河南某低品位含钼白钨矿提高氧化钼回收率试验研究  

Experimental Study on Improving Recovery of Molybdenum Oxide from a Low-grade Mo-containing Scheelite Ore in Henan

作　　者：张子瑞 吴迪 ZHANG Zirui;WU Di(China Molybdenum Co.,Ltd.,Luanchuan 471500,Henan,China;Institute of Resource Utilization and Rare Earth Exploitation,Guangdong Academy of Sciences,Guangzhou 510651,China)

机构地区：[1]洛阳栾川钼业集团股份有限公司,河南栾川471500 [2]广东省科学院资源利用与稀土开发研究所,广州510651

出　　处：《有色金属（选矿部分）》2022年第5期60-66,73,共8页Nonferrous Metals（Mineral Processing Section）

基　　金：广东省科学院发展专项资金项目(2021GDASYL-20210103059);广州市科技计划项目(202102020372)。

摘　　要：河南某低品位钼钨矿主要有用矿物为辉钼矿和白钨矿,Mo氧化率约20%左右,现场采用“先辉钼后白钨”的浮选工艺。钼尾矿在选钨过程中,氧化钼在钨精矿中有一定富集,但回收率一直不高,仅占钼尾矿中总钼的30%~40%左右。为提高白钨矿浮选过程中氧化钼的回收率,通过详细的药剂配比试验研究,开发出一种针对白钨矿和氧化钼回收效果较好的组合捕收剂。结果表明,采用该组合捕收剂,钨精矿中钼回收率提高至56.83%,钨精矿的产品价值得到显著提高。The main useful minerals of a low-grade molybdenum and tungsten ore in Henan were molybdenite and scheelite, and the Mo oxidation rate was about 20%.The flotation process of molybdenite first followed by scheelite was adopted in the field.In the process of tungsten separation from molybdenum tailings, molybdenum oxide was enriched in the tungsten concentrate to some extent, but the recovery was not high, which only accounted for about 30%-40% of the total molybdenum in molybdenum tailings.In order to improve the recovery of molybdenum oxide in the flotation process of scheelite, a kind of combined collector with better recovery effect for scheelite and molybdenum oxide was developed through detailed reagent ratio test.The experimental results showed that the molybdenum recovery of tungsten concentrate was increased to 56.83%,and the product value of tungsten concentrate was significantly increased by using the combined collector.

关 键 词：含钼白钨矿 低品位 氧化钼回收 钼钙矿 

分 类 号：TD923[矿业工程—选矿] TD052