Study on Sodium Modification of Inferior Ca-Based Bentonite by Suspension Method

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td align="left">SiO<sub>2</sub></td><td align="center">Al<sub>2</sub>O<sub>3</sub></td><td align="center">Fe<sub>2</sub>O<sub>3</sub></td><td align="center">CaO</td><td align="center">MgO</td><td align="center">K<sub>2</sub>O</td><td align="center">Na<sub>2</sub>O</td><td align="center">P</td><td align="center">S</td><td align="center">LOI*</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td align="left">66.73</td><td align="center">14.05</td><td align="center">1.86</td><td align="center">2.37</td><td align="center">1.20</td><td align="center">1.06</td><td align="center">0.84</td><td align="center">0.010</td><td align="center">0.015</td><td align="center">9.79</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>
              *Note: LOI is loss of ignition.<br/></td></tr></table>

Chemical compositions of the sample Ca-Bent (wt.%).

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Table 1: Study on Sodium Modification of Inferior Ca-Based Bentonite by Suspension Method 