Process for electrolytically purifying a photographic waste solu

Details Process for electrolytically purifying a photographic waste solu Process for electrolytically purifying a photographic waste solu

1976-03-08

1976-12-21

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204149, C02B 182

Patent

active

039987108

ABSTRACT:
After silver has been recovered from a photographic waste solution, said waste solution is electrolytically purified by adding chloride ion and carbonate ion or chloride ion, carbonate ion and iodide or iodate ion to said waste solution under limited pH, temperature, anode current density and current concentration conditions.

REFERENCES:
patent: 1876830 (1932-09-01), Balassa
patent: 1905467 (1933-04-01), Hickman
patent: 1930143 (1933-10-01), Hickman et al.
patent: 2073621 (1937-03-01), Blaney
patent: 2073664 (1937-03-01), Weisberg et al.

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