Separation of Nickel from Manganese, Magnesium and Calcium Using Synergistic Solvent Extraction System of P204/4PC

被引：0
|
作者：
Zeng L. [1 ]
Sun Z. [1 ]
Guan W.-J. [1 ]
Zhang G.-Q. [1 ]
机构：
[1] School of Metallurgy and Environment, Central South University, Changsha
来源：
Dongbei Daxue Xuebao/Journal of Northeastern University | 2018年 / 39卷 / 10期
关键词：
4PC; Calcium; Magnesium; Manganese; Nickel; P204; Synergistic solvent extraction;
D O I：
10.12068/j.issn.1005-3026.2018.10.012
中图分类号：
学科分类号：
摘要：
The separation of nickel from manganese, magnesium and calcium by solvent extraction with new synergistic system was studied. The effects of organic phase ratio, equilibrium pH value and equilibrium time on extraction separation were investigated, and nickel extraction and stripping isotherms were plotted. The results showed that the organic phase composed of 1.25 mol/L 4PC(L)+0.25 mol/L P204(HA)was used after 5 levels of countercurrent extraction, the extraction rate of nickel reached 98.7%, and the extraction rate of other impurity metals were nearly below 5%. The loaded organic phase was subjected to a three-stage countercurrent stripping, the stripping rate of nickel reached 98.2%, and the content of nickel in the organic phase was less than 0.1 g/L. © 2018, Editorial Department of Journal of Northeastern University. All right reserved.
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页码：1428 / 1432
页数：4
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