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Journal of Marine Science and Engineering, volume 10, issue 8, pages 1017

Application of the UNIFAC Model for the Low-Sulfur Residue Marine Fuel Asphaltenes Solubility Calculation

Publication typeJournal Article
Publication date2022-07-25
Quartile SCImago
Q2
Quartile WOS
Q1
Impact factor2.9
ISSN20771312
Civil and Structural Engineering
Water Science and Technology
Ocean Engineering
Abstract

Since 2020, 0.5% limits on the sulfur content of marine fuels have been in effect worldwide. One way to achieve this value is to mix the residual sulfur and distillate low sulfur components. The main problem with this method is the possibility of sedimentation instability of the compounded residual marine fuel due to sedimentation of asphaltenes. In this paper, the application of the UNIFAC group solution model for calculating the solubility of asphaltenes in hydrocarbons is considered. This model makes it possible to represent organic compounds as a set of functional groups (ACH, AC, CH2, CH3), the qualitative and quantitative composition of which determines the thermodynamic properties of the solution. According to the asphaltene composition, average molecular weight (450–2500 mol/L) and group theories of solutions, a method for predicting the sedimentation stability of compounded residual marine fuels was proposed. The effect of the heat of fusion, temperature of fusion, molecular weight, and group composition on the solubility of asphaltenes in marine fuel has been evaluated. The comparison of the model approach with the data obtained experimentally is carried out. The results obtained make it possible to predict the sedimentation stability of the fuel system depending on the structure and composition of asphaltenes.

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GOST Copy
Povarov V. G. et al. Application of the UNIFAC Model for the Low-Sulfur Residue Marine Fuel Asphaltenes Solubility Calculation // Journal of Marine Science and Engineering. 2022. Vol. 10. No. 8. p. 1017.
GOST all authors (up to 50) Copy
Povarov V. G., Efimov I., Smyshlyaeva K. I., Rudko V. A. Application of the UNIFAC Model for the Low-Sulfur Residue Marine Fuel Asphaltenes Solubility Calculation // Journal of Marine Science and Engineering. 2022. Vol. 10. No. 8. p. 1017.
RIS |
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RIS Copy
TY - JOUR
DO - 10.3390/jmse10081017
UR - https://doi.org/10.3390%2Fjmse10081017
TI - Application of the UNIFAC Model for the Low-Sulfur Residue Marine Fuel Asphaltenes Solubility Calculation
T2 - Journal of Marine Science and Engineering
AU - Povarov, Vladimir G
AU - Efimov, Ignaty
AU - Smyshlyaeva, Ksenia I
AU - Rudko, Viacheslav A
PY - 2022
DA - 2022/07/25 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1017
IS - 8
VL - 10
SN - 2077-1312
ER -
BibTex |
Cite this
BibTex Copy
@article{2022_Povarov
author = {Vladimir G Povarov and Ignaty Efimov and Ksenia I Smyshlyaeva and Viacheslav A Rudko},
title = {Application of the UNIFAC Model for the Low-Sulfur Residue Marine Fuel Asphaltenes Solubility Calculation},
journal = {Journal of Marine Science and Engineering},
year = {2022},
volume = {10},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jul},
url = {https://doi.org/10.3390%2Fjmse10081017},
number = {8},
pages = {1017},
doi = {10.3390/jmse10081017}
}
MLA
Cite this
MLA Copy
Povarov, Vladimir G., et al. “Application of the UNIFAC Model for the Low-Sulfur Residue Marine Fuel Asphaltenes Solubility Calculation.” Journal of Marine Science and Engineering, vol. 10, no. 8, Jul. 2022, p. 1017. https://doi.org/10.3390%2Fjmse10081017.
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