Modification of gas condensate gasoline by single atomic alcohols with the use of cavitation

Authors

DOI:

https://doi.org/10.15587/1729-4061.2021.242668

Keywords:

gas condensate gasoline, cavitation, monohydric alcohols, octane number, alcohols of biochemical origin

Abstract

The process of modification of gas condensate gasolines with monohydric alcohols with subsequent cavitation treatment of these mixtures has been investigated. The expediency of using alcohol additives in fuels and the relevance of introducing into gasoline production such chemical technologies that use cavitation processing of raw materials and selective energy supply to the reaction zone have been substantiated. The expediency of the production of high-octane gasolines on the basis of a combination of the processes of mechanical mixing of hydrocarbon gasolines with alcohols and the processes of cavitation treatment of alcohol-gasoline mixtures is also substantiated. The description of the laboratory setup and the experimental methodology is given. The influence of the intensity of cavitation treatment on the increase in the octane number is studied and it is proved that there is some optimal intensity at which a constant value of the octane number of the mixture is achieved.

With an increase in the content of bioethanol in the mixture, the number of cavitation cycles (intensity) required to achieve the steady-state value of the octane number decreases from 8 cycles of gas condensate without bioethanol to 4 cycles with a bioethanol content of 3% and more. To achieve the octane number of the mixture corresponding to gasoline A-92 and A-95, it is necessary to add 2% and 5% bioethanol, respectively. It is shown that the use of cavitation can increase the octane number up to 2.6 points in comparison with simple mechanical mixing of alcohol and gasoline. A comparison is made of the efficiency of using bioethanol and isobutanol for modifying gas condensate gasoline in a cavitation field. The effect of cavitation on the octane number was studied with a change in the concentration of alcohol in the mixture.

A new way of modifying low-octane motor gasolines with bio-ethanol and other mixtures of alcohols of biochemical origin, which contain water impurities, is shown

Author Biographies

Sergey Kudryavtsev, Volodymyr Dahl East Ukrainian National University

PhD, Associate Professor

Department of Chemical Engineering and Ecology

Oleksii Tselishchev, Volodymyr Dahl East Ukrainian National University

Doctor of Technical Sciences, Professor

Department of Chemical Engineering and Ecology

Maryna Loriia, Volodymyr Dahl East Ukrainian National University

Doctor of Technical Sciences, Professor

Department of Computer-Integrated Control Systems

Yevhen Bura, Volodymyr Dahl East Ukrainian National University

Postgraduate Student

Department of Chemical Engineering and Ecology

Maryna Tselishcheva, Volodymyr Dahl East Ukrainian National University

Department of Economics and Management

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Published

2021-10-29

How to Cite

Kudryavtsev, S., Tselishchev, O., Loriia, M., Bura, Y., & Tselishcheva, M. (2021). Modification of gas condensate gasoline by single atomic alcohols with the use of cavitation. Eastern-European Journal of Enterprise Technologies, 5(6 (113), 6–15. https://doi.org/10.15587/1729-4061.2021.242668

Issue

Vol. 5 No. 6 (113) (2021): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2021 Sergey Kudryavtsev, Oleksii Tselishchev, Maryna Loriia, Yevhen Bura, Maryna Tselishcheva

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