Extraction of Water Treatment Coagulant from Locally Abundant Kaolin Clays

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Property</td><td align="center">Extracted alum</td><td align="center">Commercial alum</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">pH</td><td align="center">2.5</td><td align="center">3.0</td></tr><tr><td align="left">Melting point (°C)</td><td align="center">84.0</td><td align="center">86.5</td></tr><tr><td align="left">Appearance</td><td align="center">White</td><td align="center">Off-white</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Some physical properties of commercial and in-house extracted alum.

Journal of Chemistry

tab3

Table 3

Table 3: Extraction of Water Treatment Coagulant from Locally Abundant Kaolin Clays 