FIELD: chemical technology, hydrometallurgy. SUBSTANCE: method involves treatment of the spent tributyl phosphate with an alkali aqueous solution containing polyatomic alcohol. Proposed method ensures to remove butylphosphoric acids simultaneously by a single stage and reextract metal-impurities from an organic phase. EFFECT: simplified, universal and effective method of regeneration of nonferrous, rare and rare-earth metals. 4 cl, 1 dwg, 5 tbl
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