某低品位氧化铜矿堆浸液萃取铜的试验研究
Experimental research on extraction of copper from heap leaching solution of a low-grade oxide copper oxide ore
伏晓丹 1张海宝 1陈燕杰 1孟祥龙 1张鹏1
作者信息
- 1. 中国瑞林工程技术股份有限公司,南昌 330038
- 折叠
摘要
采用不同品牌的3种萃取剂从某低品位氧化铜矿堆浸液中萃取铜,考察25℃时3种萃取剂的萃取-反萃反应等温平衡相过程及相应的分相速率,绘制萃取和反萃工艺过程的McCabe-Thiele等温平衡线,根据实验数据计算了3种萃取剂对应的萃取率、反萃率、铜和铁排斥比及净铜迁移量.结果表明,萃取剂A的萃取率为99.3%,反萃率为97%,铜和铁排斥比为816,净铜迁移量为2.68 g/L,是最适合萃取该氧化铜矿堆浸液的萃取剂.
Abstract
Different types of copper extractants were scrutinized during copper solvent extraction and stripping processes of an copper oxide ore's heap leaching solution.The isotherms equilibrium phase process isotherms and corresponding phase separation rates of three different types of copper extractants under cabinet temperature(25℃)were measured.McCabe-Thiele isothermal diagrams were generated,and the extraction efficiency,stripping efficiency,Cu and Fe exclusion rates and net copper transfer were calculated.The results show indicate that extractant A is the most suitable reagent,whose extraction efficiency is 99.3%,the stripping efficiency is 97%,the exclusion rate of copper and iron is 816 and net copper transfer is 2.68 g/L.
关键词
铜萃取剂/堆浸/溶剂萃取/等温平衡/分相速率Key words
copper extractant/heap leaching/solvent extraction/isothermal equilibrium/phase separate rate引用本文复制引用
出版年
2024
NETL
NSTL
万方数据