黄金科学技术 ›› 2023, Vol. 31 ›› Issue (6): 1035-1043.doi: 10.11872/j.issn.1005-2518.2023.06.095
• 采选技术与矿山管理 • 上一篇
Rongyan ZHAO(),Tian’en LI,Ling ZHANG
摘要:
为了综合回收四川省独狼沟金矿浮选尾矿中的有价矿物,根据尾矿中自然金与载金矿物(黄铁矿)、白钨矿的密度差异,在不磨矿的情况下,开展了重选试验设备及流程选择、金钨分离浮选试验和重选尾矿回收石英砂的选矿试验。经过对比分析,最终采用“重选(尼尔森+摇床)—浮选(金钨分离)—磁选”联合工艺流程,获得了金品位为107.00×10-6、金回收率为2.34%的金精矿,WO3品位为52.95%、WO3回收率为47.23%的钨精矿,以及SiO2品位为96.32%、SiO2回收率为72.68%的石英精矿,且石英精矿达到了铸造型石英砂2S等级。该尾矿选矿工艺流程具有成本低、易于现场操作以及对环境友好等优点。
中图分类号:
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