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A new approach to determining the blending octane number of gaseous components of motor gasolines
https://doi.org/10.26896/1028-6861-2023-89-7-14-20
Abstract
The octane number for gaseous components (GC) is currently determined using the calculation method proceeding from the hydrocarbon composition. The method provides determination of the research octane number (RON) only. A discrepancy between the actual and predicted values of the octane number thus determined leads to an overestimated introduction of these components into the fuel which results in the reduced fuel performance and economic indicators of the production. In this regard, the development of a new approach to the determination of the blending octane number of low-boiling components is extremely important for designing optimal formulations of motor fuels. A method for determining the blending octane numbers (both RON and MON) of motor gasoline gaseous components has been improved due to preliminary sample preparation by bubbling which provided taking into account the proportion of involving fractions of C4 hydrocarbon and pentane-amylene along with the chemical nature of the base fuel components. It is shown that the value of the blending octane number for gaseous components depends on the hydrocarbon composition of the base component. Application of the developed method to determining the blending octane number of gaseous components of motor fuels allowed us to obtain optimal formulations of gasoline with the involvement of low-boiling by-products and increased the accuracy of forecasting the composition of fuels thus improving the economic performance of the production.
About the Authors
E. B. Kovaleva
Irkutsk National Research Technical University
Russian Federation
Russian Federation
Ekaterina B. Kovaleva
83, ul. Lermontova, Irkutsk, 664074
S. G. Dyachkova
Irkutsk National Research Technical University
Russian Federation
Russian Federation
Svetlana G. Dyachkova
83, ul. Lermontova, Irkutsk, 664074
A. A. Ganina
JSC «Angarsk Petrochemical Company»
Russian Federation
Russian Federation
Anna A. Ganina
POB 65, Angarsk, Irkutsk oblast’, 665830
I. E. Kuzora
JSC «Angarsk Petrochemical Company»
Russian Federation
Russian Federation
Igor E. Kuzora
POB 65, Angarsk, Irkutsk oblast’, 665830
V. A. Sergeev
JSC «Angarsk Petrochemical Company»
Russian Federation
Russian Federation
Vladimir A. Sergeev
POB 65, Angarsk, Irkutsk oblast’, 665830
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Review
For citations:
Kovaleva E.B., Dyachkova S.G., Ganina A.A., Kuzora I.E., Sergeev V.A. A new approach to determining the blending octane number of gaseous components of motor gasolines. Industrial laboratory. Diagnostics of materials. 2023;89(7):14-20. (In Russ.) https://doi.org/10.26896/1028-6861-2023-89-7-14-20
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