INFLUENCE OF HEAVY PYROLYSIS RESIN ON THE PROCESS OF OIL TAR OXIDATION

UDC 665.65

  • Grushova Evgeniya Ivanovna – DSc (Engineering), 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

  • Stan’ko Marina Viktorovna – graduate. Belarusian State Technological University (13a, Sverdlo­va str., 220006, Minsk, Republic of Belarus). E-mail: marishka.stanko@yandex.ru

  • Khat’ko Irina Nikolaevna – student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: ikhatko@gmail.com

DOI: https://doi.org/10.52065/2520-2669-2021-241-1-57-62

Keywords: tar, modifier, heavy pyrolysis resin, oxidation, microwave radiation, bitumen.

For citation: Grushova E. I., Stan’ko M. V., Khat’ko I. N. Influence of heavy pyrolysis resin on the process of oil tar oxidation. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geo­-ecology, 2021, no. 1 (241), pp. 57–62 (In Russian). DOI: https://doi.org/10.52065/2520-2669-2021-241-1-57-62.

Abstract

The results of the study of the process of oil tar oxidation in the presence of a modifier additive are presented. The latter was used as a by – product of pyrolysis of light hydrocarbons-heavy pyrolysis resin in the amount of 10 wt. % of the oxidized tar. Bitumen was obtained by oxidation of tar with air oxygen at 200°C for 6 hours. Analysis of the oxidation products allowed us to establish that their quality (softening temperature, penetration), structural and group composition, studied by IR spectrometry, is affected by the addition of heavy pyrolysis resin. The presence of compounds with unsaturated bonds in the resin, even in the absence of initiators (or catalysts) and relatively soft oxidation conditions, contributes to the structuring of the oxidized tar.

Treatment of the initial raw material mixture with microwave radiation somewhat enhances this effect, apparently due to changes in the dispersion state of the raw material.

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