EXTRACTION OF NICKEL AND COBALT FROM A RESIN ELUATE STREAM

EXTRACTION OF NICKEL AND COBALT FROM A RESIN ELUATE STREAM

A process for the recovery of nickel and cobalt from an acidic resin eluate containing at least nickel and cobalt, said process including the steps of : (a) treating the eluate with an immiscible organic reagent (18) to selectively absorb the majority of the cobalt, and a portion of any copper, zinc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KREBS, DAMIEN GARY IGNATIUS
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:A process for the recovery of nickel and cobalt from an acidic resin eluate containing at least nickel and cobalt, said process including the steps of : (a) treating the eluate with an immiscible organic reagent (18) to selectively absorb the majority of the cobalt, and a portion of any copper, zinc and manganese present in the eluate, leaving a raffinate containing the nickel and minor impurities; (b) neutralising the raffinate to precipitate the nickel as nickel hydroxide (19); (c) stripping the cobalt from the organic reagent (22); and (d) recovering the cobalt (23).