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Bioleaching and electrochemical leaching of a pyritic chalcopyrite concentrate
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0002-3255-3051
Linnaeus University, Kalmar.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
2013 (English)In: Advanced Materials Research, ISSN 1022-6680, E-ISSN 1662-8985, Vol. 825, 254-257 p.Article in journal (Refereed) Published
Abstract [en]

Moderately thermophilic bioleaching of a pyritic chalcopyrite concentrate was mimicked in an electrochemical vessel. The bioleaching was carried out for 28 days at 45°C with 2.5% (wt/vol) solid content at pH 1.5. Data from the redox potential development was used to program a redox potential controller in an electrochemical vessel to reproduce the same leaching conditions in the absence of microorganisms. Despite precipitation of iron as jarosite and formation of elemental sulphur in the electrochemical experiment, the copper recoveries were almost the same in both experiments.

Place, publisher, year, edition, pages
2013. Vol. 825, 254-257 p.
National Category
Metallurgy and Metallic Materials
Research subject
Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-28013DOI: 10.4028/www.scientific.net/AMR.825.254Scopus ID: 84886780282Local ID: 1a7e32de-2ed1-4b54-ac61-64fb3dbc7be0OAI: oai:DiVA.org:ltu-28013DiVA: diva2:1001206
Conference
International Biohydrometallurgy Symposium : 08/10/2013 - 11/10/2013
Note
Validerad; 2013; 20131004 (aksa); Konferensartikel i tidskriftAvailable from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-30Bibliographically approved

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