Metallurgical apparatus – Means for treating ores or for extracting metals – By means precipitating metal from solution
Patent
1990-01-29
1991-04-02
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
050042122
ABSTRACT:
An improved canister for the recovery of silver from acidic, waste fluids is described. This canister comprises both inner and outer element, each removable from the other, with fitted top and bottom sections. The novel canister thus described, provides a rapid flow of waste material through the system and is efficient and easy to use and manufacture than prior art elements. Plugging of the canisters due to intermittent use is also reduced in the element of this invention.
REFERENCES:
patent: 4441697 (1984-04-01), Peterson et al.
patent: 4740244 (1988-04-01), Williams
patent: 4854552 (1989-08-01), Williams
Andrews Melvyn J.
E. I. Du Pont de Nemours and Company
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