Method for recovering non-ferrous metals from hydro-thermal slim

Details Method for recovering non-ferrous metals from hydro-thermal slim Method for recovering non-ferrous metals from hydro-thermal slim

1976-07-06

1978-03-28

Thomas, Earl C.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423109, 423150, C01G 310, C01G 906

Patent

active

040815064

ABSTRACT:
After separating brine from the slime and drying the same with solids therein, dried solids are subjected to roasting in an oxydizing temperature of 350.degree. to 400.degree. C, and then leaching the roasted material with predetermined acid and withdrawing sulfur oxides from waste gases generated during the roasting step.

REFERENCES:
patent: 1443707 (1923-01-01), Gepp
patent: 1468806 (1923-09-01), Greenawalt
patent: 1528209 (1925-03-01), Greenawalt
patent: 1730584 (1929-10-01), Meyer
patent: 2639220 (1953-05-01), Thomsen
patent: 3753691 (1973-08-01), Grover
Degens et al., (Eds.) "Hot Brines and Recent Heavy Metal Deposits in the Sea", Springer-Verlag, N.Y., (1969) pp. 542-549.

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