Influence of aggregation of asphaltenes on the rheological properties of oil

Influence of aggregation of asphaltenes on the rheological properties of oil 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. Russian Journal of Applied Chemistry Springer Journals

Influence of aggregation of asphaltenes on the rheological properties of oil

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Springer US
Copyright © 2013 by Pleiades Publishing, Ltd.
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
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