Physicochemical Characterization of Mining Waste from the Betare-Oya Gold Area (East Cameroon) and an Adsorption Test by Sabga Smectite (North-West Cameroon)

<table class="table-group" id="tab11"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Absorbents</td><td class="align_center">Adsorption capacity (mg·g<sup>−1</sup>)</td><td class="align_center">References</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Untreated volcanic ash</td><td class="align_center">0.303</td><td class="align_center">[<a href="/journals/scientifica/2020/6293819/#B47" target="_blank">47</a>]</td></tr><tr><td class="align_left">Kaolinite</td><td class="align_center">0.004</td><td class="align_center">[<a href="/journals/scientifica/2020/6293819/#B48" target="_blank">48</a>]</td></tr><tr><td class="align_left">Granular activated carbon</td><td class="align_center">0.025</td><td class="align_center">[<a href="/journals/scientifica/2020/6293819/#B47" target="_blank">47</a>]</td></tr><tr><td class="align_left">Sabga smectite</td><td class="align_center">2.2</td><td class="align_center">Present study</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of adsorption capacity of manganese (II) ions with other adsorbents.</div>

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Table 11

Table 11: Physicochemical Characterization of Mining Waste from the Betare-Oya Gold Area (East Cameroon) and an Adsorption Test by Sabga Smectite (North-West Cameroon) 

Table 11 | Physicochemical Characterization of Mining Waste from the Betare-Oya Gold Area (East Cameroon) and an Adsorption Test by Sabga Smectite (North-West Cameroon) 