非洲某铌钽砂矿综合利用研究

现代矿业 ›› 2020, Vol. 36 ›› Issue (05): 94-97.

非洲某铌钽砂矿综合利用研究

孔龙玺¹孙旭鹏¹张蓬生²

1.河南省地矿局第五地质勘查院；2.河南省小秦岭国家级自然保护区管理局

出版日期:2020-05-26 发布日期:2021-09-16

Comprehensive Utilization Study on a NbTa Placer Deposit in Africa

Kong Longxi¹ Sun Xupeng¹ Zhang Pengsheng²

1.No.5 Institute of GeoExploration of Henan Bureau of GeoExploration & Mineral Development; 2.Henan Xiaoqinling National Nature Reserve Admimistration

Online:2020-05-26 Published:2021-09-16

摘要/Abstract

摘要： 为了提高铌钽精矿的质量和品级，针对粗精矿中电气石的比磁化系数和钽铌矿接近，介电常数与锡石相近，后续提纯难以分离的问题，对钽铌粗精矿进行了分级重选—磁选—电选的联合工艺流程试验，研究获得了含Nb2O5 48.595%、Ta2O5 4.468%，回收率Nb2O5为59.03%、Ta2O5为54.37%的铌钽精矿。试验矿物回收率达到国内领先水平，同时其他有用矿物也得到了综合回收利用。

关键词: 粗精矿铌铁矿磁—电联合工艺综合利用

Abstract: In order to improve the quality and grade of tantalumniobium concentrate,for the problem of similar specific magnetic susceptibility between tourmaline and tantalumniobium ore,similar dielectric constant with tin ore,which results in difficulty in subsequent separation process,combined process test of graded gravity separationmagnetic separationelectric separation was carried out.Niobium and tantalum concentrate containing Nb2O5 48.595%,Ta2O5 4.468% and recovery rates of Nb2O5 59.03% and Ta2O5 5734% were obtained.Through experiments,the mineral recovery rate has reached the domestic leading level,and other useful minerals have also been comprehensively recycled.

Key words: Rough concentrate, Niobite, Combined process of magneticelectrostatic separation, Comprehensive utilization

孔龙玺孙旭鹏张蓬生. 非洲某铌钽砂矿综合利用研究[J]. 现代矿业, 2020, 36(05): 94-97.

Kong Longxi Sun Xupeng Zhang Pengsheng. Comprehensive Utilization Study on a NbTa Placer Deposit in Africa[J]. Modern Mining, 2020, 36(05): 94-97.

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