Metallurgical apparatus – Means for treating ores or for extracting metals – By means precipitating metal from solution
Patent
1990-06-26
1991-03-05
Andrews, Melvyn J.
Metallurgical apparatus
Means for treating ores or for extracting metals
By means precipitating metal from solution
75713, 75733, C22B 302
Patent
active
049971662
ABSTRACT:
A sealed, pressurized system for processing silver bearing solutions, such as photographic solutions, for the purpose of removing the silver comprises a series of interconnected sealed containers each of which contains several spaced apart reels or masses of steel wool through which the silver bearing solution is slowly pumped under pressure and intermittently.
REFERENCES:
patent: 2905323 (1959-09-01), Megesi
patent: 4842644 (1989-06-01), Senff
patent: 4854552 (1989-08-01), Williams
Andrews Melvyn J.
Envirosave USA, Inc.
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