Abstract
Graphene oxide (GO) was prepared by a modified Hummers method, and the morphology, composition and structure of the graphene were characterized by scanning electron microscopy (SEM), energy dispersive spectrometry (EDS) and Raman spectroscopy. The refractory organic wastewater was represented by methyl orange (MO). The photocatalytic ability of GO to degrade MO under visible light irradiation was improved by the addition of H2O2, aeration, the increase of illumination, according to the photocatalytic mechanism of GO.
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