Oil-Water Interfacial Tensions of Silica Nanoparticle-Surfactant Formulations

Sarmad Al-Anssari; Shaobin Wang; Ahmed Barifcani; Stefan Iglauer

doi:10.3139/113.110511

Published by De Gruyter December 9, 2017

Oil-Water Interfacial Tensions of Silica Nanoparticle-Surfactant Formulations

Öl-Wasser-Grenzflächenspannungen von Siliciumdioxid-Nanopartikel-Tensid-Formulierungen

Sarmad Al-Anssari , Shaobin Wang , Ahmed Barifcani and Stefan Iglauer

From the journal Tenside Surfactants Detergents

https://doi.org/10.3139/113.110511

Showing a limited preview of this publication:

Abstract

The implementation of nanotechnology in all industries is one of most significant research fields. Nanoparticles have shown a promising application in subsurface fields. On the other hand, various surfactants have been used in the oil industry to reduce oil/water interfacial tension and also widely used to stabilize the nano-suspensions. The primary objective of this study was to investigate the improvements of surfactants ability in term of interfacial tension (γ) reduction utilizing addition of silicon dioxide nanoparticles at different temperatures and salinity. The pendant drop technique has been used to measure γ and electrical conductivity has been used to measure the critical micelle concentration (CMC). The synergistic effects of surfactant-nanoparticles, salt-nanoparticles, and surfactant-salt-nanoparticles on γ reduction and the critical micelle concentration of the surfactants have been investigated. Extensive series of experiments for γ and CMC measurements were performed. The optimum condition for each formulation is shown. We conclude that nanoparticles-surfactant can significantly reduce γ if correctly formulated.

Kurzfassung

Die Einführung der Nanotechnologie in allen Branchen ist eines der bedeutendsten Forschungsfelder. Nanopartikel haben vielversprechende Anwendungen in unterirdischen Bereichen gezeigt. Andererseits wurden verschiedene Tenside in der Ölindustrie verwendet, um die Öl/Wasser-Grenzflächenspannung zu reduzieren und häufig auch zur Stabilisierung von Nanosuspensionen verwendet. Das primäre Ziel dieser Studie war es, die Fähigkeit der Tenside im Hinblick auf die Reduktion der Grenzflächenspannung (γ) unter Zugabe von Siliciumdioxid-Nanopartikel bei verschiedenen Temperaturen und Salzgehalt zu verbessern. Die Pendant-Drop-Technik wurde verwendet, um die Grenzflächenspannung zu messen, und die elektrische Leitfähigkeit wurde verwendet, um die kritische Mizellenbildungskonzentration (CMC) zu bestimmen. Die synergistischen Effekte von Tensid-Nanopartikel, Salz-Nanopartikel und Tensid-Salz-Nanopartikel auf die Reduktion der Grenzflächenspannung und die CMC der Tenside wurden bestimmt. Es wurden umfangreiche Versuchsreihen zur Messung von γ und der CMC durchgeführt. Für jede Formulierung ist eine optimale Bedingung aufgestellt. Wir schließen daraus, dass Nanopartikel-Tensid-Formulierungen die Grenzflächenspannung signifikant reduzieren können, wenn sie richtig formuliert sind.

Key words: Nanoparticles; silicon dioxide; surfactant; interfacial tension

Stichwörter: Nanopartikel; Siliziumdioxid; Tensid; Grenzflächenspannung

*Correspondence address, Dr. Sarmad Al-nssari, ^aDepartment of Chemical Engineering, Curtin University, Kent Street, 6102 Bentley, Australia, ^bDepartment of Chemical Engineering, University of Baghdad, Iraq, E-Mail: sarmad.al-anssari@postgrad.curtin.edu.au, sarmadfoad@yahoo.com

Sarmad Al-Anssari has earned a bachelor's and master's degree in chemical engineering from University of Baghdad and he worked as a faculty member in the same university for more than 10 years. Currently he is a Ph.D. student in Chemical Engineering at Curtin University, WA, Australia. His research interest is on different applications of nanoparticles and nanofluids in different disciplines, including wettability alteration, enhanced oil recovery, and carbon capture and storage.

Shaobin Wang is a Professor at Curtin University, Perth, Australia, in the Department of Chemical Engineering. He has around 315 publications. His research interests center on nanocomposites, adsorption, oxidation, photocatalysts and wastewater treatment.

Ahmed Barifcani has BSc, MSc & PhD degrees in chemical engineering from University of Birmingham UK. He is working as an Associate Professor in the Department of Petroleum Engineering, at Curtin University, WA since 2006. He is a fellow and a Chartered Scientist of the institution of chemical engineers (FIChemE & CSci). He has many publication on flow assurance, LNG enhanced oil recovery, CO₂ capture and storage. He holds over 30 years of industrial experience in operation design, engineering, construction, project management, research & development in the fields of oil refining, gas processing, petrochemicals, flow assurance and CO₂ capture.

Stefan Iglauer holds a PhD degree in material science from Oxford Brookes University (UK) and MSc degree in chemistry from the University of Paderborn (Germany). He is an Associate Professor at Curtin University, Perth, Australia, in the Department of Petroleum Engineering. His research interests are in CO₂ geo-storage, wettability, and multi-phase flow through porous rock with a particular focus on atomic to pore-scale processes. Stefan has authored more than 90 technical publications.

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Received: 2016-10-28

Accepted: 2017-01-17

Published Online: 2017-12-09

Published in Print: 2017-07-14

Oil-Water Interfacial Tensions of Silica Nanoparticle-Surfactant Formulations

Abstract

Kurzfassung

References

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