Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal
Patent
1974-06-13
1976-04-13
Vertiz, Oscar R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ib metal
473 32, 473139, 473150, 75101BE, C01G 300, C01G 5100, C22B 300
Patent
active
039504875
ABSTRACT:
A process in which copper, nickel, cobalt and molybdenum are recovered by leaching comminuted raw manganese nodules with an aqueous ammoniacal leach solution containing cuprous ions. An improvement is disclosed in which the metal values are extracted directly from the leach slurry with an organic extractant. To accomplish such extraction the amount by weight of solids in the slurry is maintained at less than 20 percent, the pH of the slurry is lowered to 9.5, the volumes of slurry and organic are maintained at a ratio so that the organic is the continuous phase and the organic and slurry are mixed with gentle agitation.
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Ritcey, "Solvent-in-Pulp processing using sieve plate pulse columns" Chemistry and Industry 6 Nov. 1971 pp. 1294-1299.
Proceedings of the Second United Nations International Conference on the Peaceful Uses of Atomic Energy; United Nations, Geneva 1958, Vol. 3 pp. 499-501.
Litchfield John K.
Pemsler J. Paul
Hearn Brian E.
Kennecott Copper Corporation
Lorusso Anthony M.
McCarter Lowell H.
Sniado John L.
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