Optimization of leaching parameters of aluminum hydroxide extraction from bauxite waste using the taguchi method
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2018
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Abstract
In this study, the statistical optimization of the leaching parameters of aluminum hydroxide extraction from bauxite waste (red mud) was investigated. The extraction parameters were solid-to-liquid ratio, base concentration, reaction temperature, leaching time, and stirring speed. Optimum experimental conditions were carried out by the Taguchi method. A higher dissolution rate was found to give better performance characteristics. The most important parameter was determined using the statistical analysis of variance. © 2017 American Institute of Chemical Engineers Environ Prog, 37: 196–202, 2018. © 2017 American Institute of Chemical Engineers Environ Prog.