FIELD: metallurgy.
SUBSTANCE: sorbent is produced on the basis of mining operations waste - copper-nickel ore tailings, taken from a tailing impoundment of a process plant, which consist of more than 60% of serpentine Mg3[Si2O5](OH)4. Waste is grounded to fraction of -0.063 mm, then baked at a temperature of 650-700°C and the surface is modified with an alcoholic solution of dimethylglyoxime. The sorption capacity of the obtained material for nickel ions is 190 mg/g.
EFFECT: improvement of the sorbent produced.
3 cl, 1 dwg, 3 ex
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