某锂辉石浮选工艺优化应用实践讲解VIP免费

四川某氟碳铈矿选矿试验研究温胜来 1,2,3 陈少学 1,2,3 （ 1. 中钢集团马鞍山矿山研究院有限公司；2.金属矿山安全与健康国家重点实验室； 3.华唯金属矿产资源高效循环利用国家工程研究中心）摘要某氟碳铈矿与脉石矿物嵌布关系复杂，且含泥量大，对其进行了浮-磁联合选矿试验研究，结果表明：在磨矿细度为-0.074mm 占 85%条件下，以改性羟肟酸作捕收剂， 采用 2 粗 2 精 1 扫浮选、 浮选精矿强磁的工艺流程， 可在原矿含 REO 2.48%的条件下，获得 REO 品位 60.20%，REO 回收率为 67.10%的精矿。关键词氟碳铈矿改性羟肟酸浮-磁联合工艺Experinental Research on Flotationn of the Bastnaesite in Sichuan Wen Shenglai1,2,3 Chen Shaoxue1,2,3(1. Sinosteel Maanshan Institute Of Mining Research Co.，Ltd.； 2．Stae Key Laboratoryof Safety and Health for Metal Mine；3．Hua Wei NationalEengineering ResearchCenter of High Efficiency Cyclic Utilization of Metal Mineral Resources）Abstract A bastnaesite with complex disseminated relationship of gangue minerals and containing a amount of mudding.The tests are carried out to study the appropriate technical parameters for flotation-magnetic separation combination of the ore.The results show that under the grinding fineness of 85% passing 0.074mm,and with the collector of modified hydroximic acid,final concentrate with REO grade of 60.20%,REO recovery of 67.10% was achieved respectively by the process of two roughing-two cleaning-one scavenging-magnetic separation flotation concentrate. Key words Bastnaesite， Modified Hydroximic Acid ， Flotation-magnetic separation Combination process 氟碳铈矿型稀土矿的选矿方法通常有重选、磁选和浮选等单一选别方法或三者任意组合而成的联合选别方法。重选和磁选方法尽管可以得到较高品位的稀土精矿, 但由于不能很好解决较细粒稀土矿物的回收问题，浮选可回收细粒稀土矿物，但工艺复杂、成本较高。氟碳铈矿与主要伴生的脉石矿物分选比较困难，往往采取联合工艺才能把氟碳铈矿从复杂矿石中分选出来。1矿石性质1.1 矿石矿物...