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Optimization Of Process Parameters In The Batch Crystallization Of Sodium Chloride From Brine By The Taguchi Method

Journal: International Journal of Scientific & Technology Research (Vol.6, No. 8)

Publication Date:

Authors : ; ; ;

Page : 160-165

Keywords : ANOVA; Crystallization; Mineral Salts; Minitab; Process Parameters; Sodium Chloride; Taguchi analysis;

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Abstract

In this study the parameters affecting the crystallization of sodium chloride from brine were investigated. Taguchi experimental design method was applied to study the most influential controlling parameters such as feed concentration mixer speed heating load and residence time on the crystallization yield of salt. An L9 34 orthogonal array experimental design consisting of four parameters each with three levels was employed to examine the effect of the simultaneous variation of these parameters as control factors on the mass yield. Statistical analysis of variance ANOVA was also used to determine the relationship between the experimental conditions and salt yield levels. The results from the signal-to-noise SN analysis showed that the optimum conditions for maximum crystal yield were achieved when the feed concentration mixer speed residence time and heating load are 0.248 g of NaClg of solution 830 rpm 50 minutes and 1400 W respectively. Moreover the ANOVA results indicated that the residence time and heating load are the most significant parameters influencing the salt crystal yield with a contribution of 57.11 and 20.07 respectively. The mixer speed and feed concentration had the smallest effect on the crystal yield with a contribution of 19.55 and 3.3 respectively.

Last modified: 2017-10-22 19:56:52