KnE Materials Science

ISSN: 2519-1438

The latest conference proceedings on physical materials, energy materials, electrical materials.

“Green” Extractants in the Recovery Processes of Non-ferrous Metal Ions from Technological Solutions

Published date: Dec 31 2020

Journal Title: KnE Materials Science

Issue title: IV Congress “Fundamental Research and Applied Developing of Recycling and Utilization Processes of Technogenic Formations” Volume 2020

Pages: 227–238

DOI: 10.18502/kms.v6i1.8072

Authors:

Andrey A. Voshkin - voshkin@igic.ras.ru

Yulia A. Zakhodyaeva

Inna V. Zinov’eva

Abstract:

The extraction of non-ferrous metal ions (Co, Ni, Cu, Al) from chloride solutions with poly(propylene glycol) 425 was studied. The values of the distribution coefficients and the degree of metal ions extraction are determined in the system under study. The mechanism of metal extraction in the poly(propylene glycol) 425 – sodium chloride– water extraction system in the presence of KSCN is described. The possibility of selective extraction of Co (II), Ni (II), Cu (II) and Al (III) from chloride solutions with poly(propylene glycol) 425 in the presence of KSCN is shown.

Keywords: aqueous two-phase system, metal extraction, liquid–liquid equilibria, e-waste, poly(propylene glycol), sodium chloride

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