Sulphatization roasting of dump industrial product of «Tuvacobalt» combine

Abstract

Data on research of removal possibility of arsenic from dump cakes of «Tuvacobalt» combine are presented. Possibility of deep removal of arsenic from these dumps by means of their preliminary calcination and the subsequent sulphidation at 900-950 °C at a sulphatizator ratio to a candle-end is shown, equal 1:2 to 0.28¬0.30; at a ratio 1:4, 1:5 and 1:6 respectively to 0, 5 and to 0.8 %.