某含碳微细粒难处理金矿浮选提金工艺研究
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吴天骄,曹欢,牛芳银,靳建平,王海军,陈军,卫亚儒
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Study on Gold Extraction from a Carbon-bearing Fine-grained Refractory Gold Ore by Flotation Process
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Tianjiao WU,Huan CAO,Fangyin NIU,Jianping JIN,Haijun WANG,Jun CHEN,Yaru WEI
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表5 矿浆pH值调整剂种类试验结果
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Table 5 Results of slurry pH adjusting agent type test
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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 /% |
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不添加调整剂 pH=6.5 | 粗精矿 | 22.03 | 16.80 | 68.11 | 中矿 | 4.29 | 6.90 | 5.45 | 尾矿 | 73.68 | 1.95 | 26.44 | 合计 | 100.00 | 5.43 | 100.00 | Na2CO3,2 000 pH=7.5 | 粗精矿 | 17.55 | 22.80 | 70.30 | 中矿 | 5.60 | 7.40 | 7.28 | 尾矿 | 76.85 | 1.66 | 22.42 | 合计 | 100.00 | 5.69 | 100.00 | 石灰,2 000 pH=8.5 | 粗精矿 | 20.80 | 19.89 | 73.03 | 中矿 | 8.10 | 5.52 | 7.89 | 尾矿 | 71.10 | 1.52 | 19.08 | 合计 | 100.00 | 5.66 | 100.00 | H2SO4,1 840 pH=6.0 | 粗精矿 | 21.65 | 17.50 | 70.23 | 中矿 | 7.20 | 6.50 | 8.67 | 尾矿 | 71.15 | 1.60 | 21.10 | 合计 | 100.00 | 5.40 | 100.00 |
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