Method of extracting constituent metal values from polymetallic

Details Method of extracting constituent metal values from polymetallic Method of extracting constituent metal values from polymetallic

1975-07-10

1977-04-05

Vertiz, Oscar R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204113, 75109, 75112, 423 40, 423150, C25C 112, C25C 106

Patent

active

040160556

ABSTRACT:
A method of extracting constituent metal values from sea nodules containing copper, cobalt, iron and nickel is disclosed. The method involves melting the nodules under reducing conditions to obtain a concentrate containing said metals and reacting the metal concentrate in an aqueous medium with gaseous chlorine to obtain an aqueous solution containing the chlorides of said metal. Copper is thereafter precipitated from the aqueous solution and subsequently electrorefined, while the iron and cobalt are extracted from the aqueous solution by means of organic extractants and then re-extracted from the organic phases by aqueous phases.

REFERENCES:
patent: 1360666 (1920-11-01), Mills
patent: 3880651 (1975-04-01), Queneau et al.
Queneau, Cobalt and the Nickelferous Limonites, Doctorol Thesis, Technical Highschool Delft 1971, pp. 39, 40, 160, 176, 179-181, 182, 184, 192, 193.
Vasilchikov et al. "Iron-Manganese Nodules from the Ocean Floor" Isvetnye Metally vol. 9, No. 1 pp. 46-49 (1968).

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