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A comparative study on the influence of mono, di, and trivalent cations on the chalcopyrite and pyrite flotation
Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, China.
Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, China.
Key Laboratory of Coal Processing and Efficient Utilization (Ministry of Education), School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, China.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.ORCID iD: 0000-0002-2265-6321
2021 (English)In: Journal of Materials Research and Technology, ISSN 2238-7854, Vol. 11, p. 1112-1122Article in journal (Refereed) Published
Abstract [en]

Mineral separation by flotation is a water-intensive process; thus, recycling and reusing the process-water have essential environmental and financial impacts for ore beneficiation plants. The recycled water contains different ions, which affect flotation responses. Several investigations focused on the effects of monovalent and divalent ion contents of the recycled water and seawaters on the flotation recovery. However, there is a gap in exploring the influence of trivalent ions on the metallurgical responses of sulfide flotation. This work is going to fill this gap by exploring and comparing the effect of Na+, Mg2+, and Al3+ on the chalcopyrite and pyrite's flotation responses. Different flotation experiments and surface analyses were considered to assess and compare these multivalent cations' impacts on the flotation responses. Outcomes indicated that compared to Na+ and Mg2+, Al3+ could significantly change both minerals' surface properties, relatively improved pyrite's floatability, and decreased the chalcopyrite recovery. Adsorption of Al(OH)3(s) on the minerals surface and the collector - Al(OH)3(s) aggregate could explain these variations.

Place, publisher, year, edition, pages
Elsevier, 2021. Vol. 11, p. 1112-1122
Keywords [en]
Sulfide minerals, Flotation kinetics, Contact angle, Zeta potential, Trivalent ions
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-82728DOI: 10.1016/j.jmrt.2021.01.086ISI: 000640317100008Scopus ID: 2-s2.0-85103000634OAI: oai:DiVA.org:ltu-82728DiVA, id: diva2:1524239
Note

Validerad;2021;Nivå 2;2021-03-01 (johcin);

Finansiär: China Postdoctoral Science Foundation (2019M652024)

Available from: 2021-02-01 Created: 2021-02-01 Last updated: 2023-09-05Bibliographically approved

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Chelgani, S. Chehreh

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