Removal of heavy metals using graphene composites


Removal of heavy metals using graphene composites

Mukesh Kumar, Prashant Singh, Manish Kumar Gautam

The presence of heavy metal ions in water is a serious risk to the human health and other living forms on earth because the indiscriminate disposal of these non-biodegradable pollutants worldwide. Nanotechnology-based developed current nano-adsorbent are the demand of the current research for the effective removal of highly toxic heavy metal ions from the wastewaters. Graphene and graphene oxide based nano-adsorbent play a major role in the effective removal of heavy metal ions because the unique nature of graphene such as extremely high electronic mobility, large surface area to volume ratio, weight, and preponderance of exposed edge planes to enhance charge storage which are responsible for their higher absorption capacity when compared with other materials. Hence, the applicability of graphene and its composites as an adsorbent for the removal of heavy metal ions is summarized in this chapter.

Graphene, Graphene Oxide, Nanoadsorbent, Surface Adsorption, Heavy Metal Ions, Grafting, Magnetite, Functionalization

Published online 8/1/2017, 37 pages


Part of Inorganic Pollutants in Wastewater

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