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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 tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Mineralteknik och metallurgi.ORCID-id: 0000-0002-5228-3888
Department of Mining Engineering, Isfahan University of Technology, Isfahan, Iran.
Department of Mining Engineering, Urmia University, Urmia, Iran.
Vise andre og tillknytning
2019 (engelsk)Inngår i: Mining, metallurgy & exploration, ISSN 2524-3462, Vol. 36, nr 2, s. 409-421Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Springer, 2019. Vol. 36, nr 2, s. 409-421
Emneord [en]
Taguchi, Flotation, Collector, Kinetics, Copper, Sungun copper complex
HSV kategori
Forskningsprogram
Mineralteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-71161DOI: 10.1007/s42461-018-0005-yISI: 000474227100016OAI: oai:DiVA.org:ltu-71161DiVA, id: diva2:1254624
Merknad

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

Tilgjengelig fra: 2018-10-09 Laget: 2018-10-09 Sist oppdatert: 2019-08-16bibliografisk kontrollert

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