. Moreover, no Ni−Al alloy formation has been detected by magnetism. This behavior, at variance with that of Ni/SiO2, confirms that the occurrence of the strong metal-support interaction is probably related to support reduction with alloy formation.

Abstract

Восстановление Ni/Al2O3 при высоких температурах не приводит к уменьшению адсорбции H2 и каталитической активности в гидрогенолизе C2H6, отнесенной к поверхностным атомам металла. Это является типичным для слабых взаимодей-ствий металла с носителем. Это поведение, в противоположность поведению Ni−SiO2, подтверждает то, что проявление сильного взаимодействия металла с носителем, вероятно, связано с восстановлением носителя и образованием сплава.

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Authors and Affiliations

  1. Institut de Recherches sur la Catalyse, 2, avenue A. Einstein, 69 626, Villeurbanne Cédex, France

    P. Turlier & G. A. Martin

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  1. P. Turlier
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  2. G. A. Martin
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Turlier, P., Martin, G.A. Evidence for a weak metal-support interaction in alumina-supported nickel catalysts. React Kinet Catal Lett 19, 275–278 (1982). https://doi.org/10.1007/BF02074045

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  • DOI: https://doi.org/10.1007/BF02074045

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