Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)

One of the important challenges of the oil industry is the formation of asphaltene deposits and emulsions, which cause many operational and economic problems. Asphaltenes are heavy and polar fractions of petroleum with a mixture of diverse molecules. Their structural complexity makes the understandi...

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Main Authors: Masoumeh Hassanzadeh, Majid Abdouss
Format: Article
Language:English
Published: Elsevier 2022-12-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844022034582
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author Masoumeh Hassanzadeh
Majid Abdouss
author_facet Masoumeh Hassanzadeh
Majid Abdouss
author_sort Masoumeh Hassanzadeh
collection DOAJ
description One of the important challenges of the oil industry is the formation of asphaltene deposits and emulsions, which cause many operational and economic problems. Asphaltenes are heavy and polar fractions of petroleum with a mixture of diverse molecules. Their structural complexity makes the understanding of their properties puzzling. The purpose of this review is to understand the self-association and surface activity properties of asphaltenes. There are some popular models for the mechanism of asphaltene aggregation; each alone is not complete and without defects. Experimental studies and molecular dynamics demonstrate that the mechanism of aggregation is influenced by asphaltene’ structure, architecture, and intermolecular forces. Factors such as oil composition, temperature, and pressure affect its intensity. In this article, these issues and their impact on the self-assembly of asphaltenes and ways to prevent it, especially chemical inhibitors, have been discussed in detail.
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spelling doaj.art-db054c005ee1465e921289414df54ac82023-01-05T08:39:10ZengElsevierHeliyon2405-84402022-12-01812e12170Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)Masoumeh Hassanzadeh0Majid Abdouss1Department of Chemistry, Amirkabir University of Technology, P.O. Box:15875-4413, Tehran, IranCorresponding author.; Department of Chemistry, Amirkabir University of Technology, P.O. Box:15875-4413, Tehran, IranOne of the important challenges of the oil industry is the formation of asphaltene deposits and emulsions, which cause many operational and economic problems. Asphaltenes are heavy and polar fractions of petroleum with a mixture of diverse molecules. Their structural complexity makes the understanding of their properties puzzling. The purpose of this review is to understand the self-association and surface activity properties of asphaltenes. There are some popular models for the mechanism of asphaltene aggregation; each alone is not complete and without defects. Experimental studies and molecular dynamics demonstrate that the mechanism of aggregation is influenced by asphaltene’ structure, architecture, and intermolecular forces. Factors such as oil composition, temperature, and pressure affect its intensity. In this article, these issues and their impact on the self-assembly of asphaltenes and ways to prevent it, especially chemical inhibitors, have been discussed in detail.http://www.sciencedirect.com/science/article/pii/S2405844022034582AsphalteneStructureArchitectureSelf-associationSurface activityMolecular dynamics
spellingShingle Masoumeh Hassanzadeh
Majid Abdouss
Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)
Heliyon
Asphaltene
Structure
Architecture
Self-association
Surface activity
Molecular dynamics
title Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)
title_full Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)
title_fullStr Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)
title_full_unstemmed Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)
title_short Essential role of structure, architecture, and intermolecular interactions of asphaltene molecules on properties (self-association and surface activity)
title_sort essential role of structure architecture and intermolecular interactions of asphaltene molecules on properties self association and surface activity
topic Asphaltene
Structure
Architecture
Self-association
Surface activity
Molecular dynamics
url http://www.sciencedirect.com/science/article/pii/S2405844022034582
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