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   Articles with "asphaltene" as a keyword



Performance improvement on the cold flow properties of crude oil with high asphaltene by adjusting the polarity of the third monomer in polymers

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recommendations! Published in 2024 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.55254

Abstract: Asphaltenes and waxes are the primary factors affecting the cold flow properties of crude oil. In this paper, based on the binary polymer of acrylate‐maleic anhydride (PM22‐MA), different third polar groups of acrylamide, N‐(hydroxymethyl) acrylamide,… read more here.

Keywords: flow properties; properties crude; oil; crude oil ... See more keywords

Investigation of asphaltene aggregate size: influence of Fe3O4 nanoparticles, asphaltene type, and flocculant

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recommendations! Published in 2021 at "Chemical Papers"

DOI: 10.1007/s11696-020-01483-w

Abstract: Recently, different investigations have been performed to study the inhibiting effect of metal nanoparticles, which have shown high competence in delaying the onset of asphaltene precipitation. The goal of this work is to investigate the… read more here.

Keywords: size; inhibiting effect; aggregate size; asphaltene ... See more keywords

Upgrading fuzzy logic by GA-PS to determine asphaltene stability in crude oil

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recommendations! Published in 2017 at "Egyptian Journal of Petroleum"

DOI: 10.1016/j.ejpe.2016.07.001

Abstract: Precipitation and deposition of asphaltene are undesirable phenomena that arise during petroleum production which give rise to a pronounced rate of increase in operational cost and adversely affect production rates as well. Hence, it is… read more here.

Keywords: fuzzy logic; crude oil; asphaltene; asphaltene stability ... See more keywords

Interfacial rheology of asphaltene emulsions in the presence of nanoemulsions based on a polyoxide surfactant and asphaltene dispersant

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recommendations! Published in 2017 at "Fuel"

DOI: 10.1016/j.fuel.2016.12.051

Abstract: Abstract The development of oil-in-water nanoemulsions for application as demulsifiers has attracted a great deal of interest from chemical supply companies in the oil sector, due to the cost savings and advantages of replacing organic… read more here.

Keywords: asphaltene emulsions; rheology asphaltene; interfacial rheology; rheology ... See more keywords

Preferential adsorption of nickel porphyrin to resin to increase asphaltene precipitation

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recommendations! Published in 2019 at "Fuel"

DOI: 10.1016/j.fuel.2018.09.034

Abstract: Abstract This paper incorporates a multi-scale approach to evaluate the contribution of nickel porphyrin to the aggregation and precipitation of asphaltenes in a medium of solvent/precipitator. This study provides an in-depth understanding of the role… read more here.

Keywords: asphaltene; resin; precipitation; preferential adsorption ... See more keywords
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From crude oil production nuisance to promising energy storage material: Development of high-performance asphaltene-derived supercapacitors

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recommendations! Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2019.116641

Abstract: Abstract Supercapacitors require the use of electrode materials exhibiting high surface area, thermal and environmental stability, low cost and good conductivity. Asphaltene, an undesired and problematic fraction of crude oil production, is one such cost-effective… read more here.

Keywords: crude oil; asphaltene; energy storage; energy ... See more keywords
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Comprehensive molecular scale modeling of anionic surfactant-asphaltene interactions

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recommendations! Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2020.119729

Abstract: Abstract Asphaltene is the heaviest fraction of oil sands/bitumen, which is also the leading cause of these oil resources' high viscosity value. Nowadays, steam with additives is used to make oil sands/bitumen mobile through a… read more here.

Keywords: oil sands; comprehensive molecular; molecular scale; molecular interactions ... See more keywords
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Asphaltene instability in the presence of emulsified aqueous phase

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recommendations! Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2021.121528

Abstract: Abstract Water cut of high salinity, which is reported to be on the rise in many reservoirs, may profoundly exacerbate asphaltene related problems. In this work, the impact of the emulsified aqueous phase in synthetic… read more here.

Keywords: asphaltene; water; emulsified aqueous; oil ... See more keywords

Analysis of the asphaltene properties of heavy crude oil under ultrasonic and microwave irradiation

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recommendations! Published in 2017 at "Journal of Analytical and Applied Pyrolysis"

DOI: 10.1016/j.jaap.2017.11.015

Abstract: Abstract Using new technologies are quite significant in the production and development of heavy oil reservoirs. In this study, the effects of microwave (MW) and ultrasonic (US) waves on the properties of Ellam heavy crude… read more here.

Keywords: heavy crude; size; crude oil; asphaltene ... See more keywords

Toward mechanistic understanding of asphaltene aggregation behavior in toluene: The roles of asphaltene structure, aging time, temperature, and ultrasonic radiation

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recommendations! Published in 2018 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2018.04.061

Abstract: Abstract Many investigations have been carried out to provide a good understanding of the colloidal state of asphaltenes in appropriate solvents such as toluene or natural medium. Despite these attempts, the mechanism of asphaltene aggregation… read more here.

Keywords: size asphaltene; aging time; size; structure ... See more keywords

NMR Characterization of Asphaltene Derived from Residual Oils and Their Thermal Decomposition

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recommendations! Published in 2017 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.6b03433

Abstract: The main objective of this work is to determine the effect of thermal cracking on asphaltene molecular structure by using nuclear magnetic resonance (NMR). The NMR is used to identify and quantify the structural parameters… read more here.

Keywords: characterization asphaltene; asphaltene derived; derived residual; asphaltene molecules ... See more keywords