Synthesis and characterization of new Gemini surfactants and used there to treatment W/O emulsions in heavy crude oil

L. Zughir, Rabab; H. Kadhim, Samah; S. Abid, Dawod

doi:10.22034/ecc.2023.378533.1583

Document Type : Original Research Article

Authors

¹ Department of Chemistry, College of Science University of Thi-Qar,64001, Thi-Qar, Iraq

² Collage of Education for Pure Sciences, University of Basra, Basra, Iraq

https://doi.org/10.22034/ecc.2023.378533.1583

Abstract

Selected cationic Gemini surfactants were effective in separating water-oil emulsions, whereas cationic Gemini surfactants are (R1 and R2) with alkyl chain lengths of 5 and 6. Their characterization was done by FTIR, ¹H-NMR, and¹³C-NMR characters of these "new Gemini surfactants". These Gemini surfactants' basic surface properties were investigated by measuring the relationship between electrical conductivity and surfactant concentration to determine critical micelles concentration CMC. Demulsification (emulsion breaking) is necessary in many practical applications as the petroleum industry and wastewater treatment in environmental technology. Demulsifiers with amine were used for breaking of water in crude oil emulsion in this study. The relative rate of water separation was determined via breaker tests. The demulsifier which has longer alkyl chain length had a better performance on breaking emulsion than demulsifier which has shorter alkyl chain length.

Graphical Abstract

Keywords

Main Subjects

Organic Chemistry

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Copyright © 2023 by SPC (Sami Publishing Company) + is an open access article distributed under the Creative Commons Attribution License(CC BY) license (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Eurasian Chemical Communications

Synthesis and characterization of new Gemini surfactants and used there to treatment W/O emulsions in heavy crude oil

References

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Volume 5, Issue 6
June 2023
Pages 483-491

Synthesis and characterization of new Gemini surfactants and used there to treatment W/O emulsions in heavy crude oil

References

References

[10] P.F. Oliveira, I.C.V.M. Santos, H.V.P. Vieira, A.K. Fraga, C.R.E. Mansur, Interfacial rheology of asphaltene emulsions in the presence of nanoemulsions based on a polyoxide surfactant and asphaltene dispersant, 2017, 193, 220-229. [Crossref], [Google Scholar], [Publisher]

Volume 5, Issue 6June 2023Pages 483-491

Volume 5, Issue 6
June 2023
Pages 483-491