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Removal Of Hexavalent Chromium From Wastewater By Use Of Scrap Iron
Hexavalent chromium is highly toxic to most living organisms and a known human carcinogen by the inhalation route of exposure. Therefore, treatment of Cr(VI) contaminated wastewater is essential before their discharge to the natural water bodies. Cr(VI) reduction to Cr(III) can be beneficial because a more mobile and more toxic chromium species is converted to a less mobile and less toxic form. Zero-valence-state metals, such as scrap iron, can serve as electron donors for reducing Cr(VI) todoi:10.5281/zenodo.1328908 fatcat:xygrwfu3k5h4bdb7sbg25fxknq