Chemistry and Technology of Fuels and Oils

, Volume 2, Issue 12, pp 829–832 | Cite as

Investigation of the conversion kinetics for hydrocarbons in the second stage of the vacuum hydrocracking of gas oil

  • L. I. Osipov
  • V. A. Khavkin
Petroleum and Gas Processing


  1. 1.

    From experiments on hydrocracking in the presence of nickel catalysts supported on an aluminosilicate and a zeolite, it has been established that the extent of feedstock conversion can be varied over wide limits by varying the temperature and space velocity of feedstock supply.

  2. 2.

    The features of feedstock conversion in the presence of both catalysts are similar. However, an equal degree of decomposition is achieved on the zeolite-supported catalyst at a temperature some 50°C lower than that for the aluminosilicate-supported catalyst.

    The apparent activation energy of the cracking reaction using a zeolite-supported catalyst is also appreciably lower than when using an aluminosilicate-supported catalyst.

  3. 3.

    The experimental results are represented satisfactorily by A. V. Frost's equation for inhibited unimolecular processes.



Nickel Activation Energy Zeolite Hydrocarbon Aluminosilicate 
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Literature cited

  1. 1.
    A. V. Frost, Vestnik MGU Im. Lomonosova, Nos. 3–4 (1946), p. 11.Google Scholar
  2. 2.
    M. F. Nagiev, Chemistry, Technology and Design of Processes for Motor Fuel Synthesis, Academy of Sciences, USSR (1955).Google Scholar
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    S. Arrhenius, Z. Physik. Chem., Vol. 4 (1889), p. 226.Google Scholar

Copyright information

© Consultants Bureau 1967

Authors and Affiliations

  • L. I. Osipov
    • 1
  • V. A. Khavkin
    • 1
  1. 1.All-Union Scientific Research Institute of the Petroleum IndustryUSSR

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