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Liquid-liquid extraction of cadmium(II) by TIOACL (tri-iso-octylammonium chloride) ionic liquid and its application to a TIOACl impregnated carbon nanotubes system

AuthorsAlguacil, Francisco José; García-Díaz, Irene; López Gómez, Félix Antonio ; Rodríguez, O.
Hydrochloric acid
Ionic liquid
Carbon nanotubes
Issue Date2015
PublisherConsejo Superior de Investigaciones Científicas (España)
CitationRevista de Metalurgia 51(3): e051 (2015)
Abstract© 2015 CSIC. The extraction of cadmium(II) by the ionic liquid (R3NH+Cl-) (R: tri-iso-octyl) in Exxsol D100 from hydrochloric acid solution has been investigated. The extraction reaction is exothermic. The numerical analysis of metal distribution data suggests the formation of R3NH+CdCl3 - and (R3NH+)2CdCl2 4 - species in the organic phase. The results obtained for cadmium(II) distribution have been implemented in an impregnated multi-walled carbon nanotubes system. The influence of aqueous solution stirring speed (250-2000 min-1), adsorbent dosage (0.05-0.2 g) and temperature (20 °C-60 °C) on cadmium adsorption have been investigated. Copyright:
Publisher version (URL)http://dx.doi.org/10.3989/revmetalm.051
Identifiersdoi: 10.3989/revmetalm.051
issn: 1988-4222
Appears in Collections:(CENIM) Artículos
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