The effect of air sparging on the electrical resolution of water-in-oil emulsions

Bailes, P. J. (2001) The effect of air sparging on the electrical resolution of water-in-oil emulsions.

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Official URL: http://ir.nust.ac.zw/xmlui/handle/123456789/424

Abstract

Research Article,A novel process is described in which the resolution of a stable water-in-oil emulsion is augmented by the simultaneous use of pulsed DC electric 1elds and mild bubbling of the emulsion with air. The work has indicated that there is a synergistic effect of air sparging on demulsi1cation in the electric 1eld and that the maximum emulsion resolution requires the voltage to be pulsed with optimum frequency. Emulsion resolution was found to increase steadily with increasing air 5ow rate until a maximum value is reached after which the extent of phase separation starts to fall rapidly with further increase in the air 5ow rate. The electrical resolution was best (79% resolution) when the ratio of air to emulsion 5ow rate (volumetric) in the coalescer was about 120 : 1.,Engineering and Physical Sciences Research Council

Item Type: Article
Uncontrolled Keywords: Air sparging,Emulsion breaking,Coalescence,Electric field,Surfactant
Divisions: Universities > State Universities > National University of Science and Technology
Depositing User: Mr. Edmore Sibanda
Date Deposited: 30 Nov 2015 22:01
Last Modified: 30 Nov 2015 22:01
URI: http://researchdatabase.ac.zw/id/eprint/1081

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