Flotation of Cu and Pb sulfide concentrates containing carbonate

Details Flotation of Cu and Pb sulfide concentrates containing carbonate Flotation of Cu and Pb sulfide concentrates containing carbonate

1981-03-09

1982-09-28

Hearn, Brian E.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

209167, C22B 100, B03D 114

Patent

active

043516688

ABSTRACT:
A process for the beneficiation of lead or copper-lead sulphide ore or concentrate containing calcium and magnesium carbonates wherein the ore or concentrate is conditioned with a limited amount of sulphuric acid to form an acidic slurry and subjecting the acidic slurry to froth flotation whereby an upgraded concentrate and a tailing comprising calcium and magnesium sulphate are obtained.

REFERENCES:
patent: 1079107 (1913-11-01), Chapman
patent: 1799166 (1931-04-01), Hooey
patent: 2105901 (1938-01-01), Brinker
Gaudin, Flotation, 2nd Edition, McGraw-Hill, NY (1957), pp. 183, 198, 429, 430, 433, 522.

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