Abstract
In this study, the adsorption capability of Fe3O4/ZrO2 composites, synthesized using co-precipitation method, has been studied with the addition of nanographene platelets (NGP) and graphene. The as-prepared samples were fairly characterized using X-ray diffraction, energy dispersive x-ray spectroscopy, and a vibrating sample magnetometer. The as-prepared samples were used for uptake of methylene blue (MB) used as a model of an organic pollutant. The obtained results show that the incorporation of NGP and graphene increases the adsorption capability of Fe3O4/ZrO2, and the addition of graphene enhanced the adsorption ability of Fe3O4/ZrO2 to a higher degree compared to NGP, in the removal of MB from the aqueous solution. We also studied the effect of pH, adsorption isotherms, and reusability of the as-prepared samples on the MB removal.
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