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Activity of an aluminum-cobalt-molybdenum catalyst during fluidized bed hydrogenation

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  1. 1.

    During high-temperature hydrogenation of an aromatized petroleum feedstock for producing naphthalene in a fluidized bed of microspherical aluminum-cobalt-molybdenum catalyst under a pressure of 20 atm and a temperature of 550°C the activity of the catalyst is maintained at a fairly high level for a short time (about 1 h).

  2. 2.

    For restoring the activity of a catalyst containing up to 10% coke oxidative regeneration can be carried out under an air pressure of 20 atm, at a temperature of 550°C. The air consumption is 13–15 kg/kg coke. After regeneration the activity of the catalyst is completely restored.

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Literature cited

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    H. F. McGrath and L. R. Hill, Progress in Petroleum Technology, Advances Chemistry Series, Vol. 5 (1951), p. 39.

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    Hydrocracking in Modern Petroleum Processing [in Russian] Izd. TsNIIIT ÉINNEFTEGAZ, (1963),

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    G. F. Pal'chikov, A. I. Mezhlumova, A. A. Krichko et al., Khim. i tekhnol. topliv i masel, No. 11 (1962).

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    A. A. Krichko, A. V. Lozovoi, A. I. Mezhlumova, D. L. Muselevich, G. F. Pal'chikov, and D. V. Skvortsov, Neftepererabotka i neftekhimiya, No. 12 (1964).

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    M. Leva, Fluidization [in Russian], Gostoptekhizdat (1961).

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Krichko, A.A., Lozovoi, A.V. & Skvortsov, D.V. Activity of an aluminum-cobalt-molybdenum catalyst during fluidized bed hydrogenation. Chem Technol Fuels Oils 1, 256–260 (1965). https://doi.org/10.1007/BF00719300

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  • Hydrogenation
  • Petroleum
  • Naphthalene
  • Oxidative Regeneration
  • Petroleum Feedstock