On the selective separation of metal ions from hydrochloride aqueous solution by pertraction through supported ionic liquid membranes
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Pérez de los Ríos, Antonia; Hernández Fernández, Francisco José; Lozano Blanco, Luis Javier; Sánchez Segado, Sergio; Ginestá Anzola, Anahí; [et al.]Área de conocimiento
Ingeniería QuímicaPatrocinadores
This work was partially supported by the the Spanish Ministry of Science and Innovation (MICINN) and by the FEDER (Fondo Europeo de Desarrollo Regional), ref.CICYT ENE2010-18687 and ENE2011-25188 and by the SENECA Foundation 15260/PI/10 grants.Fecha de publicación
2013-10Editorial
ElsevierCita bibliográfica
A.P. de los Ríos, F.J. Hernández-Fernández, L.J. Lozano, S. Sánchez-Segado, A. Ginestá-Anzola, C. Godínez, F. Tomás-Alonso, J. Quesada-Medina, On the selective separation of metal ions from hydrochloride aqueous solution by pertraction through supported ionic liquid membranes, Journal of Membrane Science, Volume 444, 2013, Pages 469-481, ISSN 0376-7388, https://doi.org/10.1016/j.memsci.2013.05.006Revisión por pares
siPalabras clave
Ionic liquidSupported liquid membrane
Zinc
Cadmium
Copper
Iron
Resumen
Previously, we reported the use of imidazolium and ammonium based ionic liquids in the absence of chelating agents for the selective liquid–liquid extraction of Zn(II), Cd(II), Cu(II), and Fe(III) from hydrochloride aqueous solutions. It was found that the ionic liquid methyltrioctylammonium chloride, [MTOA+][Cl−], allowed the almost complete removal of Zn(II), Cd(II), Fe(III) and Cu(II) from the aqueous solutions. In this work, supported ionic liquid membranes based on methyltrioctylammonium chloride were used in an pertraction process for the selective extraction of Fe(III), Zn(II), Cd(II) and Cu(II). The influence of the composition of the receiving phase (milliQ water or Na2CO3, 0.1 M; or NH3,6 M) in the pertraction process was analyzed. It was found that Milli-Q water and Na2CO3 allowed the recovery of Zn(II), Fe(III), reaching pertraction factors (PFs), defined as the ratio between the concentration of the target metal ion in the receiving and the feed phase, of up to 373 for Zn(II), ...
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