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Influence of platinum on the reducibility of rare earth oxides supported on alumina

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Abstract

XPS experiments on alumina supported Pt−CeO2 catalyst have shown AlCeO3 formation during the initial treatment. This aluminate is very stable and remains unaffected by further treatment. TPR was used in tandem to characterize the reducibilities of both platinum and several rate earth oxides. The appearance of a new peak in the TPR profile reveals that there is a preferential interaction between the rare earth oxide and the platinum.

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Authors and Affiliations

  1. LERCSI, Laboratoire d'Etudes de la Réactivité Catalytique, Surfaces et Interfaces URA 1498 du CNRS-Institut le Bel, Université Louis Pasteur, 4, rue Blaise Pascal, 67070, Strasbourg, France

    V. Pitchon, J. F. Zins, L. Hilaire & G. Maire

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  1. V. Pitchon
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  2. J. F. Zins
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  3. L. Hilaire
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  4. G. Maire
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Correspondence to V. Pitchon.

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Pitchon, V., Zins, J.F., Hilaire, L. et al. Influence of platinum on the reducibility of rare earth oxides supported on alumina. React Kinet Catal Lett 59, 203–209 (1996). https://doi.org/10.1007/BF02068114

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  • DOI: https://doi.org/10.1007/BF02068114

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