Influence of aggregation of asphaltenes on the rheological properties of oil

E. V. Mal'Tseva, A. M. Gorshkov, L. V. Chekantseva, L. V. Shishmina, N. V. Yudina

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Photon correlation spectroscopy was used to determine the threshold concentrations of n-heptane for phase transitions of asphaltenes in model systems for two types of oil. The rheological properties exhibited by high-paraffin oil in the asphaltene aggregation process were analyzed. It was shown that the presence of resin and paraffi n fractions in oil prevents phase transition of asphaltenes at the threshold concentration of n-heptane for the model system, so that a higher precipitant concentrations is required for aggregation of asphaltenes and formation of oil sludge.

Original languageEnglish
Pages (from-to)1370-1375
Number of pages6
JournalRussian Journal of Applied Chemistry
Volume86
Issue number9
DOIs
Publication statusPublished - Sep 2013

Fingerprint

Asphaltenes
Oils
Agglomeration
Heptane
Phase transitions
Paraffin oils
Photon correlation spectroscopy
Resins
n-heptane

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Influence of aggregation of asphaltenes on the rheological properties of oil. / Mal'Tseva, E. V.; Gorshkov, A. M.; Chekantseva, L. V.; Shishmina, L. V.; Yudina, N. V.

In: Russian Journal of Applied Chemistry, Vol. 86, No. 9, 09.2013, p. 1370-1375.

Research output: Contribution to journalArticle

Mal'Tseva, E. V. ; Gorshkov, A. M. ; Chekantseva, L. V. ; Shishmina, L. V. ; Yudina, N. V. / Influence of aggregation of asphaltenes on the rheological properties of oil. In: Russian Journal of Applied Chemistry. 2013 ; Vol. 86, No. 9. pp. 1370-1375.
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