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Combined Effect of Operating Parameters on Separation Efficiency and Kinetics of Copper Flotation
Department of Mining Engineering, Urmia University, Urmia, Iran.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.ORCID iD: 0000-0002-5228-3888
Department of Mining Engineering, Isfahan University of Technology, Isfahan, Iran.
Department of Mining Engineering, Urmia University, Urmia, Iran.
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2019 (English)In: Mining, metallurgy & exploration, ISSN 2524-3462, Vol. 36, no 2, p. 409-421Article in journal (Refereed) Published
Abstract [en]

This study aims to investigate the effects of operational variables on concentrate grade, recovery, separation efficiency, and kinetic parameters of the copper flotation process. For this purpose, the effects of the pulp solids content, collector and frother dosage, and preparation and concentrate collection time were studied using a Taguchi experimental design. The results of statistical analyses indicated that the concentrate collection time and pulp density were the most influential parameters on concentrate grade. Considering copper recovery, concentrate collection time, collector dosage, and pulp density were the most significant variables, in decreasing order of importance. Also, the separation efficiency was mostly influenced by the concentrate collection time. Furthermore, kinetic studies showed that the second-order rectangular distribution model perfectly matched the experimental flotation data. The highest kinetic constant of 0.0756 s−1 was obtained from the test, which was performed with 35% solids content and 40 and 20 g/t collector and frother, respectively. The highest predicted copper recovery of 99.57% was obtained from the test at 30% solids content, and the collector and frother dosages of 40 and 15 g/t, respectively.

Place, publisher, year, edition, pages
Springer, 2019. Vol. 36, no 2, p. 409-421
Keywords [en]
Taguchi, Flotation, Collector, Kinetics, Copper, Sungun copper complex
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-71161DOI: 10.1007/s42461-018-0005-yISI: 000474227100016OAI: oai:DiVA.org:ltu-71161DiVA, id: diva2:1254624
Note

Validerad;2019;Nivå 2;2019-08-16 (johcin)

Available from: 2018-10-09 Created: 2018-10-09 Last updated: 2019-08-16Bibliographically approved

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Ghorbani, Yousef

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