河南某含金银硫化铜矿选矿试验研究
周立波,曹飞,曹进成,吕良

Experimental Study on Beneficiation of a Gold-Silver Copper Sulfide Ore from Henan Province
Libo ZHOU,Fei CAO,Jincheng CAO,Liang LV
表5 矿浆pH值对混合浮选粗选作业分选指标的影响
Table 5 Effect of pH value of pulp on separation index of mixed flotation roughing operation
pH值调整剂种类及用量/(g·t-1产品名称产率/%品位/%回收率/%

无调整剂

(pH=7)

精矿13.464.1422.9064.7887.04
尾矿86.540.350.5335.2212.96
原矿100.000.863.54100.00100.00

Na2CO3:1 000

(pH=8)

精矿14.504.6523.4078.1294.68
尾矿85.500.220.2221.885.32
原矿100.000.863.54100.00100.00

Na2CO3:2 000

(pH=9)

精矿14.364.8023.5880.0895.65
尾矿85.640.200.1819.924.35
原矿100.000.863.54100.00100.00

Na2CO3:3 000

(pH=10)

精矿12.755.3226.3978.7095.07
尾矿87.250.210.2021.304.93
原矿100.000.863.54100.00100.00

CaO:1 000

(pH=8)

精矿18.613.8818.6583.9198.05
尾矿81.390.170.08516.091.95
原矿100.000.863.54100.00100.00

CaO:2 000

(pH=10)

精矿18.503.8618.7482.9497.90
尾矿81.500.180.0917.062.10
原矿100.000.863.54100.00100.00

CaO:3000

pH=11

精矿19.293.6617.7282.1796.58
尾矿80.710.190.1517.833.42
原矿100.000.863.54100.00100.00

CaO:4 000

(pH=13)

精矿18.593.9917.2082.9690.34
尾矿81.410.180.4217.049.66
原矿100.000.863.54100.00100.00