选冶联合提高甘肃某难浸金矿浮选尾矿金回收率的试验研究

杨波,童雄,谢贤,王晓

Study on the Gold Recovery from Flotation Tailings of a Refractory Gold Ores in Gansu Province by a Process Combining Mineral Processing and Metallurgy

Bo YANG,Xiong TONG,Xian XIE,Xiao WANG

表2 再磨细度对金回收率的影响

Table 2 Effect of regrinding fineness on the recovery of gold

磨矿细度（-0.048 mm占比）/% 产品 产率/% 金品位/×10-6 回收率/% 38.4 精矿 5.07 20.46 47.64 尾矿 94.93 1.20 52.36 给矿 100.00 2.18 100.00 50.0 精矿 5.73 18.56 50.67 尾矿 94.27 1.10 49.33 给矿 100.00 2.10 100.00 60.0 精矿 5.46 19.96 50.70 尾矿 94.54 1.12 49.30 给矿 100.00 2.15 100.00 75.0 精矿 6.16 16.80 47.88 尾矿 93.84 1.20 52.12 给矿 100.00 2.16 100.00