Chitosan modified Fe0 nanowires in porous anodic alumina and their application for the removal of hexavalent chromium from water

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Abstract
This work demonstrates that Fe0 nanowires modified with chitosan embedded in porous anodic alumina are good adsorbents for the removal of Cr6+ ions from water. Results show that the adsorption capacity can reach 113.2 mg g−1, moreover, most of the toxic Cr6+ ions transform into nontoxic Cr3+ ions after adsorption.