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氰化尾渣综合回收试验研究
- 宋超|郝福来|张磊|苑宏倩|刘强|蒋雨仑
- 作者单位：
- 长春黄金研究院有限公司|长春黄金研究院有限公司|长春黄金研究院有限公司|长春黄金研究院有限公司|辽宁排山楼黄金矿业有限公司|长春黄金研究院有限公司
基金项目：
- “十四五”国家重点研发项目(2023YFC2907803)
详细信息：
- 作者简介：
- 宋超（1989—），男，高级工程师，从事矿物加工技术研究方面工作；E-mail：sc0431@163.com
- 通讯作者：
- isnull
- PDF下载
Experimental study on comprehensive recovery of cyanide tailings
- English Author：
- Changchun Gold Research Institute Co.,Ltd.|Changchun Gold Research Institute Co.,Ltd.|Changchun Gold Research Institute Co.,Ltd.|Changchun Gold Research Institute Co.,Ltd.|Liaoning Paishanlou Gold Mining Industry Co.,Ltd.|Changchun Gold Research Institute Co.,Ltd.
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
辽宁某氰化尾渣金品位2.01 g/t，银品位36.23 g/t，铜、铅、锌品位分别为0.33 %、1.91 %、3.01 %。针对该氰化尾渣进行铜铅锌混合浮选试验及优先选铅—尾矿选锌浮选试验。铜铅锌混合浮选试验可获得金品位13.72 g/t、银品位281.70 g/t、铜品位3.63 %、铅品位16.01 %、锌品位36.92 %，金、银、铜、铅、锌回收率分别为50.09 %、57.22 %、80.69 %、61.33 %、90.88 %的混合精矿；优先选铅—尾矿选锌浮选试验可获得铅品位48.95 %、铅回收率52.29 %的铅精矿，锌品位43.21 %、锌回收率89.45 %的锌精矿，铅精矿中金、银、铜品位分别为54.02 g/t、891.42 g/t、5.92 %，锌精矿中金、银、铜品位分别为2.43 g/t、134.79 g/t、2.19 %，总金、总银、总铜回收率分别为62.39 %、73.43 %、77.76 %。选别指标良好，为该类氰化尾渣资源的综合回收利用提供了参考依据。
关键词:
金精矿；氰化尾渣；预处理；混合浮选；优先浮选
Abstract:
The gold grade of cyanide tailings from a gold mine in Liaoning is 2.01 g/t,with a silver grade of 36.23 g/t,copper grade of 0.33 %,lead grade of 1.91 %,and zinc grade of 3.01 %.Copper-lead-zinc mixed flotation tests and tests on preferential separation of lead-zinc flotation from the tailings were conducted on the cyanide tailings.The copper-lead-zinc mixed flotation test yielded a mixed concentrate with gold grade of 13.72 g/t,silver grade of 281.70 g/t,copper grade of 3.63 %,lead grade of 16.01 %,and zinc grade of 36.92 %.The recovery rates for gold,silver,copper,lead,and zinc were 50.09 %,57.22 %,80.69 %,61.33 %,and 90.88 %,respectively.The process of preferential separation of lead-zinc flotation from the tailings produced a lead concentrate with a grade of 48.95 % and a recovery rate of 52.29 %,and a zinc concentrate with a grade of 43.21 % and a recovery rate of 89.45 %.In the lead concentrate,the gold grade,silver grade,and copper grade,were 54.02 g/t,891.42 g/t,5.92 %,respectively.In the zinc concentrate,the gold grade,silver grade,and copper grade,were 2.43 g/t,134.79 g/t,and 2.19 %,respectively.The total recovery rates for gold,silver,and copper were 62.39 %,73.43 %,and 77.76 %,respectively.The separation indices were favorable,providing a reference basis for the comprehensive utilization of similar cyanide tailings resources.
Keywords:
gold concentrate;cyanide tailings;pretreatment;mixed flotation;preferential flotation
