EFFICIENT RECOVERY OF METALS FROM AQUEOUS MEDIA BY TWO PHASE MICROEMULSION SYSTEM release_ifyx6wnkpjbcfbd6vsmassjy7y

by Daniela Cadar, Nicoleta Olteanu, Adina Petcu, Aurelia Meghea, Maria Mihaly

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Volume 79 (2017)

Abstract

Two nonionic microemulsions for heavy metal recovery from a synthetic solution have been investigated. The constructed pseudo ternary phase diagrams presented a large Winsor II domain which is preferred for metals ions recovery. The results showed that 4 mol·L-1 sodium thiocyanate is the optimum concentration for cobalt salt recovering in 0.05 mol·L-1 concentration. The maximum amount of cobalt salt that can be recovered using the optimum sodium thiocyanate concentration was 0.1 mol·L-1 for both systems. This investigation is important from economical and environmental points of view for the recovery of heavy metals from aqueous or solid wastes.
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