Chemical Investigation and Separation of Chromium from Chrome Cake of BSCIC Tannery Industrial Estate at Hemayetpur, Dhaka, Bangladesh

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Total chromium</td><td class="align_center" rowspan="2">Cr (VI) UV-Vis</td><td class="align_center" rowspan="2">Cr (III)</td></tr><tr class="thead"><td class="align_left">ICP-OES</td><td class="align_center">XRF</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" colspan="4"><i>Before treatment of chrome cake</i></td></tr><tr><td class="align_left">17.45</td><td class="align_center">20.7</td><td class="align_center">0.04</td><td class="align_center">17.41</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left" colspan="4"><i>After treatment of chrome cake</i></td></tr><tr><td class="align_left">0.71</td><td class="align_center">0.88</td><td class="align_center">0.01</td><td class="align_center">0.70</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chromium content determination (before and after treatment) in chrome cake by ICP-OES, XRF, and UV-visible spectrophotometer.</div>

Journal of Environmental and Public Health

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Table 2

Table 2: Chemical Investigation and Separation of Chromium from Chrome Cake of BSCIC Tannery Industrial Estate at Hemayetpur, Dhaka, Bangladesh 