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Separation of Bi(III) and Sb(III) from Cu(II) HCl/H2SO4 mixed media by supported liquid membranes using cyanex 921 as carrier / Luis A. Santiago-Santiago in Industrial & engineering chemistry research, Vol. 51 N° 46 (Novembre 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 46 (Novembre 2012) . - pp. 15184-15192 Titre : Separation of Bi(III) and Sb(III) from Cu(II) HCl/H2SO4 mixed media by supported liquid membranes using cyanex 921 as carrier Type de document : texte imprimé Auteurs : Luis A. Santiago-Santiago, Auteur ; J. Antonio Reyes-Aguilera, Auteur ; M. P. Gonzalez, Auteur Année de publication : 2013 Article en page(s) : pp. 15184-15192 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Membrane  separation  Supported  liquid  membranes Résumé : We present a systematic study of the separation of Bi(III) and Sb(III) contained in acidic HCl/H2SO4 aqueous solutions of Cu(II), by SLM, using Cyanex 921 as carrier. The transfer of Sb(III), Bi(lII) and Cu(II) was evaluated in order to determine the efficiency and selectivity of the specific SLM developed. Using a polyvinylidene fluoride (PVDF) microporous membrane impregnated with Cyanex 921, as SLM, we studied the influence of the characteristics of the stripping solution and the effect of temperature on the membrane efficiency and stability. Recovery rates of Sb(III) and Bi(III) were close to 99%, while Cu(II) was barely transferred into the stripping solution. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie301447x [article] Separation of Bi(III) and Sb(III) from Cu(II) HCl/H2SO4 mixed media by supported liquid membranes using cyanex 921 as carrier [texte imprimé] / Luis A. Santiago-Santiago, Auteur ; J. Antonio Reyes-Aguilera, Auteur ; M. P. Gonzalez, Auteur . - 2013 . - pp. 15184-15192. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 46 (Novembre 2012) . - pp. 15184-15192 Mots-clés : Membrane  separation  Supported  liquid  membranes Résumé : We present a systematic study of the separation of Bi(III) and Sb(III) contained in acidic HCl/H2SO4 aqueous solutions of Cu(II), by SLM, using Cyanex 921 as carrier. The transfer of Sb(III), Bi(lII) and Cu(II) was evaluated in order to determine the efficiency and selectivity of the specific SLM developed. Using a polyvinylidene fluoride (PVDF) microporous membrane impregnated with Cyanex 921, as SLM, we studied the influence of the characteristics of the stripping solution and the effect of temperature on the membrane efficiency and stability. Recovery rates of Sb(III) and Bi(III) were close to 99%, while Cu(II) was barely transferred into the stripping solution. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie301447x