Synergistic solvent extraction of Co(II) and Li(I) from aqueous chloride solutions with mixture of Cyanex 272 and TBP

• Autorzy: Pospiech B.

Identyfikatory

DOI

10.5277/ppmp160130

• Języki publikacji: EN

Abstrakty

EN

In this work, separation of cobalt(II) over lithium(I) ions from aqueous chloride solutions by synergistic solvent extraction (SX) has been studied. A synergistic mixture of commercial extractants such as bis(2,4,4-trimethylpentyl)phosphinic acid (Cyanex 272) and tributyl phosphate (TBP) in kerosene was used as a selective extractant. The investigations were first performed to select optimal conditions for the effective separation including pH of the aqueous phase as well as concentration of synergistic mixture. High selective solvent extraction of cobalt(II) over lithium(I) from chloride solution has been achieved by the mixture of 0.1 M Cyanex 272 and 0.05 M TBP in kerosene while efficient Co(II) stripping has been performed by 0.5 M sulphuric acid.

Słowa kluczowe

EN

cobalt(II); lithium(I); Cyanex 272; TBP; synergistic extraction

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2016
• Tom: Vol. 52, iss. 1
• Strony: 353--364
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Pospiech B.

• Department of Chemistry, Czestochowa University of Technology, Armii Krajowej 19, 42-200 Czestochowa, Poland

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.