Highly active nickel — alumina catalyst for the dehydrogenation of the cyclohexane ring

  • N. I. Shuikin
  • E. D. Tulupova


  1. 1.

    As the result of an investigation of the effect of the conditions of the preparation of nickel-alumina catalysts on their dehydrogenating powers, a method is proposed for the preparation of an active, stable, and reproducible catalyst for the dehydrogenation of cyclohexane.

  2. 2.

    The presence of a certain excess of nickel ions in the reaction medium at the end of the precipitation of nickelous and aluminum hydroxides is an essential factor in the preparation of an active form of nickel-alumina dehydrogenation catalyst.

  3. 3.

    Taking the dehydrogenation of cyclohexane, that of heptane-methylcyclohexane fractions of Surakhan and Maikop gasolines, and that of sample of unfractionated Surakhan gasoline as examples, we showed that catalysts prepared by the improved method can be used successfully for the laboratory dehydrogenation both of narrow gasoline fractions and of unfractionated gasolines.

  4. 4.

    A 30% nickel-alumina catalyst prepared by this improved method preserves high activity for a long time (249 hours), without regeneration, in the aromatization of unfractionated Surakhan gasoline.



Precipitation Alumina Nickel Hydroxide High Activity 
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Copyright information

© Consultants Bureau Enterprises, Inc. 1961

Authors and Affiliations

  • N. I. Shuikin
    • 1
  • E. D. Tulupova
    • 1
  1. 1.N.D. Zelinskii Institute of Organic ChemistryAcademy of Sciences of the USSRUSSR

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