Decomposing oil-in-water emulsions using metal insert...

Details Decomposing oil-in-water emulsions using metal insert... Decomposing oil-in-water emulsions using metal insert...

C - Chemistry, Metallurgy

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204/89.5

C02F 1/463 (2006.01) B01D 17/06 (2006.01) C02F 1/40 (2006.01) C02F 1/46 (2006.01) C02F 1/465 (2006.01) C02F 1/68 (2006.01) C23G 1/36 (2006.01)

Patent

CA 1299512

28135-2 ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the elec- trolytic decomposition of oil/water emulsions in an electrolysis cell that is operated with direct current. According to the pre- sent invention the emulsions are decomposed in a cell having at least one pair of inert (permanent) electrodes and one or more dissoluble metal inserts interposed between the electrodes, in an acid to alkaline range at a current consumption of the to 4 Ah/dm3 with purification resulting from coagulation and flotation. The metal inserts dissolve into the emulsions and for metal-hydroxyl complexes that combine with the oil components of the emulsion, forming aggregates that float upwardly. The process requires a single electrolysis cell and is efficient.

488503

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