Response of rough and acute surfaces of pyrite with 3-D approach to the flotation |
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| Authors: | C Hicyilmaz U Ulusoy S Bilgen M Yekeler G Akdogan |
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| Affiliation: | (1) Mining Engineering Department, Middle East Technical University, Ankara, Turkey;(2) Mining Engineering Department, Cumhuriyet University, Sivas, Turkey;(3) Civil Engineering Department, Mersin University, Mersin, Turkey;(4) School of Process and Materials Engineering, University of the Witwatersrand, Johannesburg, South Africa |
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| Abstract: | This study presents a new 3-D approach to determine the morphological properties of pyrite particles by Brunauer — Emmett
— Teller (BET) nitrogen gas adsorption and Permaran methods. The obtained parameters, which are surface roughness and acuteness,
were correlated with the floatability of those mineral particles. The flotation performances of the pyrite particles ground
in different mills were also evaluated by a Hallimond tube. The results showed that lower roughness and acuteness values caused
higher flotation recoveries for the pyrite particles considered.
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 4, pp. 95–104, July–August, 2006 |
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| Keywords: | Surface roughness acuteness grinding floatability pyrite |
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