by controlling roasting temperature at 900-950℃ and with brown cinder, high removal of sulfur and arsenic from high-as gold sulfide ore and 90% of gold leaching efficiency from cinder were reached.
在焙烧温度900-950℃、焙砂颜色控制为深褐色的条件下,高砷硫化金矿脱硫、砷效果较好,焙砂金浸出率达到90%。