𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Solvent extraction of Zn(II) by Cyanex 923 and its application to a solid-supported liquid membrane system

✍ Scribed by Francisco José Alguacil; Susana Martínez

Publisher
Wiley (John Wiley & Sons)
Year
2001
Tongue
English
Weight
121 KB
Volume
76
Category
Article
ISSN
0268-2575

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The extraction of zinc(II) by Cyanex 923 (phosphine oxides mixture) in Solvesso 100 from hydrochloric acid solution has been investigated. The extraction reaction is exothermic. The numerical analysis of metal distribution data suggests the formation of ZnCl~2~·L~2~,HZnCl~3~·2L and H~2~ZnCl~4~·2L(L = ligand) in the organic phase with formation constants K~ext~ = 4.1,5.6 × 10^9^ and 6.7 × 10^9^, respectively. The results obtained for zinc(II) distribution have been implemented in a solid‐supported liquid membrane system. The influence of source phase stirring speed, membrane composition and metal concentration on zinc transport have been investigated.

© 2001 Society of Chemical Industry

📜 SIMILAR VOLUMES

Liquid–liquid extraction of cadmium(II)
Liquid–liquid extraction of cadmium(II) by Cyanex 923 and its application to a solid-supported liquid membrane system
✍ Ana María Rodríguez; Dulce Gómez-Límón; Francisco José Alguacil 📂 Article 📅 2005 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 112 KB 👁 1 views

## Abstract The extraction of cadmium(II) by Cyanex 923 (a mixture of alkylphosphine oxides) in Solvesso 100 from hydrochloric acid solution has been investigated. The extraction reaction is exothermic. The numerical analysis of metal distribution data suggests the formation of CdCl~2~.2L, HCdCl~3~