Zinc(II) selective removal from other transition metal ions by solvent extraction and transport through polymer inclusion membranes with D2EHPA

• Autorzy: Ulewicz M. , Walkowiak W. , Gęga J. , Pośpiech B.
• Języki publikacji: EN

Abstrakty

EN

An experimental investigation concerns zinc(II), cobalt(II), nickel(II), copper(II) and cadmium(II) ions separation from aqueous chloride solutions by solvent extraction and transport through polymer inclusion membrane (PIM) processes. The selective transport of metal ions from the aqueous chloride source phase through PIM containing cellulose triacetate (support), o-nitrophenyl pentyl ether (plasticizer) and di(2-ethylhexyl)phosphoric acid (ion carrier) is shown. Zn(II) can be effectively removed from dilute aqueous chloride solutions by its transport through PIMs with di(2-ethylhexyl)phosphoric acid as the ionic carriers into 1.0 M HCl as the receiving phase. The transport selectivity of Zn(II) over Co(II), Ni(II), Cu(II) and Cd(II) decreases while the pH of the solution increases in the source phase. Also, by solvent extraction, Zn(II) can be selectively removed from dilute aqueous chloride solutions.

Słowa kluczowe

EN

polymer inclusion membrane; solvent extraction; zinc(II); cobalt(II); nickel(II); copper(II); cadmium(II)

• Wydawca: Faculty of Chemical Technology and Engineering, University of Technology and Life Sciences, Bydgoszcz
• Czasopismo: Ars Separatoria Acta
• Rocznik: 2003
• Tom: No. 2
• Strony: 47--55
• Opis fizyczny: Bibliogr. 22 poz., rys., tb.

Twórcy

autor

Ulewicz M.

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

autor

Walkowiak W.

• Institute of Inorganic Chemistry and Metallurgy of Rare Elements, Wroclaw University of Technology, 50-370 Wroclaw, Wybrzeże Wyspiańskiego 27, Poland

autor

Gęga J.

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

autor

Pośpiech B.

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

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