摘要
宝山矿业公司使用浓缩-浮选-浓缩-过滤工艺回收白云鄂博矿中的稀土,在精矿浓缩过程中,约4%的稀土资源从精矿溢流中流失,经检测溢流精矿的稀土品位为26.17%,绝大部分粒径为5~20μm,属于微细粒颗粒。文章对宝山矿业公司精矿大井溢流精矿进行取样分析,使用浮选、脱泥浮选、磁选、重选等多种方法回收稀土资源,最终使用重选方法获得稀土品位为50.72%、回收率为30.82%的稀土精矿,对综合回收白云鄂博稀土资源具有重要的指导作用。
The rare earth in baiyuneboite is recovered with the process of concentration-flotation-concentration-filtration in Baoshan Mining Co..During the concentration process of concentrate,about 4%of rare earth resources are run off from overflow of concentrate,their grade is 26.17%by detection and most of their particle sizes are 5~20μm so that they are micro-fine particles.In this paper,the overflowed concentrate of large well of concentrate in Baoshan Mining Co.is with sampling analysis.The rare earth resources are recovered with various methods as flotation,desliming flotation,magnetic concentration and gravity concentration.Finally,the rare earth ore concentrate with grade of 50.72%and recovery rate of 30.82%is obtained with the gravity concentration method,which is with significant guiding function for comprehensive recovery of rare earth resources in Bayan Obo.
作者
陈宏超
许俊山
郭旭
边峻超
Chen Hongchao;Xu Junshan;Guo Xu;Bian Junchao(Baotou Steel Group Baoshan Mining Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China)
出处
《包钢科技》
2025年第4期5-8,共4页
Science & Technology of Baotou Steel
关键词
稀土
微细粒
回收
重选
rare earth
micro-fine particle
recovery
gravity concentration
