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Recycling of process water: effect of calcium and sulphate ions in sulphides flotation
Boliden Mineral AB.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
2010 (English)In: Conference in Minerals Engineering: Luleå, 2 -3 februari 2010 / [ed] Johanna Alatalo, Luleå: Luleå tekniska universitet, 2010, 51-61 p.Conference paper (Other academic)
Abstract [en]

The effects of major components of calcium and sulphate ions in process water on sulphide mineral flotation has been investigated through Hallimond flotation of pure sulphide minerals using tapwater and water containing sulphate and calcium ions as well as through bench scale flotation of complex sulphide ores using tapwater and process water and with tapwater in the presence of calcium and sulphate ions. Hallimond flotation indicated activation of pyrite and slight depression of galena and chalcopyrite in the presence of high concentration of major species of calcium and sulphate ions using potassium amyl xanthate as collector. Bench scale flotation indicated activation of zinc when processwater was used and flotation in tapwater containing calcium and sulphate ions presented similar but not identical results.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2010. 51-61 p.
Research subject
Mineral Processing
URN: urn:nbn:se:ltu:diva-34036Local ID: 82404720-6323-11df-ab16-000ea68e967bISBN: 978-91-7439-097-1 (PDF)OAI: diva2:1007285
Konferens i mineralteknik 2010 : 02/02/2010 - 03/02/2010
Godkänd; 2010; 20100519 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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