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某贫硫化物微细浸染型金矿石选矿试验研究
- 作者：
- 周文涛|于鸿宾
- 作者单位：
- 中国黄金集团科技有限公司|长春黄金研究院有限公司
基金项目：
- isnull
详细信息：
- 作者简介：
- 周文涛（1988—）,男,工程师,从事选矿工艺和技术研究工作;E-mail:zhouwentaocsu@163.com
- 通讯作者：
- isnull
- PDF下载
Experimental ore-dressing research on a microfine disseminated gold ore with low sulfide content
- English Author：
- China National Gold Group Technology Co.,Ltd.|Changchun Gold Research Institute Co.,Ltd.
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
某贫硫化物微细浸染型金矿石中金矿物粒度较细,-0.010 mm微粒金占81.16 %,金矿物主要以包裹金和粒间金形式存在。针对该矿石性质,开展了原矿全泥氰化和浮选对比试验研究,结果表明:采用原矿全泥氰化工艺,金的回收效果较差;采用浮选工艺,在适宜的浮选条件下,采用一次粗选、三次精选、三次扫选、中矿再磨流程,可获得金品位27.64 g/t、金回收率88.88 %的金精矿;中矿再磨浮选是处理该矿石较为合理的选矿工艺。
关键词:
金矿;贫硫化物;微细粒;浸染型;浮选;中矿再磨;全泥氰化
Abstract:
The particle size of gold minerals in a microfine disseminated gold ore with low sulfide content is fine,with -0.010 mm microfine-particle gold accounting for 81.16 %,and the gold minerals are mainly encased gold and intergranular gold.Based on the ore property,the experimental comparative research on run-of-mill ore all-sliming cyanidation and flotation was carried out.The results show that the gold recovery performance is not so good when run-of-mill ore all-sliming cyanidation is applied; when the flotation process is applied,and with proper flotation parameters,the flow of once roughing,three times cleaning,three times scavenging,and middling regrinding gets the gold concentrate of the gold grade of 27.64 g/t and the gold recovery rate of 88.88 %;the flotation process with middling regrinding is the suitable ore-dressing process for the ore.
Keywords:
gold ore;low sulfide content;microfine particle;disseminated;flotation;middling regrinding;all-sliming cyanidation
