Solvent-extraction process for recovery and separation of metal

Details Solvent-extraction process for recovery and separation of metal Solvent-extraction process for recovery and separation of metal

1977-04-07

1980-03-25

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75117, 75119, 75120, 75121, 423 24, 423 99, 423139, C22B 2304, C22B 1500, C22B 1922

Patent

active

041949056

ABSTRACT:
Solvent-extraction processes to recover metal values are improved by use as a component of the solvent-extractant of didodecylnaphthalene sulfonic acid. Especially important applications for the improved solvent-extractant which can include a .alpha.-hydroxy oxime are in the separation recovery of copper, nickel, zinc and cobalt and the selective separation of these metals, one from the other, and from iron, in acidic aqueous media.

REFERENCES:
patent: 3649220 (1972-03-01), Powell et al.
patent: 3878286 (1975-04-01), Morin et al.
patent: 4018865 (1977-04-01), Gallacher
patent: 4120817 (1978-10-01), Hummelstedt

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