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Transformations of Asphaltenes A1 and A2 in the Course of Atmospheric Residue Cracking

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Abstract

Various conditions for the cracking of atmospheric residue from the Novokuibyshevsk Oil Refinery were considered and analyzed. Optimal conditions for the cracking of the atmospheric residue were found (a temperature of 450ºС and duration of 30 min), under which an additional 51.8 wt % of light fractions was formed due to the destruction of 31.3 wt % of resin–asphaltene components. The compaction products formed upon cracking were studied. Two fractions of asphaltenes (A1 and A2) from the feedstock and isolated from liquid cracking products were studied using structural group analysis. It was found that the duration of atmospheric residue cracking had an impact on the formation of secondary asphaltenes.

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Funding

This work was supported by the Ministry of Science and Higher Education of the Russian Federation and carried out within the framework of a state contract of the Institute of Petroleum Chemistry, Siberian Branch, Russian Academy of Sciences (project no. FWRN-2021-0005).

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Authors and Affiliations

  1. Institute of Petroleum Chemistry, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia

    N. N. Sviridenko, N. S. Sergeyev & Kh. Kh. Urazov

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  1. N. N. Sviridenko
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  2. N. S. Sergeyev
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  3. Kh. Kh. Urazov
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Correspondence to N. N. Sviridenko, N. S. Sergeyev or Kh. Kh. Urazov.

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Translated by V. Makhlyarchuk

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Sviridenko, N.N., Sergeyev, N.S. & Urazov, K.K. Transformations of Asphaltenes A1 and A2 in the Course of Atmospheric Residue Cracking. Solid Fuel Chem. 58, 117–123 (2024). https://doi.org/10.3103/S0361521924020137

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  • DOI: https://doi.org/10.3103/S0361521924020137

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