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

1976-03-29

1977-04-19

Ozaki, G.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 99, 423139, 75101BE, 75117, 75119, 75120, 75121, B01D 1504, C22B 1500, C22B 2304, C22B 1926

Patent

active

040188655

ABSTRACT:
The metal value separation efficiencies of aliphatic .alpha.-hydroxy oximes in solvent-extraction processes are enhanced by the addition to the solvent-extractant of an alkyl aromatic sulfonic acid having a molecular weight of at least about 400, the mole % of the sulfonic acid in the combined sulfonic acid and hydroxy oxime being in the range of 10 to 80. Especially important applications for the improved solvent-extractant are in the separation and recovery of copper from iron, nickel from iron, nickel from cobalt, copper from cobalt, copper from nickel, copper from zinc, zinc from nickel, nickel from zinc, zinc from iron and cobalt from zinc in acidic aqueous media.

REFERENCES:
patent: 3128156 (1964-04-01), Long et al.
patent: 3432257 (1969-03-01), Spitzer et al.
patent: 3507645 (1970-04-01), Spitzer et al.
patent: 3878286 (1975-04-01), Morin et al.

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