Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naoki Higuchi0
Daisuke Kobayashi0
Makoto Narisako0
Toshiyuki Yamaoka0
Date of Patent
May 21, 2013
0Patent Application Number
128784880
Date Filed
September 9, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for extracting nickel and lithium includes solvent extraction step of using three or more extraction stages to subject a solution containing lithium and nickel to solvent extraction with 2-Ethylhexyl phosphonic acid mono-2-ethylhexyl ester at a pH of 8.0 to 8.5, whereby the nickel and the lithium are co-extracted into a resultant organic phase.
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