某含碳微细粒难处理金矿浮选提金工艺研究

吴天骄,曹欢,牛芳银,靳建平,王海军,陈军,卫亚儒

Study on Gold Extraction from a Carbon-bearing Fine-grained Refractory Gold Ore by Flotation Process

Tianjiao WU,Huan CAO,Fangyin NIU,Jianping JIN,Haijun WANG,Jun CHEN,Yaru WEI

表4 磨矿细度为-0.074 mm占75%的原矿粒度筛析结果

Table 4 Size screening analysis results of raw ore with grinding fineness of -0.074 mm accounts for 75%

粒级/mm 产率/% 金品位/（×10-6） 金占有率/% 合计 100.00 5.46 100.00 +0.074 26.29 3.01 14.49 -0.074+0.038 24.93 2.99 13.65 -0.038+0.019 14.91 8.63 23.56 -0.019+0.010 9.49 4.53 7.87 -0.010 24.39 9.05 40.43