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Recovering gold from copper concentrate via the HydroCopper™ process
Outotec Research.
Outotec Research.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
Outotec Research.
2004 (English)In: JOM: The Member Journal of TMS, ISSN 1047-4838, E-ISSN 1543-1851, Vol. 56, no 8, 57-59 p.Article in journal (Refereed) Published
Abstract [en]

HydroCopperTM technology comprises a chloride-leaching method for copper sulfi de concentrates and copper production up to semi-products. As compared with the commonly used sulfate solutions, brine solutions offer aggressiveness and stability of the copper(I) ion and, consequently, a lower energy consumption in leaching. Copper(II) ions and oxygen are used as oxidants. Iron reports to the leaching residue as oxide and sulfur as elemental sulfur. Gold is dissolved and recovered in the third stage of the counter-current leaching when the redox potential reaches higher levels.

Place, publisher, year, edition, pages
2004. Vol. 56, no 8, 57-59 p.
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-5438Local ID: 38b121e9-bcdc-48e9-897c-aaf73ef76516OAI: oai:DiVA.org:ltu-5438DiVA: diva2:978312
Note
Validerad; 2004; 20110420 (perlam)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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CiteExportLink to record
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