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A. Voshkin, A., Zakhodyaeva, Y. A., & Zinov’eva, I. V. (2020). “Green” Extractants in the Recovery Processes of Non-ferrous Metal Ions from Technological Solutions. KnE Materials Science, 6(1), 227–238. https://doi.org/10.18502/kms.v6i1.8072

https://doi.org/10.18502/kms.v6i1.8072

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authors

  • Andrey A. Voshkin

    Andrey A. Voshkin

    Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky Prospect, Moscow, 119991 Russia
  • Yulia A. Zakhodyaeva

    Yulia A. Zakhodyaeva

    Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky Prospect, Moscow, 119991 Russia
  • Inna V. Zinov’eva

    Inna V. Zinov’eva

    Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky Prospect, Moscow, 119991 Russia

Published Date

  • Dec 31, 2020

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

KnE Materials Science / IV Congress “Fundamental Research and Applied Developing of Recycling and Utilization Processes of Technogenic Formations” Volume 2020 / Pages 227–238

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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