Process for regenerating bleaching-fixing solution

Details Process for regenerating bleaching-fixing solution Process for regenerating bleaching-fixing solution

1977-02-25

1978-12-05

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

95 60BF, 96 50A, 204109, 204180P, C25C 120

Patent

active

041284640

ABSTRACT:
A process for electrolytically regenerating a used bleaching-fixing solution resulting from the processing of a color developed color photographic material with a bleaching-fixing solution containing an iron (III) chelate compound and a silver halide solvent, which comprises bubbling an oxygen-containing gas into an anode compartment containing said used bleaching-fixing solution while electrolyzing said used bleaching-fixing solution in an electrolytic cell.

REFERENCES:
patent: 3103474 (1963-09-01), Juda
patent: 3124520 (1964-03-01), Juda
patent: 3634088 (1972-01-01), Cooley
patent: 3700450 (1972-10-01), Cooley
patent: 3751251 (1973-08-01), Surash
patent: 3832453 (1974-08-01), Slovonsky et al.
patent: 3907568 (1975-09-01), Shirasu et al.
patent: 4013527 (1977-03-01), Idota et al.
patent: 4036715 (1977-07-01), Baden et al.

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