Recovery of silver from photographic processor effluents

Details Recovery of silver from photographic processor effluents Recovery of silver from photographic processor effluents

1980-06-06

1981-07-21

Hearn, Brian E.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

134 64P, 354277, C22B 1104

Patent

active

042796440

ABSTRACT:
Wash-off effluent from a photographic film processor is desilvered by a continuous process, employing the following sequence of steps:

REFERENCES:
patent: 2507175 (1980-05-01), Pool
patent: 3334995 (1967-08-01), Gaspar
patent: 3660079 (1972-05-01), Govani
patent: 3982932 (1976-09-01), Korosi
patent: 4078916 (1978-03-01), Gerber
patent: 4131455 (1978-12-01), Edwards
patent: 4150977 (1979-04-01), Phillips
Cook et al., in Journal of Applied Photographic Engineering, vol. 5, No. 3, Summer 1979, pp. 144-147.
"Silver Recovery from Spen Photographic Fixers Using Vensil", (Brochure) Ventron Corp., Lynn, Massachusetts (no date).

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