FEATURES OF THE THERMO-OXIDATIVE EFFECT ON THE COMPOSITION OF HIGHLY AROMATIZED BY-PRODUCTS OF PETROLEUM PRODUCTS

UDC 665.775

  • Grushova Evgeniya Ivanovna − DSc (Engineering), Professor, Professor, the Department of Oil and Gas Processing and Petroleum Chemistry. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: grushova.e@mail.ru

  • Kiselev Vladislau Olegovich − Student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: vladr19ks@gmail.com

  • Zholnerkevich Veronika Igorevna − Master’s degree student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: zholnerkevichv@mail.ru

  • Gorashchuk Yuliya Aleksandrovna − Student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: gorashchuk.u.a@gmail.com

DOI: https://doi.org/10.52065/2520-2669-2022-259-2-127-131

Key words: aromatic oil extract, microwave irradiation, heavy pyrolysis resin residue, thermal oxidation, bitumen binders, composition, properties of asphaltenes.

For citation: Grushova E. I., Kiselev V. O., Zholnerkevich V. I., Gorashchuk Yu. A. Features of the thermo-oxidative effect on the composition of highly aromatized by-products of petroleum products. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2022, no. 2 (259), pp. 127–131 (In Russian). DOI: https://doi.org/10.52065/2520-2669-2022-259-2-127-131.

Abstract

The properties of highly aromatized petroleum products – oil extracts, one of which was treated with microwave rays for 3 minutes, and the residue of heavy pyrolysis resin were studied. Based on these components, two samples of mixtures containing an extract and a resin residue in a ratio equal to 2 : 1 m. h. were obtained. The mixtures were oxidized at temperatures of 160, 190 and 220°С and petroleum bitumen binders were obtained. Thermal oxidation products were analyzed according to standard methods (melting point, penetration, brittleness, adhesion), their group composition according to Markusson and structural group composition were determined by IR spectroscopy, spectral coefficients were calculated and analyzed according to IR spectroscopy data for asphaltenes containing in the obtained binders and characterizing the degree of their aromaticity and condensation. It was found that, despite the significant difference in the composition and properties of the obtained samples of bitumen binders, the chemical composition of asphaltenes practically does not depend on the nature of the residues, the conditions of thermal oxidation. The ratio of asphaltenes, resins and oil in the binder has a greater effect on the properties of the resulting product. In this case, the treatment with microwave rays of the initial extract did not allow obtaining a solid product due to an increase in the degree of dispersion and, accordingly, a decrease in its viscosity.

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15.04.2022