Treatment of Copper Converter Flue Dust for the Separation of Metallic/Non-metallic Copper by Hydrometallurgical Processing. | Zendy

María Isabel Martín | Zendy; Aurora LópezDelgado | Zendy; Félix A. López | Zendy; Aurora Gómez Coedo | Zendy; M. T. Dorado | Zendy; Francisco José Alguacil | Zendy

Open Access

Treatment of Copper Converter Flue Dust for the Separation of Metallic/Non-metallic Copper by Hydrometallurgical Processing.

Author(s) -

María Isabel Martín,

Aurora LópezDelgado,

Félix A. López,

Aurora Gómez Coedo,

M. T. Dorado,

Francisco José Alguacil

Publication year - 2003

Publication title -

journal of chemical engineering of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.206

H-Index - 49

eISSN - 1881-1299

pISSN - 0021-9592

DOI - 10.1252/jcej.36.1498

Subject(s) - copper , metal , flue , leaching (pedology) , chemistry , metallurgy , extraction (chemistry) , copper extraction techniques , materials science , chromatography , waste management , environmental science , soil science , engineering , soil water

A hydrometallurgical procedure for the separation of copper soluble species from metallic copper of a copper converter flue dust was studied. The high content of metallic copper in the starting material made unique a procedure of such characteristics for the treatment of this secondary copper resource. The procedure consists of leaching and solvent extraction operations. Leaching was carried out under atmospheric conditions using sulphuric acid. Under various experimental conditions the metallic copper fraction remains unattacked. The solubilized copper was separated/recovered by solvent extraction using LIX 860 or MOC-55TD oximes in Iberfluid (diluent). The loaded organic solutions can be stripped using typical spent electrolyte solutions (e.g. 25 g dm-3 Cu and 180 g dm-3 H2SO4). Results obtained showed the feasibility of the operation in the treatment of a converter dust with a high content of metallic copper.To the CSIC (Spain) for support to carry out this work. To Cognis Corp. for supplying samples of the extractants.Peer reviewe

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