Simple separation method of Zn(Ⅱ) and Cd(Ⅱ) from brine solution of zinc plant residue and synthetic chloride media using solvent extraction

被引：0
作者：
Ali Asghar Balesini Aghdam [1 ]
Hossein Yoozbashizadeh [1 ]
Javad Moghaddam [2 ]
机构：
[1] Department of Materials Engineering, Science and Research Branch, Islamic Azad University
[2] Materials and Metallurgical Engineering Department, University of Zanjan
来源：
Chinese Journal of Chemical Engineering | 2020年 / 28卷 / 04期
关键词：
Solvent extraction; Brine media; Leaching filter cakes; Zinc; Cadmium;
D O I：
暂无
中图分类号：
X758 [有色金属工业]; TF803.23 [分离];
学科分类号：
083002 ; 080603 ;
摘要：
In this work, the possibility of separation of Zn2+ and Cd2+ metal ions from chloride（brine） solutions was examined. For this purpose, simple solvent extraction（SX） experiments by di-2-ethylhexyl phosphoric acid（D2EHPA）in kerosene as a diluent was performed on synthetic and industrial chloride solution obtained from brine leaching of zinc filter cakes（by-product of zinc hydrometallurgical processing）. The optimal conditions for separation were determined. The zinc extraction efficiency was 99% with negligible co-extraction of cadmium.Therefore, a high ΔpH0.5 value for Zn（Ⅱ） and Cd（Ⅱ） was achieved. FT-IR and slope analysis indicated that ZnClA·3HA and CdClA·3HA species were probably extracted.
引用
收藏
页码：1055 / 1061
页数：7
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