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Study of the Thermolysis Products of Asphaltenes from the Vacuum Residue of Usinskoe Oil Produced in Supercritical Water

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Abstract

The thermolysis of asphaltenes from the vacuum residue of heavy oil was carried out without water and in the presence of supercritical water (SCW) at 450°C. The composition of asphaltene conversion products was studied. It was established that the yield of solid products decreased and the yield of maltenes increased when the process was carried out in SCW. The resins, residual asphaltenes, and solid products (products insoluble in chloroform) isolated from the thermolysis products were characterized by IR spectrometry.

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Funding

This study was funded by the Ministry of Science and Higher Education of the Russian Federation and carried out within the framework of a state contract at the Institute of Petroleum Chemistry, Siberian Branch, Russian Academy of Sciences.

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Authors and Affiliations

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

    Kh. V. Nal’gieva & M. A. Kopytov

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  1. Kh. V. Nal’gieva
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  2. M. A. Kopytov
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Correspondence to Kh. V. Nal’gieva or M. A. Kopytov.

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The authors declare that they have no conflicts of interest.

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Translated by V. Makhlyarchuk

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Nal’gieva, K.V., Kopytov, M.A. Study of the Thermolysis Products of Asphaltenes from the Vacuum Residue of Usinskoe Oil Produced in Supercritical Water. Solid Fuel Chem. 56, 116–122 (2022). https://doi.org/10.3103/S0361521922020070

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  • DOI: https://doi.org/10.3103/S0361521922020070

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