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5 矿浆pH值调整剂种类试验结果
Table 5 Results of slurry pH adjusting agent type test
调整剂种类及 用量/(g·t-1产品名称产率/%金品位 /(×10-6金回收率 /%

不添加调整剂

pH=6.5

粗精矿22.0316.8068.11
中矿4.296.905.45
尾矿73.681.9526.44
合计100.005.43100.00

Na2CO3,2 000

pH=7.5

粗精矿17.5522.8070.30
中矿5.607.407.28
尾矿76.851.6622.42
合计100.005.69100.00

石灰,2 000

pH=8.5

粗精矿20.8019.8973.03
中矿8.105.527.89
尾矿71.101.5219.08
合计100.005.66100.00

H2SO4,1 840

pH=6.0

粗精矿21.6517.5070.23
中矿7.206.508.67
尾矿71.151.6021.10
合计100.005.40100.00