Electric field enhanced coalescence of emulsions comprising a si

Details Electric field enhanced coalescence of emulsions comprising a si Electric field enhanced coalescence of emulsions comprising a si

1996-11-12

1999-01-19

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Processes and products

Electrical

204564, 204565, 204567, 204569, 204573, B01D 1706, B01D 5700, C10G 3202, C10G 3302

Patent

active

058610898

ABSTRACT:
A process for separating an emulsion into separate and easily recoverable phases. The process comprises exposing an emulsion comprising a discontinuous phase and a non-conducting continuous phase to an electric field thereby effecting coalescence of the discontinuous phase into droplets of a size for effective gravitation from the continuous phase, where the discontinuous phase and the continuous phase have different dielectric constants and densities and at least one of the phases comprise a silicon containing compound or a silicon containing polymer. The present process is especially useful for separating emulsions where the discontinuous phase is an aqueous acid solution and the continuous phase is diorganopolysiloxane.

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patent: 4056451 (1977-11-01), Hodgson
patent: 4126537 (1978-11-01), Prestridge
patent: 4308127 (1981-12-01), Prestridge et al.
patent: 4545914 (1985-10-01), Graiver et al.

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