2021
DOI: 10.1002/ceat.201900455
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Impact of Liquid Composition and Asphaltene Properties on Asphaltene Aggregation Using Interaction Energies

Abstract: An interaction energy model is employed to discern the roles of liquid composition and asphaltene properties on asphaltene stability. The model determines Lifshitz-van der Waals (LW) and acid-base (AB) for two asphaltenes of A and B types with different polarities and synthetic oils with different nC 7 volume fractions. The results indicate that the liquid loses its solubility with increased nC 7 volume fraction, due to the reduction in its electron donor component. Moreover, at the very beginning of nC 7 addi… Show more

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Cited by 3 publications
(2 citation statements)
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“…Heavy oil belongs to an extremely complex colloidal system . Both asphaltene and colloids readily associate to form aggregates because of their strong polarity . Asphaltene molecules also form a micelle core .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Heavy oil belongs to an extremely complex colloidal system . Both asphaltene and colloids readily associate to form aggregates because of their strong polarity . Asphaltene molecules also form a micelle core .…”
Section: Resultsmentioning
confidence: 99%
“…57 Both asphaltene and colloids readily associate to form aggregates because of their strong polarity. 58 Asphaltene molecules also form a micelle core. 59 Colloids, aromatic hydrocarbons, and saturated hydrocarbons are adsorbed around micelles.…”
Section: Fluid Diffusion In Heavy Oil Figures 6−8 Displaymentioning
confidence: 99%