湿法冶金2024，Vol.43Issue(2)：158-165,8.DOI:10.13355/j.cnki.sfyj.2024.02.008
转盘萃取塔选择性分离富集铟渣浸出液中的铟试验研究
Selective Separation and Enrichment of Indium from Leaching Solution of Indium Residue by Rotating Disk Tower
世仙果 1李兴彬 2江国豪 3朱应旭 1李科 1张泽林1
作者信息
- 1. 云锡文山锌铟冶炼有限公司,云南文山 663700
- 2. 昆明理工大学冶金与能源工程学院,云南昆明 650093
- 3. 重庆市武隆区应急救援指挥中心,重庆武隆 408599
- 折叠
摘要
Abstract
Aiming at leaching solution of indium residue produced by zinc hydrometallurgy,rotating disk extraction tower was used to separate indium and iron from the solution.The extraction effects of indium and iron ions in the solution,the extraction sequence of metal ions,the separation effect and emulsification of light and heavy phases was studied.The influences of the rotating disk rotating speed,feed flow rate,concentration of P204,solution acidity,reaction temperature and the phase ratio on separation effects were examined.The results show that under the optimal conditions of reaction temperature of 25 ℃,heavy phase volume flow rate of 7.8 L/h,P204 concentration of 20％,rotating disk rotating speed of 360 r/min,initial acidity of 60 g/L,VO/VA phase ratio of 1/1,the extraction rate of indium can reach 75％,the extraction rate of impurity element iron is less than 5％.The light and heavy phases are basically completely separated,and there is no emulsification.The result of extraction isotherms shows that complete extraction of indium can be achieved by three-stage countercurrent extraction under the condition of VO/VA phase ratio of 1/1.The loaded organic phase is pre-washed with dilute sulfuric acid,and then stripping with 5 mol/L hydrochloric acid under the condition of VO/VA=1/1.And the extraction rate of indium is more than 98％.After the replacement treatment,the stripping solution can be directly returned to zinc hydrometallurgy,the organic phase can be recycled after scrubbing.关键词
转盘萃取塔/湿法炼锌/铟/萃取/浸出渣/选择/分离/富集Key words
rotating disk extraction tower/zinc hydrometallurgy/indium/extraction/leaching residue/selection/separation/enrichment分类
矿业与冶金引用本文复制引用
世仙果,李兴彬,江国豪,朱应旭,李科,张泽林..转盘萃取塔选择性分离富集铟渣浸出液中的铟试验研究[J].湿法冶金,2024,43(2):158-165,8.
