云南某难选氧化铜矿选矿试验研究

云南某氧化铜矿有用矿物嵌布不均匀,且与脉石共生关系复杂,多呈细粒状、微细粒状包裹或镶嵌于石英中。本文对含铜1.04%、氧化率52.94%的原矿进行了浮选试验研究,结果表明,可获得铜精矿含铜20.54%、回收率80.57%的技术指标。若进一步对浮选尾矿进行酸浸处理,可使铜总回收率达到89.27%。

Experimental Study on Mineral Processing Technology for a Refractory Oxidized Ore in Yunnan Province

Aimed at the characteristics of fine-grained uneven dissemination of valuable minerals in an oxidized ore in Yunnan province,and have complex paragenetic relationship with gangue minerals,the most of them are wrapped by quartz,the experimental research on flotation separation was carried out.The copper grade of raw ore is 1.04% and oxidition ratio is 52.94%.Test results indicated that a copper concentrate of 20.54% Cu was obtained with a recovery of 80.57%.If the flotation tailings are followed by acid leaching,then total recovery of copper can reach 89.27%.