Evaluating the Effect of Calcination and Grinding of Corn Stalk Ash on Pozzolanic Potential for Sustainable Cement-Based Materials

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left" colspan="2">Physical and chemical properties of CS500</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">SiO<sub>2</sub></td><td class="align_center">78.4</td></tr><tr><td class="align_left">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">3.1</td></tr><tr><td class="align_left">Al<sub>2</sub>O<sub>3</sub></td><td class="align_center">0.8</td></tr><tr><td class="align_left">K<sub>2</sub>O</td><td class="align_center">2.4</td></tr><tr><td class="align_left">CaO</td><td class="align_center">4.8</td></tr><tr><td class="align_left">MgO</td><td class="align_center">5.4</td></tr><tr><td class="align_left">SO<sub>3</sub></td><td class="align_center">1.5</td></tr><tr><td class="align_left">Na<sub>2</sub>O</td><td class="align_center">0.2</td></tr><tr><td class="align_left">TiO<sub>2</sub></td><td class="align_center">0.02</td></tr><tr><td class="align_left">P<sub>2</sub>O<sub>5</sub></td><td class="align_center">3.00</td></tr><tr><td class="align_left">LOI</td><td class="align_center">4.9</td></tr><tr><td class="align_left">Specific gravity (after 2 hours of grinding)</td><td class="align_center">2.26</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Physical and chemical properties of CSA incinerated at 500°C.</div>

Advances in Materials Science and Engineering

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Table 4

Table 4: Evaluating the Effect of Calcination and Grinding of Corn Stalk Ash on Pozzolanic Potential for Sustainable Cement-Based Materials 