Title:
EXTRACTION OF NICKEL AND COBALT FROM A RESIN ELUATE STREAM
Document Type and Number:
WIPO Patent Application WO2006069416
Kind Code:
A9
Abstract:
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).
Inventors:
KREBS DAMIEN GARY IGNATIUS (AU)
Application Number:
PCT/AU2005/001950
Publication Date:
October 18, 2007
Filing Date:
December 23, 2005
Export Citation:
Assignee:
BHP BILLITON SSM TECH PTY LTD (AU)
KREBS DAMIEN GARY IGNATIUS (AU)
KREBS DAMIEN GARY IGNATIUS (AU)
International Classes:
C22B3/26; C22B23/00
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