Kinetic Analysis of Aluminum Extraction from Ethiopian Kaolinite Using Hydrochloric Acid

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left" colspan="6"><i>(a) Chemical compositions of the leached solution</i></td></tr><tr><td class="align_left">Component</td><td class="align_center">A1</td><td class="align_center">Na</td><td class="align_center">K</td><td class="align_center">Fe</td><td class="align_center">Mg</td></tr><tr><td class="align_left">Concentration (g·L<sup>−1</sup>)</td><td class="align_center">25.4</td><td class="align_center">0.14</td><td class="align_center">0.24</td><td class="align_center">0.02</td><td class="align_center">0.15</td></tr><tr><td class="align_left" colspan="6"><hr/></td></tr><tr><td class="align_left" colspan="6"><i>(b) Chemical composition of aluminum chloride hexahydrate (ACH) crystals</i></td></tr><tr><td class="align_left">Component</td><td class="align_center">A1Cl<sub>3</sub>·6H<sub>2</sub>O</td><td class="align_center">NaCl</td><td class="align_center">KCl</td><td class="align_center">FeCl<sub>3</sub></td><td class="align_center">MgCl<sub>2</sub></td></tr><tr><td class="align_left">Composition (%)</td><td class="align_center">98.34</td><td class="align_center">0.50</td><td class="align_center">0.74</td><td class="align_center">0.01</td><td class="align_center">0.41</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical compositions of the leached solution and aluminum chloride hexahydrate crystals.</div>

International Journal of Chemical Engineering

tab6

Table 6

Table 6: Kinetic Analysis of Aluminum Extraction from Ethiopian Kaolinite Using Hydrochloric Acid 