Preparation and characterization of magnetic graphene oxide nanocomposite (GO-Fe3O4) for removal of strontium and cesium from aqueous solutions

Sule Aytas, Sabriye Yusan, Senol Sert, Cem Gok

Article ID: 1291
Vol 4, Issue 1, 2021

VIEWS - 82110 (Abstract) 295 (PDF)

Abstract


Magnetic graphene oxide nanocomposites (M-GO) were successfully synthesized by partial reduction co-precipitation method and used for removal of Sr(II) and Cs(I) ions from aqueous solutions. The structures and properties of the M-GO was investigated by X-ray diffraction, Fourier transformed infrared spectroscopy, X-ray photoelectron spectroscopy, transmission electron microscopy, scanning electron microscopy, vibrating sample magnetometer (VSM) and N2-BET measurements. It is found that M-GO has 2.103 mg/g and 142.070 mg/g adsorption capacities for Sr(II) and Cs(I) ions, respectively. The adsorption isotherm matches well with the Freundlich for Sr(II) and Dubinin–Radushkevich model for Cs(I) and kinetic analysis suggests that the adsorption process is pseudo-second-ordered.


Keywords


Graphene Oxide; Magnetite; Nanocomposite; Strontium; Cesium, Sorption

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DOI: https://doi.org/10.24294/can.v4i1.1291

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