Abstract
Sodium alginate/graphene oxide (Alg/GO) bead composite adsorbents were used to remove methylene blue MB dye from synthetic wastewater. The Hummers process was used to make graphene oxide, which was then used as an adsorbent in wastewater treatment X-ray diffraction (XRD), atomic force microscopy AFM, and energy dispersive spectroscopy (EDS) are some of the techniques used, and the Fourier transform infrared spectrum FTIRwere all utilized to classify the beads. The effects of different adsorbent doses, MB concentrations, pH, temperature, mass ratio, and interaction time on the adsorption properties of methylene blue on (Alg/GO) composite were investigated. To describe the equilibrium adsorption data, the Langmuir, Freundlich, and Temkin isotherms were used. Adsorption data were found to be better suited to the Freundlich isothermal model in an experimental analysis of adsorption isotherms. The optimum pH value was (7.78), and the time was (12) hours, according to the results of the experiment. At 25 °C, the MB solution's maximum adsorption efficiency was found to be (91.26)%.
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