Invention Grant
US07935322B2 Solvent extraction process for separating cobalt and/or nickel from impurities in leach solutions 失效
用于从浸出溶液中分离钴和/或镍与杂质的溶剂萃取方法

Solvent extraction process for separating cobalt and/or nickel from impurities in leach solutions
Abstract:
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.
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