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Effect of oxygen on Cu(II) adsorption by sphalerite in acidic to neutral pH media
Luleå University of Technology.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
Luleå University of Technology.
1989 (English)In: Scandinavian journal of metallurgy, ISSN 0371-0459, E-ISSN 1600-0692, Vol. 18, no 5, p. 243-250Article in journal (Refereed) Published
Abstract [en]

Sphalerite activation with Cu(II) ions in acidic and neutral pH media was investigated. Special attention was paid to the short-time adsorption characteristics and the effect of oxygen on the activation. In acidic media, the adsorption of Cu(II) ions on sphalerite in the initial stage is controlled by a surface dissolution + surface nucleation process. Oxygen inhibits the adsorption of Cu(II) on sphalerite. In neutral pH media, the process of sphalerite activation by Cu(II) ions can be described by a three-step model, and the effect of oxygen on Cu(II) adsorption is negligible.

Place, publisher, year, edition, pages
1989. Vol. 18, no 5, p. 243-250
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-7604Local ID: 5fdd0b20-b1f4-11db-bf9d-000ea68e967bOAI: oai:DiVA.org:ltu-7604DiVA: diva2:980494
Note
Godkänd; 1989; 20070201 (pafi)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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