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Effect of Emulsification on Surfactant Partitioning in Surfactant‐Polymer Flooding
Author(s) -
Li Jierui,
Liu Weidong,
Sun Linghui,
Cong Sunan,
Jia Ruixuan,
Zhang Junjie,
Yang Ye
Publication year - 2019
Publication title -
journal of surfactants and detergents
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.349
H-Index - 48
eISSN - 1558-9293
pISSN - 1097-3958
DOI - 10.1002/jsde.12353
Subject(s) - partition coefficient , chemistry , pulmonary surfactant , polymer , partition (number theory) , asphaltene , chromatography , organic chemistry , biochemistry , mathematics , combinatorics
A laboratory surfactant‐polymer flooding experiment was performed to study the effect of emulsification on surfactant partitioning. The partition coefficient of petroleum sulfonates (KPS) after emulsification was significantly higher than that under static conditions. The partition coefficient of KPS gradually decreases with the increase of polymer concentration from 1000–3000 mg L −1 , indicating that the increase of polymer concentration could protect KPS from the partition loss of emulsification. The lower the oil–water ratio, the higher the partition coefficient. The partition coefficient of KPS of resin and asphaltene was higher than that of crude oil. Alkanes, aromatics, and other polar components in crude oil have a significant influence on the partition of KPS.