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Adsorption and hydrogenation of benzene on Pd-Ru alloy in a pulsed chromatographic regime

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Summary

  1. 1.

    The reversible adsorption of benzene vapor on an alloy of Pd with 6% of Ru at 303°K under the conditions of existence of the α phase of the alloy-hydrogen system does not change, and in the region of existence of the β phase, it increases somewhat with a rise in the pressure of hydrogen. Strongly adsorbed benzene occupies∼7% of the surface.

  2. 2.

    Only the strongly adsorbed benzene is hydrogenated on the α phase of the alloy-hydrogen system.

  3. 3.

    The feeding of hydrogen to the hydrogenation zone by diffusion through the alloy leads to a supersaturation of the surface with a form of chemisorbed hydrogen that is active in the benzene hydrogenation reaction.

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Literature cited

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Authors and Affiliations

  1. A. V. Topchiev Institute of Petrochemical Synthesis, Academy of Sciences of the USSR, Moscow

    V. G. Dobrokhotov, L. F. Pavlova & V. M. Gryaznov

  2. P. Lumumba University of Peoples' Friendship, Moscow

    V. G. Dobrokhotov, L. F. Pavlova & V. M. Gryaznov

Authors
  1. V. G. Dobrokhotov
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  2. L. F. Pavlova
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  3. V. M. Gryaznov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 989–994, May, 1983.

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Dobrokhotov, V.G., Pavlova, L.F. & Gryaznov, V.M. Adsorption and hydrogenation of benzene on Pd-Ru alloy in a pulsed chromatographic regime. Russ Chem Bull 32, 893–898 (1983). https://doi.org/10.1007/BF00956134

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  • DOI: https://doi.org/10.1007/BF00956134

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