Process for the solvent extraction of nickel and cobalt values i

Details Process for the solvent extraction of nickel and cobalt values i Process for the solvent extraction of nickel and cobalt values i

1998-11-27

2000-04-25

Bos, Steven

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423157, B01D 1100, C22B 2300, C22B 2620

Patent

active

060541059

ABSTRACT:
A process for the extraction of nickel and/or cobalt values from a solution comprises the steps of effecting a cobalt solvent extraction in the presence of magnesium ions with a cobalt extractant to produce a cobalt extractant loaded with cobalt ions and a first raffinate containing nickel and magnesium ions in solution. The first raffinate is subjected to magnesium solvent extraction with a magnesium extractant to produce a magnesium extractant loaded with magnesium and cobalt ions and a second raffinate. The second raffinate is subjected to nickel solvent extraction with a nickel extractant to produce a nickel loaded extractant and a third raffinate.

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