Catalysis and petrochemistry

Kataliz ta naftohimia: 2020, Vol.30, 56-65.

https://doi.org/10.15407/kataliz2020.30.056

Modification of motor gasoline with bioethanol in the cavitation field

S.V. Boichenko¹, A.V. Yakovlieva¹, O.B. Tselishchev², V.G. Lanetsky¹, S.O. Kudryavtsev², M.G. Loriya², A.A. Semenuik¹ Kazimierz Lejda³

¹National Aviation University Kosmonavt Komarov Ave. (Lyubomir Husar), Kyiv-03058, Ukraine, e-mail: anna.yakovlieva@nau.edu.ua
²Vladimir Dahl East Ukrainian National University, Central Avenue, 59 A, Severodonetsk, Ukraine, 93400
³Rzeszow University of Technology, 8 Powstancow Warszawy Ave., Rzeszow, Poland

ABSTRACT

Today, the use of bioethanol as an alternative motor fuel is quite relevant. Bioethanol is generally used as an additive to traditional petroleum fuels. The addition of bioethanol has a positive effect on increasing the evaporation and detonation resistance of gasoline. However, the addition of bioethanol alone may not be sufficient to fully address these issues. This article presents the results of a study of the influence of bioethanol content and cavitation field parameters on the quality of gasoline: evaporation and octane number. To determine the effect of cavitation treatment of gasoline-ethanol mixture on the physical stability of the fuel and evaporation, the content of narrow fractions, the percentage of fractions in the fuel, and the saturated vapor pressure before and after cavitation were determined. The optimal content of the biocomponent, which increases the evaporation of gasoline, has been established. The results of the change of octane number depending on the intensity of cavitation treatment for gas condensate with the addition of bioethanol are also presented. The influence of bioethanol content on the increase of octane number during cavitation treatment was determined. It is shown that the production of blended fuels by compounding with the use of cavitation treatment allows to obtain a gasoline-reference mixture with significantly better evaporation characteristics, in particular in terms of fractional composition and saturated vapor pressure, compared to gasoline-ethanol mixtures obtained by conventional mechanical compounding. In addition, it was found that the use of cavitation treatment can increase the octane number of fuels. The introduc-tion of ethanol can further increase their octane number. Thus, the introduction of ethanol and the use of cavitation treatment has a synergistic effect on improving the anti-knock characteristics of gasoline.

KEYWORDS

gasoline, gas condensate, bioethanol, cavitation, evaporation, fractional composition, octane number

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Catalysis and petrochemistry

Modification of motor gasoline with bioethanol in the cavitation field

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