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

Ali Asghar Balesini Aghdam; Hossein Yoozbashizadeh; Javad Moghaddam

doi:10.1016/j.cjche.2019.12.003

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

Separation Science and Engineering | Updated：2026-01-06

- Simple separation method of Zn(II) and Cd(II) from brine solution of zinc plant residue and synthetic chloride media using solvent extraction
- Chinese Journal of Chemical Engineering Vol. 28, Issue 4, Pages: 1055-1061(2020)
- Affiliations：
  
  1. Department of Materials Engineering, Science and Research Branch, Islamic Azad University, Tehran,Iran
  2. Materials and Metallurgical Engineering Department, University of Zanjan, Zanjan,Iran
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.12.003
  CLC：
- Published：2020
- Accepted：
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Ali Asghar Balesini Aghdam, Hossein Yoozbashizadeh, Javad Moghaddam. Simple separation method of Zn(II) and Cd(II) from brine solution of zinc plant residue and synthetic chloride media using solvent extraction[J]. Chinese Journal of Chemical Engineering, 2020, 28(4): 1055-1061.
DOI：

Ali Asghar Balesini Aghdam, Hossein Yoozbashizadeh, Javad Moghaddam. Simple separation method of Zn(II) and Cd(II) from brine solution of zinc plant residue and synthetic chloride media using solvent extraction[J]. Chinese Journal of Chemical Engineering, 2020, 28(4): 1055-1061. DOI： 10.1016/j.cjche.2019.12.003.

摘要

Abstract

In this work

the possibility of separation of Zn

and Cd

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 ΔpH

0.5

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.

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