Abstract
Magnetic iron oxide nanoparticles (Fe3O4NPs) were prepared using the co-precipitation technique successfully. The prepared nanoparticles were used to modify chitosan (CHT) to use the produced nanocomposite (CHT/ Fe3O4NPs) as an adsorbent surface for removing methyl green dye from its aqueous solution .Infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), X-ray dispersion spectroscopy (EDS), X-ray diffraction spectroscopy (XRD) and thermal gravimetric analysis (TGA) were used to characterize (Fe3O4NPs) and (CHT/ Fe3O4NPs). The system of adsorption was described by Langmuir, Freundlich and Temken models. The adsorbed dye capacity increases with increasing temperature which indicates to the endothermic nature of adsorption.
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