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Journal of Dispersion Science and Technology Volume 9, 1988 - Issue 5-6
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Original Articles

INTERFACIAL EFFECTS IN SOLIDS-STABILIZED EMULSIONS: EFFECT OF SURFACTANT AND pH ON FILM TENSION AND PARTICLE INTERACTION ENERGY

V.B. Menon Department of Chemical Engineering, Illinois Institute of Technology, Chicago, Illinois, 60616View further author information
,
A.D Nikolov Department of Chemical Engineering, Illinois Institute of Technology, Chicago, Illinois, 60616View further author information
&
D.T. Wasan Department of Chemical Engineering, Illinois Institute of Technology, Chicago, Illinois, 60616
Pages 575-593 | Published online: 27 Apr 2007
 
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Abstract

In this paper, the effects of surfactant and pH on film tension and particle interaction energy for a layer of hydrophobic particles at an oil/water (O/W) interface are discussed. The surfactant (Aerosol-OT) was found to decrease the film tension, while the effect of pH was more complex. The results of our study are interpreted on the basis of the electrokinetic properties of the system, and potential applications in emulsification and demulsification are discussed.

Additional information

Notes on contributors

V.B. Menon

Present address: Research Triangle Institute, P.O.Box 12194 Research triangle Park. North Carolina 27709

A.D Nikolov

On leave from the University of Sofia, Bulgaria.

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