Process for the separation of oil-in-water emulsions by electrol

Details Process for the separation of oil-in-water emulsions by electrol Process for the separation of oil-in-water emulsions by electrol

1981-05-28

1984-03-27

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C02F 146

Patent

active

044392907

ABSTRACT:
Process for the continuous separation of oil-in-water emulsions, which may contain surfactants, for example oil- and surfactant-containing effluents, by electrolysis, which comprises electrolysing such emulsions at a pH value of 5 to 10 and under a potential difference of at least 1.5 volts between the electrodes, optionally in the presence of a coagulating agent, with the formation of discrete oil particles, floating these oil particles with the aid of hydrogen gas formed simultaneously at the cathode, and then separating off the oily phase thus formed which is optionally condensed by the addition of flocculating agents.

REFERENCES:
patent: 3783114 (1974-01-01), Ishii
patent: 4194972 (1980-03-01), Weintraub
patent: 4271028 (1981-06-01), Marfurt et al.

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