METHOD OF EXTRACTION OF HEAVY METALS GROUP and modified sorbents for ITS IMPLEMENTATION

摘要

Method group recovery of copper, zinc and cadmium, comprising sorption concentrating, characterized in that as a sorbent is used a modified Amberlite IRA-400, and as the organic modifying reagent grade 2,7-bisazoproizvodnyh chromotropic acid - 3 - [(4-antipyrine) azo] -6 - [(2-carboxyphenyl) azo] -hromotropovaya acid as the eluent 0.05 solution of the disodium salt of ethylenediaminetetraacetic acid at pH = 10 at a ratio of volume of solution and weight of the sorbent 5000: 1.