Sulfuration of Pt/Al2O3, Pt−Re/Al2O3 and Pt−Ir/Al2O3 catalysts

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1982 English Publisher:Springer Science and Business Media LLCJournal:Reaction Kinetics and Catalysis Letters, volume 19, pages 351-354 (issn: 0133-1736, eissn: 1588-2837,

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Authors: C. Apesteguia; J. Barbier;

doi: 10.1007/bf02074060

Sulfuration of Pt/Al2O3, Pt−Re/Al2O3 and Pt−Ir/Al2O3 catalysts

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Abstract

Three reforming catalysts Pt/Al2O3, Pt−Ir/Al2O3 and Pt−Re/Al2O3 have been sulfurated by H2S and tested by their activities in benzene hydrogenation. By treatment at 500°C under hydrogen flow only a part of the initial activity of the non-sulfurated catalyst is retained. So only a part of the adsorbed sulfur is easily removed in these conditions. The remaining sulfur for each of the catalysts (Pt/Al2O3, Pt−Ir/Al2O3 and Pt−Re/Al2O3) gives the same atomic ratio of 0.5 sulfur atom per accessible metallic atom.

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University of Poitiers
France
University of Poitiers
France

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