Journal article
Reduction of chalcopyrite with copper (I)
Journal of Applied Electrochemistry, Vol.13(4), pp.411-416
1983
Abstract
In the presence of Cu(I), chalocopyrite is reduced to Cu2S and Cu5FeS4. Electrochemical studies on polished chalcopyrite crystals establish that this reaction is electrochemical in nature and dependent on the redox potential of the copper(II)/copper(I) couple. A sharp decrease in the initial rate of reduction is observed which is attributed to the rapid formation of bornite and diffusion of Cu(I) through a thickening film. Subsequent reaction of bornite to chalcocite is a slow electrochemical reaction with a Tafel slope of - 162±5mV.
Details
- Title
- Reduction of chalcopyrite with copper (I)
- Authors/Creators
- I.D. MacLeod (Author/Creator) - Material (Belgium)D.M. Muir (Author/Creator) - Murdoch University
- Publication Details
- Journal of Applied Electrochemistry, Vol.13(4), pp.411-416
- Publisher
- Kluwer Academic Publishers
- Identifiers
- 991005543903307891
- Copyright
- © 1983 Chapman and Hall Ltd.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 7 Engineering & Materials Science
- 7.229 Mineral & Metal Processing
- 7.229.774 Bioleaching
- Web Of Science research areas
- Electrochemistry
- ESI research areas
- Chemistry