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青海某金锑矿选矿试验研究
- 董红建
- 作者单位：
- 中金黄金股份有限公司
基金项目：
- 国家重点研发计划项目（2022YFC2105302）
详细信息：
- 作者简介：
- 董红建（1984—），男，高级工程师，硕士，研究方向为黄金选冶；E-mail：donghj@chinagoldgroup.com
- 通讯作者：
- isnull
- PDF下载
Experimental study on the beneficiation of a gold-antimony ore in Qinghai
- English Author：
- ZhongJin Gold Corporation Limited
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
青海某金锑矿矿物组成复杂，金主要包裹在硫化物、氧化物及毒砂中，锑主要以辉锑矿和锑华矿物形态存在，有害元素砷含量较高，为难选冶矿石。针对该金锑矿矿石性质，进行了工艺矿物学研究、浮选条件试验及闭路试验。在最佳选别条件下，闭路试验可获得锑品位60.86 %、锑回收率94.87 %的锑精矿及金品位51.23 g/t、金回收率69.94 %的金精矿。试验取得了较好的指标，为该类矿石的选矿工艺确定及开发利用提供了参考。
关键词:
金锑矿；选矿工艺；浮选；条件试验；闭路试验；难选冶矿石
Abstract:
The gold-antimony ore from Qinghai has a complex mineral composition,with gold primarily encapsulated in sulfides,oxides,and arsenopyrite,and antimony mainly present in stibnite and valentinite.The ore contains a high level of harmful arsenic,making it challenging to process.Mineralogical studies,flotation condition tests,and closed-circuit tests were conducted based on the characteristics of the ore.Under optimal separation conditions,the closed-circuit test yielded an antimony concentrate with a grade of 60.86 % and a recovery rate of 94.87 %,and a gold concentrate with a grade of 51.23 g/t and a recovery rate of 69.94 %.These promising results provide a reference for the beneficiation process development and utilization of this type of ore.
Keywords:
gold-antimony ore;beneficiation process;flotation;condition test;closed-circuit test;refractory ore
