C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/40 (2006.01) C22B 23/00 (2006.01)
Patent
CA 2554446
A process for the separation of nickel, cobalt or both from impurity elements selected from one or more of calcium, magnesium, manganese and chloride contained in a leach solution, the process comprising the step of subjecting the leach solution to solvent extraction using a carboxylic acid (such as Versatic 10), a hydroxyoxime such as LIX 63, a kinetic accelerator such as TBP, and optionally a stabilizer.
La présente invention a trait à un procédé pour la séparation du nickel, du cobalt ou les deux à partir d'éléments d'impureté choisis parmi ou un plusieurs du groupe constitué de calcium, magnésium, manganèse, et chlorure contenus dans une solution de lessivage, le procédé comprenant l'étape de traitement de la solution de lessivage au moins d'une extraction par des solvants utilisant un acide carboxylique (tel que l'acide versatique 10), un hydroxyoxime tel que LIX63, un accélérateur cinétique tel que le phosphate de tributyle, et éventuellement un agent stabilisateur.
Cheng Chu Yong
Urbani Mark Daniel
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Commonwealth Scientific And Industrial Research Organisation
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