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Minerals 2016, 6(1), 5; https://doi.org/10.3390/min6010005

Application of Full Factorial Experimental Design and Response Surface Methodology for Chromite Beneficiation by Knelson Concentrator

Department of Mining Engineering, Dokuz Eylul University, Buca 35370, Izmir, Turkey
Academic Editor: Massimiliano Zanin
Received: 17 November 2015 / Revised: 11 January 2016 / Accepted: 13 January 2016 / Published: 19 January 2016
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Abstract

The present work is undertaken to determine the effect of operational variables, namely: feed rate, centrifugal force and fluidization water flow rate on the efficiency of Knelson concentrator for chromite ore beneficiation. A full factorial design with three factors at three levels and response surface methodology (RSM) were applied for this purpose. The quadratic models were developed to predict the concentrate Cr2O3 grade and recovery as the process responses. The results suggest that all the variables affect the grade and recovery of the Cr2O3 concentrate to some degree. However, the fluidization water rate was found as the most effective parameter. View Full-Text
Keywords: Knelson concentrator; chromite ores; gravity processing; full factorial design Knelson concentrator; chromite ores; gravity processing; full factorial design
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Akar Sen, G. Application of Full Factorial Experimental Design and Response Surface Methodology for Chromite Beneficiation by Knelson Concentrator. Minerals 2016, 6, 5.

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