Sustainable Mining and Metallurgy

The electrothermal blowing dry box was used to reduce arsenic sulfide slag, and the process parameters of the drying process were studied. From the perspective of energy saving and process difficulty, the drying temperature of 125℃ and the drying time of 60min were selected to dry arsenic sulfide slag, and the weight loss rate was 29.1%, reaching the goal of reducing arsenic sulfide slag (the slag reduced by more than 20%). The rotary kiln drying experiment of arsenic sulfide slag was carried out, and the weight loss rate reached 36.8%. The annual smelter treatment of arsenic sulfide slag can save 1.638 million yuan, with significant economic and environmental benefits, providing theoretical support and direction for other smelting enterprises.