The method of extracting zinc, nickel and copper from ammonia solution by oxygen (department application No.: 2013-2461)

摘要

2. Section 1 of the application discloses a method for extracting metals from an aqueous solution containing nitrates, which is characterized by:or Contacting an aqueous solution containing nitrate containing dissolved metal values with an organic phase comprising a solvent immiscible with water and a reagent composition comprising an oxime having a structure represented by (R5) (R4) (R3 ) (R2) (OH) C6H2C (R1) = NOH,R1 is hydrogen or CH3;R2 and R4 are hydrogen;R3 is lease c8-12;R5 is methyl; at least part of the metal value can be introduced into the organic phase to provide a metal containing organic phase and a resulting metal poor aqueous phase;o. Separating the water phase filled with metal from the water phase of metal;O recover the metal value from the organic phase of the filler metal.