Process for acid leaching of manganese oxide ores aided by hydro

Details Process for acid leaching of manganese oxide ores aided by hydro Process for acid leaching of manganese oxide ores aided by hydro

1988-08-08

1989-10-10

Stoll, Robert L.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 2, 75109, 75111, 75115, 423 51, 423 52, 423 55, 423 56, 423 57, 423138, 423140, 423145, 423146, 423147, 423150, 423DIG4, 423142, C22B 300

Patent

active

048729094

ABSTRACT:
A method of processing manganese ore by adding the ore to an aqueous solution of acid and H.sub.2 O.sub.2 to form a leach pulp. The leach pulp is agitated for a predetermined time period at predetermined temperatures. The leach pulp is then separated into a solid fraction and a liquid fraction containing solubilized metals. The solubilized metals are then recovered from the liquid fraction.

REFERENCES:
patent: 3795596 (1974-03-01), Kane et al.
patent: 3810971 (1924-05-01), Skarbo et al.
patent: 3906075 (1975-09-01), Menz
patent: 3923615 (1975-12-01), Kane et al.
patent: 3930974 (1976-01-01), Kane et al.
Journal of Mines, vol. 28, No. 4, Apr. 1976, "Processing of Ocean Nodules: A Technical and Economic Review".
Department of the Interior Bulletin 226, 1925, "The Treatment of Manganese-Silver Ores", Clevenger et al., pp. 33-34.

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