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Applying the Taguchi Design To Optimize Effective Parameters For Removal of Heavy Metals of Wet Process Phosphoric Acid in Liquid-Liquid Extraction Column
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DOR
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20.1001.2.9919199705.1399.11.1.386.1
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نویسنده
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- - ,- - ,- - ,- -
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منبع
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كنگره مهندسي شيمي - 1399 - دوره : 11 - یازدهمین کنگره بین المللی مهندسی شیمی - کد همایش: 99191-99705
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چکیده
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In the present study, the removal of heavy metals (arsenic (as) and mercury (hg))from wet process phosphoric acid using 2-ethylhexanol solvent plus 20% tributylphosphate through applying the taguchi design have been investigated# three parameters including mixing intensity, time, and organic to aqueous phase ratio, have been studied in the packed bed vertical column# the recycle flow to column has been used for higher contact of two phases, developing residence time and better mass transfer# also the mixing intensity parameter has been investigated by adjusting the rate of the recycle flow# the concentration of as and hg has been measured and the removal percentage of them in acid has been calculated at each step# as and hg have respectively been decreased by 89#72% and 95#32% applying the taguchi predictive statistical method considering the optimal parameters#
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کلیدواژه
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Phosphoric Acid ,Taguchi Design ,Liquid – Liquid Extraction ,Heavy Metals
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آدرس
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Sahand University Of Technology, Iran, Sahand University Of Technology, Iran, Sahand University Of Technology, Iran, Sahand University Of Technology, Iran
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Authors
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