Recovery of copper from ammoniacal/ammonium carbonate medium by LIX 973N

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1999 English Publisher:Elsevier BVJournal:Hydrometallurgy, volume 52, pages 55-61 (issn: 0304-386X,

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Authors: Alguacil, Francisco José;

doi: 10.1016/s0304-386x(99)00012-2

handle: 10261/38552

Recovery of copper from ammoniacal/ammonium carbonate medium by LIX 973N

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Abstract

The extraction–stripping reactions of copper with LIX 973N in Iberfluid have been studied. The effect of equilibration time, temperature, ammonium carbonate concentration, aqueous pH, extractant and strip solution concentrations as well as the loading capacity of the reagent were investigated. The loaded organic was found to pick up some ammonia, which has been selectively stripped at controlled pH. The number of stages required for the extraction and stripping of copper was also evaluated. The results are used to assess the conditions for purification of ammoniacal industrial waste solutions containing copper.

We would like to thank the CSIC Spain. for support to carry out this work and Dr. Schawb Henkel, Germany. for supply of a sample of LIX 973N reagent.

Peer reviewed

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Keywords

Ammonium compounds, Ammonium carbonate, ndustrial waste treatment, Copper, Purification, LIX 973N, Thermal effects

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