Aggregation of asphaltenes in the presence of dispersant S5A

E. V. Maltseva, A. M. Gorshkov, N. V. Yudina, Yu V. Loskutova, L. V. Chekantseva, L. V. Shishmina

Division for Oil and Gas Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Aggregation of asphaltenes over time in the presence of dispersant S5A has been studied using photon correlation spectroscopy. The addition of the dispersant to toluene solutions of asphaltenes decreases the size of the aggregates, stabilizes their growth, and reduces the rate of aggregation for a considerably long time. The growth stabilization is achieved at the asphaltenes to dispersant ratio of 0.2–4.

Original language	English
Pages (from-to)	48-53
Number of pages	6
Journal	Petroleum Chemistry
Volume	57
Issue number	1
DOIs	https://doi.org/10.1134/S0965544116080119
Publication status	Published - 1 Jan 2017

Keywords

aggregation
asphaltenes
dispersant
dispersion
high-viscosity oil
photon correlation spectroscopy
toluene

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Fuel Technology
Energy Engineering and Power Technology
Geochemistry and Petrology

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title = "Aggregation of asphaltenes in the presence of dispersant S5A",

abstract = "Aggregation of asphaltenes over time in the presence of dispersant S5A has been studied using photon correlation spectroscopy. The addition of the dispersant to toluene solutions of asphaltenes decreases the size of the aggregates, stabilizes their growth, and reduces the rate of aggregation for a considerably long time. The growth stabilization is achieved at the asphaltenes to dispersant ratio of 0.2–4.",

keywords = "aggregation, asphaltenes, dispersant, dispersion, high-viscosity oil, photon correlation spectroscopy, toluene",

author = "Maltseva, {E. V.} and Gorshkov, {A. M.} and Yudina, {N. V.} and Loskutova, {Yu V.} and Chekantseva, {L. V.} and Shishmina, {L. V.}",

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AU - Maltseva, E. V.

AU - Gorshkov, A. M.

AU - Yudina, N. V.

AU - Loskutova, Yu V.

AU - Chekantseva, L. V.

AU - Shishmina, L. V.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Aggregation of asphaltenes over time in the presence of dispersant S5A has been studied using photon correlation spectroscopy. The addition of the dispersant to toluene solutions of asphaltenes decreases the size of the aggregates, stabilizes their growth, and reduces the rate of aggregation for a considerably long time. The growth stabilization is achieved at the asphaltenes to dispersant ratio of 0.2–4.

AB - Aggregation of asphaltenes over time in the presence of dispersant S5A has been studied using photon correlation spectroscopy. The addition of the dispersant to toluene solutions of asphaltenes decreases the size of the aggregates, stabilizes their growth, and reduces the rate of aggregation for a considerably long time. The growth stabilization is achieved at the asphaltenes to dispersant ratio of 0.2–4.

KW - aggregation

KW - asphaltenes

KW - dispersant

KW - dispersion

KW - high-viscosity oil

KW - photon correlation spectroscopy

KW - toluene

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