Electric field-driven, magnetically-stabilized ferro-emulsion ph

Details Electric field-driven, magnetically-stabilized ferro-emulsion ph Electric field-driven, magnetically-stabilized ferro-emulsion ph

1989-11-27

1990-07-17

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204302, B03C 500

Patent

active

049419595

ABSTRACT:
Methods and systems for interfacial surface area contact between a dispersed phase liquid and a continuous phase liquid in counter-current flow for purposes such as solvent extraction. Initial droplets of a dispersed phase liquid material containing ferromagnetic particles functioning as a "packing" are introduced to a counter-current flow of the continuous phase. A high intensity pulsed electric field is applied so as to shatter the initial droplets into a ferromagnetic emulsion comprising many smaller daughter droplets having a greater combined total surface area than that of the initial droplets in contact with the continuous phase material. A magnetic field is applied to control the position of the ferromagnetic emulsion for enhanced coalescence of the daughter droplets into larger reformed droplets.

REFERENCES:
patent: 4767515 (1988-08-01), Scott et al.
Rosenweig, "Fluidization: Hydrodynamic Stabilization with a Magnetic Field", Science, vol. 204, Apr. 6, 1979.

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