Method for the electro-oxidation of photographic solutions

Details Method for the electro-oxidation of photographic solutions Method for the electro-oxidation of photographic solutions

1996-04-09

1997-11-18

Gorgos, Kathryn L.

Electrolysis: processes, compositions used therein, and methods

Electrolytic material treatment

Water, sewage, or other waste water

205751, 205760, C02F 146

Patent

active

056883935

ABSTRACT:
The invention concerns a method for the treatment by electrolysis of used photographic solutions, in particular those containing developers for X-ray films, in an electrolysis cell comprising at least one platinum anode and at least one cathode. According to the invention, a current density profile is used, and the current density at the start of electrolysis does not exceed 50% of the maximum density of the electrolysis current. The invention enables the quantity of foam formed during electrolysis to be reduced.

REFERENCES:
patent: 3998710 (1976-12-01), Itai et al.
patent: 4046655 (1977-09-01), Itai et al.
patent: 5160417 (1992-11-01), Neale
patent: 5277775 (1994-01-01), Neale
patent: 5543030 (1996-08-01), Shiramizn et al.

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