Hydrometallurgical recovery of metal values from cooper containi

Details Hydrometallurgical recovery of metal values from cooper containi Hydrometallurgical recovery of metal values from cooper containi

1987-02-13

1990-11-20

Russel, Jeffery E.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

75743, 204108, 204118, 204119, 423 27, 423 38, 423 39, 423 99, 423109, G01G 305, G01G 904, C25C 112, C22B 306

Patent

active

049716620

ABSTRACT:
A process for the hydrometallurgical recovery of metal value, particularly copper, from copper-containing sulphide materials in which the material is conventionally ground and reacted with a solution containing less than 3 moles per liter of chloride ion, and optionally as little as 15 g/liter, together with sulphate ions with continuous oxygen injection and vigerous agitation. The reacting may be carried out at a pH in the range of 0.5-4, at moderate pressure as low as atmospheric pressure and at a moderate temperature below the boiling point of the solution such as 85.degree. C.

REFERENCES:
patent: 699326 (1902-05-01), Irvine
patent: 2992894 (1961-07-01), Hazen et al.
patent: 3896208 (1975-07-01), Dubeck et al.
patent: 4107009 (1978-08-01), Everett
patent: 4288304 (1981-09-01), DeMarthe et al.
patent: 4423011 (1983-12-01), Baglin et al.

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