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Thermodesorption studies on catalytic systems

12. The interaction of cyclohexane with industrial aluminum-nickel-tungsten sulfide catalysts

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Thermodesorption measurements have shown the surface of aluminum-nickel-tungsten sulfide catalysts to be nonuniform with respect to cyclohexane, the nonuniformity being characterized by an exponential distribution, a step adsorption isotherm, and a logarithmic fall off of the desorption activation energy with increasing surface coverage.

  2. 2.

    The degree of cyclohexane coverage of the catalyst surface is increased by the presence of hydrogen, and the energy of adsorptional bonding is reduced.

  3. 3.

    Cyclohexane bonds to the catalyst surface more weakly than does benzene, and can be completely displaced from the surface by the latter.

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow

    Zh. A. Evdokimova, N. Kh. Valitov & V. I. Yakerson

  2. Salavatskii Petrochemical Combine, USSR

    Zh. A. Evdokimova, N. Kh. Valitov & V. I. Yakerson

Authors
  1. Zh. A. Evdokimova
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  2. N. Kh. Valitov
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  3. V. I. Yakerson
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Additional information

For Communications 8–11 see [1–4].

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1466–1470, July, 1976.

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Evdokimova, Z.A., Valitov, N.K. & Yakerson, V.I. Thermodesorption studies on catalytic systems. Russ Chem Bull 25, 1402–1405 (1976). https://doi.org/10.1007/BF00920805

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  • DOI: https://doi.org/10.1007/BF00920805

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