Recovery of copper by ferrous ion precipitation

Details Recovery of copper by ferrous ion precipitation Recovery of copper by ferrous ion precipitation

1978-11-20

1980-04-08

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75117, 75121, 423 34, C22B 1510, C22B 1512

Patent

active

041971175

ABSTRACT:
Copper is recovered from dilute, ammoniacal, copper containing solutions by adding ferrous ions to the solution to precipitate metallic copper and iron oxides. The mixed precipitate is separated from the aqueous raffinate. The precipitated copper and iron oxides are separated from each other to enable the copper to be recovered.

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patent: 3492115 (1970-01-01), Mahalla
patent: 3586498 (1971-06-01), Kasey
patent: 3758665 (1973-09-01), Vojkovic
patent: 3923675 (1975-12-01), Kane et al.
patent: 3931007 (1976-01-01), Sugano et al.
patent: 3951649 (1976-04-01), Kieswetter et al.
patent: 3983017 (1976-09-01), Szabo
patent: 3983210 (1976-09-01), Steintveit
patent: 4116488 (1978-09-01), Hsueh et al.
patent: 4149880 (1979-04-01), Prater et al.
patent: 4149945 (1979-04-01), Kust

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