abstract |
The present invention relates to zinc and a second metal present in the form of chloride of ZnCl 2 and a second metal in a waste liquid, and the second metal does not form an anionic complex with the zinc in the presence of chloride ions. And a method of separating the The method of the present invention achieves the formation of an anionic complex by contacting a waste solution with a resin saturated with chloride ions, and the method of the present invention comprises the following steps: Extracting a second metal chloride with an eluent, followed by extracting zinc having an oxidation number + II. In general, the second metal is a transition metal such as Cr, Cu, Ni, Fe, etc., especially nickel. |