C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
204/81
C02F 1/46 (2006.01) B01D 17/02 (2006.01) C02F 1/465 (2006.01) C02F 1/52 (2006.01) C02F 1/54 (2006.01)
Patent
CA 1199886
Process for the separation of oil-in-water emulsions by electrolysis 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.
378838
Marfurt Hans-Rudolf
Zurrer August
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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