Defluoridation with Locally Produced Thai Bone Char

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Ion</td><td align="center">Thai bone char</td><td align="center">Indian bone char</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Chloride</td><td align="center">−0.168</td><td align="center">−0.264</td></tr><tr><td align="left">Nitrate</td><td align="center">0.129</td><td align="center">0.105</td></tr><tr><td align="left">Sulfate</td><td align="center">0.474</td><td align="center">0.183</td></tr><tr><td align="left">Fluoride</td><td align="center">0.942</td><td align="center">0.831</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The Pearson correlation coefficient between sorbed fluoride per mass of bone char and each ion.

Advances in Environmental Chemistry

tab7

Table 7

Table 7: Defluoridation with Locally Produced Thai Bone Char 