陇南紫金难处理金精矿工艺矿物学研究

谢雄辉

Study on Technological Mineralogy of Gold Concentrate in Longnan Zijin

Xionghui XIE

表4 金精矿中黄铁矿和毒砂的粒度分布

Table 4 Particle size distribution of pyrite and arsenopyrite in a gold concentrate

粒级/mm 占比/% 黄铁矿 毒砂 合计 100.00 100.00 +0.075~-0.147 1.45 - +0.044~-0.075 19.99 7.63 +0.02~-0.044 32.07 34.12 +0.01~-0.02 24.19 30.82 -0.01 22.29 27.43