Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability

The effects of asphaltenes from two heavy oil residues on the sedimentation stability of residual marine fuels were assessed and compared. As base components of residual marine fuels, the vacuum residue (VacRes) and visbreaking residue (VisRes) were taken. The heptane-insoluble fractions (HI-fractio...

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Autores principales:	Ksenia I. Smyshlyaeva, Viacheslav A. Rudko, Vladimir G. Povarov, Alina A. Shaidulina, Ignaty Efimov, Renat R. Gabdulkhakov, Igor N. Pyagay, James G. Speight
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	heptane-insoluble fraction SARA ternary phase diagrams petroleum residues TSA Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581
Acceso en línea:	https://doaj.org/article/5336b76eae05420f84ff68b7df7c3923
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spelling	oai:doaj.org-article:5336b76eae05420f84ff68b7df7c39232021-11-25T18:04:36ZInfluence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability10.3390/jmse91112352077-1312https://doaj.org/article/5336b76eae05420f84ff68b7df7c39232021-11-01T00:00:00Zhttps://www.mdpi.com/2077-1312/9/11/1235https://doaj.org/toc/2077-1312The effects of asphaltenes from two heavy oil residues on the sedimentation stability of residual marine fuels were assessed and compared. As base components of residual marine fuels, the vacuum residue (VacRes) and visbreaking residue (VisRes) were taken. The heptane-insoluble fractions (HI-fractions), including asphaltenes, isolated from vacuum residue and visbreaking residue, were analyzed to determine the elemental composition (XRF) and cluster parameters (XRD). The results of the analysis of the parameters of the asphaltene cluster (HI-fraction) for vacuum residue and visbreaking residue showed that <i>d</i><sub>γ</sub> – 6.1 and 5.9 Å, <i>L<sub>c</sub></i> – 26.72 and 20.78 Å, and <i>L<sub>a</sub></i> – 7.68 and 7.20 Å. The sedimentation stability of residual marine fuel was determined according to the ISO 10307-1-2009 (TSA) method and described using ternary phase diagrams. The ratio of stable compositions to the total number of possible compositions (with a step of 10 wt%) was 65/66 or 98.5% for residual marine fuel comprising a mixture VacRes/ULSD/LCGO (vacuum residue/ultra-low sulphur diesel/light catalytic gas oil). Meanwhile, the ratio of stable compositions to the total number of possible compositions was 38/66 or 57.6% for residual marine fuel comprising a mixture VisRes/ULSD/LCGO (visbreaking residue/ultra-low sulphur diesel/light catalytic gas oil).Ksenia I. SmyshlyaevaViacheslav A. RudkoVladimir G. PovarovAlina A. ShaidulinaIgnaty EfimovRenat R. GabdulkhakovIgor N. PyagayJames G. SpeightMDPI AGarticleheptane-insoluble fractionSARAternary phase diagramspetroleum residuesTSANaval architecture. Shipbuilding. Marine engineeringVM1-989OceanographyGC1-1581ENJournal of Marine Science and Engineering, Vol 9, Iss 1235, p 1235 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	heptane-insoluble fraction SARA ternary phase diagrams petroleum residues TSA Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581
spellingShingle	heptane-insoluble fraction SARA ternary phase diagrams petroleum residues TSA Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581 Ksenia I. Smyshlyaeva Viacheslav A. Rudko Vladimir G. Povarov Alina A. Shaidulina Ignaty Efimov Renat R. Gabdulkhakov Igor N. Pyagay James G. Speight Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability
description	The effects of asphaltenes from two heavy oil residues on the sedimentation stability of residual marine fuels were assessed and compared. As base components of residual marine fuels, the vacuum residue (VacRes) and visbreaking residue (VisRes) were taken. The heptane-insoluble fractions (HI-fractions), including asphaltenes, isolated from vacuum residue and visbreaking residue, were analyzed to determine the elemental composition (XRF) and cluster parameters (XRD). The results of the analysis of the parameters of the asphaltene cluster (HI-fraction) for vacuum residue and visbreaking residue showed that <i>d</i><sub>γ</sub> – 6.1 and 5.9 Å, <i>L<sub>c</sub></i> – 26.72 and 20.78 Å, and <i>L<sub>a</sub></i> – 7.68 and 7.20 Å. The sedimentation stability of residual marine fuel was determined according to the ISO 10307-1-2009 (TSA) method and described using ternary phase diagrams. The ratio of stable compositions to the total number of possible compositions (with a step of 10 wt%) was 65/66 or 98.5% for residual marine fuel comprising a mixture VacRes/ULSD/LCGO (vacuum residue/ultra-low sulphur diesel/light catalytic gas oil). Meanwhile, the ratio of stable compositions to the total number of possible compositions was 38/66 or 57.6% for residual marine fuel comprising a mixture VisRes/ULSD/LCGO (visbreaking residue/ultra-low sulphur diesel/light catalytic gas oil).
format	article
author	Ksenia I. Smyshlyaeva Viacheslav A. Rudko Vladimir G. Povarov Alina A. Shaidulina Ignaty Efimov Renat R. Gabdulkhakov Igor N. Pyagay James G. Speight
author_facet	Ksenia I. Smyshlyaeva Viacheslav A. Rudko Vladimir G. Povarov Alina A. Shaidulina Ignaty Efimov Renat R. Gabdulkhakov Igor N. Pyagay James G. Speight
author_sort	Ksenia I. Smyshlyaeva
title	Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability
title_short	Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability
title_full	Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability
title_fullStr	Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability
title_full_unstemmed	Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability
title_sort	influence of asphaltenes on the low-sulphur residual marine fuels’ stability
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5336b76eae05420f84ff68b7df7c3923
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Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability

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