2018
DOI: 10.1021/acs.energyfuels.8b00785
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Effect of Oleic Acid on the Dynamic Interfacial Tensions of Surfactant Solutions

Abstract: The dynamic interfacial tensions (IFTs) of three different types of surfactant solutions, cationic surfactant hexadecyl trimethylammonium (CTAB), anionic surfactant sodium dodecyl benzenesulfonate (SDBS), and non-ionic surfactant Triton X-100 (TX-100), against model oil containing oleic acid (OA) have been investigated by a spinning drop interfacial tensiometer. The influences of the OA concentration and addition of alkali have been studied. The experimental results show that OA added to the oil phase has a si… Show more

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Cited by 7 publications
(2 citation statements)
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“…However, the formation of O/W microemulsions is completely hindered when soybean oil is used in dispersions. This may be explained as a result of the partial incorporation of oil molecules into the interfacial layer, as was previously reported in the literature [73,74], which can provide additional stabilization to the dispersion. Thus, oleic acid, whose molecular size similar to a conventional surfactant, may play a surfactant role at the interface, contributing to the decrease of the surface tension and hence, to the stabilization of the O/W microemulsions.…”
Section: Characterization Of Bare Oil-in-water Microemulsionssupporting
confidence: 65%
“…However, the formation of O/W microemulsions is completely hindered when soybean oil is used in dispersions. This may be explained as a result of the partial incorporation of oil molecules into the interfacial layer, as was previously reported in the literature [73,74], which can provide additional stabilization to the dispersion. Thus, oleic acid, whose molecular size similar to a conventional surfactant, may play a surfactant role at the interface, contributing to the decrease of the surface tension and hence, to the stabilization of the O/W microemulsions.…”
Section: Characterization Of Bare Oil-in-water Microemulsionssupporting
confidence: 65%
“…The active water flooding is to add surfactant into the water as the injection medium. Surfactant has the ability to reduce the oil-water interfacial tension apparently and effectively, change the internal wettability of porous media, and increase the dispersion of crude oil in water, thereby effectively improving oil recovery [23][24][25]. Active water flooding had a good performance in the development of tight reservoirs in Ordos Basin and had great potential in the future [26,27].…”
Section: Introductionmentioning
confidence: 99%