Processing of a ferric anolyte produced by a copper electrowinning cell based on reactive electro dialysis

J. M. Casas, P. Acuña-Goycolea, G. Crisóstomo, L. Cifuentes

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The processing of a Fe-containing anolyte produced by a copper electro winning process carried out in a reactive electro dialysis (RED) cell has been studied. The resulting anolyte was an acidic aqueous solution which contained FeIII species. This solution can be used: (a) as a leaching agent or (b) as a source of commercially valuable ferric sulfate. Two operations were studied in this work: (i) leaching of metallic copper and (ii) crystallization of iron sulfates. In both cases, the kinetics, optimum operating conditions, mass balance and efficiency were determined. As a result, two conceptual flow diagrams for copper electro winning-anolyte processing were proposed to help the development of new hydrometallurgical processes. © 2007 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)525-532
Number of pages8
JournalMinerals Engineering
DOIs
Publication statusPublished - 1 Jun 2008
Externally publishedYes

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