Silver recovery apparatus

Details Silver recovery apparatus Silver recovery apparatus

1976-06-14

1977-06-07

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204109, 204234, 204273, 204275, C25C 120, C25C 700

Patent

active

040282120

ABSTRACT:
A silver recovery apparatus for use in conjunction with photographic development systems acting to remove metallic silver from the hypo bath. The present device includes an electrolytic cell within a closed chamber through which the hypo bath is bypassed. The silver contaminated hypo solution is passed through the electrolytic chamber with a uniform velocity and is distributed uniformly over an extended cathode surface without any moving parts within the chamber. This uniformity of velocity and distribution causes maximum deposition of silver onto the cathode so that the hypo solution returning to the development and fixing process is considerably rejuvenated and continues to operate at high efficiency.

REFERENCES:
patent: 1019969 (1912-03-01), Lacroix
patent: 3583897 (1971-06-01), Fulweiler
patent: 3715299 (1973-02-01), Anderson et al.
patent: 3728244 (1973-04-01), Cooley
patent: 3905890 (1975-09-01), Minegishi
patent: 3926768 (1975-12-01), Burgess

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