Flotation recovery of lead, silver and gold as sulfides from ele

Details Flotation recovery of lead, silver and gold as sulfides from ele Flotation recovery of lead, silver and gold as sulfides from ele

1981-09-29

1983-05-24

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 48, 423 89, 423109, 209166, 209167, B03D 106

Patent

active

043850383

ABSTRACT:
A process is disclosed for the recovery of lead, silver and gold from the iron-bearing residue of an electrolytic zinc process by froth-flotating a slurry of the iron-bearing residue in the presence of a sulfidic collector agent in order to froth-flotate the sulfides and to separate them from the iron-bearing residue. The iron-bearing residue is sulfidized selectively in order to convert the lead, silver and possibly gold substantially quantitatively to sulfides before the iron-bearing residue is froth-flotated.

REFERENCES:
patent: 1197590 (1916-09-01), Bacon
patent: 3968032 (1976-07-01), Menendez

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