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An Investigation of the Effect of the Addition of Hydrophobic Silica Nanoparticles on the Colloidal Stability of Inverse Emulsions

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Abstract

The results of experimental studies of the effect of the addition of silica nanoparticles on the stability of inverse emulsions based on mineral oils have been presented. The concentration of nanoparticles in the emulsion varied from 0.25 to 2 wt %. The ratios of the volume fractions of the hydrocarbon phase and water 70/30, 80/20, and 90/10 have been studied. Several types of emulsifiers have been considered. It has been shown that hydrophobic SiO2 nanoparticles significantly improve the stability of inverse emulsions even in small concentrations. The rate of destabilization of the emulsion has been reduced by 1.7 times by the addition of 2 wt % of nanoparticles.

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Funding

This study was carried out with the financial support of the Russian Science Foundation in the framework of project no. 17-79-20218 “Application of Nanofluids in Technologies for the Development and Operation of Oil and Gas Fields.”

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Authors and Affiliations

  1. Siberian Federal University, 660041, Krasnoyarsk, Russia

    E. I. Mikhienkova, A. V. Minakov, S. V. Lysakov, A. L. Neverov & M. I. Pryazhnikov

  2. Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Science, 630090, Novosibirsk, Russia

    A. V. Minakov

Authors
  1. E. I. Mikhienkova
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  2. A. V. Minakov
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  3. S. V. Lysakov
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  4. A. L. Neverov
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  5. M. I. Pryazhnikov
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Corresponding author

Correspondence to E. I. Mikhienkova.

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The authors declare that they have no conflicts of interest.

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Translated by N. Petrov

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Mikhienkova, E.I., Minakov, A.V., Lysakov, S.V. et al. An Investigation of the Effect of the Addition of Hydrophobic Silica Nanoparticles on the Colloidal Stability of Inverse Emulsions. Tech. Phys. Lett. 47, 766–769 (2021). https://doi.org/10.1134/S1063785021080095

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  • DOI: https://doi.org/10.1134/S1063785021080095

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