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

doi:10.1134/S0965544116080119

Aggregation of asphaltenes in the presence of dispersant S5A

作者: Maltseva E.V.¹, Gorshkov A.M.², Yudina N.V.¹, Loskutova Y.V.¹, Chekantseva L.V.², Shishmina L.V.²
隶属关系:
1. Institute of Petroleum Chemistry, Siberian Branch
2. Institute of Natural Resources
期: 卷 57, 编号 1 (2017)
页面: 48-53
栏目: Article
URL: https://journals.rcsi.science/0965-5441/article/view/178981
DOI: https://doi.org/10.1134/S0965544116080119
ID: 178981

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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.