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栗木锡尾矿中云母、长石、石英浮选分离试验
引用本文:彭光菊,王中明,刘书杰,张健伟,单志强.栗木锡尾矿中云母、长石、石英浮选分离试验[J].金属矿山,2017(1).
作者姓名:彭光菊  王中明  刘书杰  张健伟  单志强
作者单位:1. 中国有色桂林矿产地质研究院有限公司,广西桂林,541004;2. 北京矿冶研究总院,北京,100160
摘    要:栗木锡矿选矿厂重选尾矿经强磁选脱铁,非磁性物中石英、钠长石、钾长石及云母矿物含量合计达98%,为充分、高效利用该二次资源,进行了浮选分离工艺研究.结果表明,在不磨矿、硫酸调酸的情况下,采用1次云母浮选、1粗3扫3精浮选长石、中矿顺序返回流程处理矿样,获得了K2O与Na2O总含量达10.18%、长石矿物含量达90%的长石精矿,SiO2含量达93.71%、石英矿物含量达85%的石英精矿,以及云母矿物含量达90%的云母精矿.石英精矿、长石精矿、云母精矿品质均满足工业应用要求.探索了一条实现栗木锡矿非金属矿物绿色、高效资源化利用的途径.

关 键 词:锡矿  重选尾矿  非磁性物  浮选  云母  长石  石英  二次资源

Experiments on Flotation Concentration of Mica,Feldspar and Quartz from Tin Tailings of Limu
Peng Guangju,Wang Zhongming,Liu Shujie,Zhang Jianwei,Shan Zhiqiang.Experiments on Flotation Concentration of Mica,Feldspar and Quartz from Tin Tailings of Limu[J].Metal Mine,2017(1).
Authors:Peng Guangju  Wang Zhongming  Liu Shujie  Zhang Jianwei  Shan Zhiqiang
Abstract:After Fe removal by high intensity magnetic separation from gravity tailings of Limu Tin Mine,the sum of total non-magnetic minerals including quartz,mica,albite and potassium feldspar is about 98%.In order to fully and efficiently utilize such secondary resources,the floatation separation process was carried out.The study results showed that under condition of non-grinding and acidifying with sulphuric acid,the sample was processed with one-stage floatation for mica,one roughing-three scavengings-three cleanings flotation for feldspar,and middling back to the flowsheet in turn.By the process,feldspar concentrates with the contents of K2O and Na2O in total 10.18%,contents of feldspar minerals 90%,quartz concentrate with contents of SiO2 93.71%,contents of quartz minerals 85%,and mica concentrates with contents of mica minerals 90%,were obtained separately.The quality of feldspar concentrate,quartz concentrate and mica concentrate meet the requirements of industrial applications.A green and efficient resource utilization solution has been explored for non-metallic minerals in Limu Tin Mine.
Keywords:Tin mine  Gravity railings  Non-magnetic minerals  Flotation  Mica  Feldspar  Quartz  Secondary resources
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