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Structural transformations of asphaltenes during hydroconversion of vacuum residue with recycling the hydroconversion product distillation residue

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Abstract

The hydroconversion of vacuum residue (VR) with the recycle of the unconverted vacuum residue in the presence of nanosized MoS2 catalyst particles synthesized “in situ” in the hydrocarbon medium has been studied. Changes in the molecular structure of asphaltenes from VR and the products of VR hydroconversion in a mixture with the vacuum residue (recycle), depending on the residence time of asphaltenes in the reaction zone, have been described. The main features of structural transformations of asphaltenes during the hydroconversion with recycle have been established. Trends in the structural properties of the asphaltenes with varying different process parameters, such as the residence time and temperature in the reaction medium, have been compared.

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Authors and Affiliations

  1. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia

    Kh. M. Kadiev, O. V. Zaytseva, E. E. Magomadov, A. E. Batov, M. Kh. Kadieva & S. N. Khadzhiev

  2. Gubkin Russian State University of Oil and Gas, Moscow, Russia

    O. V. Zaytseva, E. A. Chernysheva & V. M. Kapustin

  3. Electrogorsk Institute of Petroleum Processing, Electrogorsk, Moscow oblast, Russia

    N. V. Oknina

Authors
  1. Kh. M. Kadiev
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  2. O. V. Zaytseva
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  3. E. E. Magomadov
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  4. E. A. Chernysheva
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  5. N. V. Oknina
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  6. A. E. Batov
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  7. M. Kh. Kadieva
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  8. V. M. Kapustin
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  9. S. N. Khadzhiev
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Corresponding author

Correspondence to O. V. Zaytseva.

Additional information

Original Russian Text © Kh.M. Kadiev, O.V. Zaytseva, E.E. Magomadov, E.A. Chernysheva, N.V. Oknina, A.E. Batov, M.Kh. Kadieva, V.M. Kapustin, S.N. Khadzhiev, 2015, published in Neftekhimiya, 2015, Vol. 55, No. 4, pp. 337–346.

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Kadiev, K.M., Zaytseva, O.V., Magomadov, E.E. et al. Structural transformations of asphaltenes during hydroconversion of vacuum residue with recycling the hydroconversion product distillation residue. Pet. Chem. 55, 487–496 (2015). https://doi.org/10.1134/S0965544115060067

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  • DOI: https://doi.org/10.1134/S0965544115060067

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