A process to increase the detonation resistance of motor gasoline using a component obtained during needle coke production
R.R. Gabdulkhakov, K.Yu. Govkelevich, V.A. Rudko, I.N. Pyagay
Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation
Russian Mining Industry №1S / 2025 p. 21-27
Abstract: The paper discusses the effect of polymer addition, which improves needle coke morphology, on the composition and properties of fuel distillate fractions of the delayed coking process. A significant change was found in the hydrocarbon composition and physicochemical properties of the cracked gasoline fraction along with preserved composition of the light and heavy gasoil fractions, as well as a significant change in the material balance of the process. When mixing 35 wt% of the gasoline fraction of the coking distillates made using the modified feedstock with gasoline which octane number is 80.0, we observe an increase in the detonation resistance of the fuel by 9.7 points, while addition of the gasoline fraction from the standard coking gasoline leads to a decrease in this indicator by 10.2 points. The obtained results indicate a significant contribution of the 10 wt% polymer additive to the quality characteristics not only of the carbon material, but also of the coking gasoline fraction. The change in the composition and qualitative characteristics of the gasoline fraction has a significant impact on the marketing chain of this fraction as a component of motor fuel. Due to predominance of the high-octane monoaromatic compounds, this fraction has a higher detonation resistance than the same fraction obtained by coking the non-modified feedstock.
Keywords: coking, needle coke, polymer modification, fuels, gasoline fraction, detonation resistance
For citation: Gabdulkhakov R.R., Govkelevich K.Yu., Rudko V.A., Pyagay I.N. A process to increase the detonation resistance of motor gasoline using a component obtained during needle coke production. Russian Mining Industry. 2025;(1S):21–27. https://doi.org/10.30686/1609-9192-2025-1S-21-27
Article info
Received: 09.01.2025
Revised: 11.02.2025
Accepted: 11.02.2025
Information about the authors
Renat R. Gabdulkhakov – Cand. Sci. (Eng.), Senior Research Associate, Research Center for Problems of Mineral and Anthropogenic Resources Processing, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation; https://orcid.org/0000-0001-7243-2468; e-mail: Gabdulkhakov_RR@pers.spmi.ru
Kseniya Yu. Govkelevich – Student, Department of Chemical Technology and Energy Processing, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation
Viacheslav A. Rudko – Cand. Sci. (Eng.), Executive Director, Research Center for Problems of Mineral and Anthropogenic Resources Processing, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation; https://orcid.org/0000-0002-8527-6705; e-mail: Rudko_VA@pers.spmi.ru
Igor N. Pyagay – Dr. Sci. (Eng.), Academic Advisor, Research Center for Problems of Mineral and Anthropogenic Resources Processing, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation; e-mail: Pyagay_IN@pers.spmi.ru
Authors’ contribution
Renat R. Gabdulkhakov – preparation of the main text of the article, carrying out the experimental studies; processing of the test data.
Kseniya Yu. Govkelevich – carrying out experimental studies of the fractional and hydrocarbon composition of fractions.
Viacheslav A. Rudko – methodology, studies of the octane number, reviewing of the article.
Igor N. Pyagay – scientific supervision, reviewing of the article.
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