Microemulsions in Sodium Dodecyl Sulfate-1-Butanol-Extractant-Kerosene-Water Systems for Extracting Nonferrous Metals from Oxide Raw Materials

Areas of existence and properties of extractant-containing microemulsions in sodium dodecyl sulfate-1-butanol-extractant-kerosene-water systems in the presence of such extractants as caproic acid, di(2-ethylhexyl) hydrogen phosphate, and tributyl phosphate-acetic acid mixture were studied. The possibility of using a sodium dodecyl sulfate microemulsion containing the chosen extractants for extracting nonferrous metals from oxide raw materials was demonstrated by the example of a model system with CuO. The highest degrees of the copper recovery are reached with the microemulsion containing 2.00 M caproic acid or 0.25 M di(2-ethylhexyl) hydrogen phosphate.