Abstract
Abstract A graphene oxide (GO) reduction-based method for rapid, efficient and economic removal of organic dyes and heavy metal ions is reported. This method is performed by adding GO, Zn powder and NH4Cl into wastewater and stirring the solution at ambient conditions for a short period ( g g−1. The removal efficiencies are all above 98.46% and a maximum removal efficiency of 99.99% is obtained for Pb2+. Moreover, the byproducts of water treatment, i.e., rGO with excessive Zn powder and NH4Cl-containing water, can be further used in energy or agricultural fields. The present work establishes a new approach for the promising application of GO in the field of water treatment with high efficiency and good economic prospects.
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