| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: method of germanium extraction from sulfuric solutions includes germanium extraction by organic phase with chelating extractant, containing N,O- donor atoms, in diluter and germanium re-extraction by solution of caustic soda. Additionally extraction is implemented by organic phase in the form of mixture of chelating extractant, containing N,O-donor atoms, with bis-(2,4,4,-trimethyl amyl) dithiophosphonic acids (CYANEX 301) in diluter at molar ratio of chelating extractant and CYANEX 301 in organic phase =0.254.5:1. ^ EFFECT: increasing of extraction ability of system at extraction of germanium from sulfuric solutions, reduction of chelating extractant content in organic phase, implementation of extraction in area of low acidity. ^ 3 tbl, 5 ex |
