Abstract:A fundamental investigation of the separation and recovery of PdCl 4 2-, PtCl 6 2-, HCr 2 O 7 -, Cu 2+ , Ni 2+ and Zn 2+ from an aqueous solution by using microcapsules containing a metal extractant has been undertaken. As extractants, 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester (EHPNA) and tri-n-octylamine loaded with hydrochloric acid (TOA-HCl) were used. The extractants were successfully encapsulated in microcapsules during the in situ microencapsulation process. The extractabilities of the metals i… Show more
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