Method of breaking an oil-in-water emulsion

Details Method of breaking an oil-in-water emulsion Method of breaking an oil-in-water emulsion

1976-12-27

1978-03-28

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204152, 204186, 210 13, C02B 182

Patent

active

040813380

ABSTRACT:
This disclosure is directed to a method of breaking an oil-in-water emulsion. Briefly, the method includes the steps of adjusting the pH of the oil-in-water emulsion to a pH in the range of 6 to 10. At least one part per million of a cation selected from Fe+2, Fe+3, Al+3, Cu+1 and Cu+2 is added to the oil-in-water emulsion. Thereafter, the oil-in-water emulsion is treated with a dissolvable iron electrode, the electrode being dissolvable by transmitting an electric current thereto. Sufficient electric current is transmitted through the electrode to develop a ferrous ion/oil weight ratio of at least 0.02. After treatment by the dissolvable electrode, the oil-in-water emulsion is held until the emulsion breaks.

REFERENCES:
patent: 3826725 (1974-07-01), Schick et al.
patent: 3892640 (1975-07-01), Furuta
patent: 3959131 (1976-05-01), Ramirez et al.

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