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Cyanex 301 can extract both Ni(II) and Co(II) from the leach solution of nickel laterite ore. About 10mol/L HCl solution is needed to strip Ni(II) from the loaded Cyanex 301. To overcome this difficulty, a mixture of Cyanex 301 with TBP was employed to develop a process for the recovery of Co(II) and Ni(II) from the laterite leach liquor. It was found that this mixture showed synergism on the extraction...
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