Abstract
Presences of antibiotics in water bodies have received widespread attention due to their potential toxicity. In this study, adsorption efficiency of synthesized beads was investigated, which were prepared by using chitosan, almond and walnut shell powder. The properties of the beads were characterized using Fourier-transform infrared spectroscopy analyses (FTIR), Scanning Electron Microscope (SEM) and energy dispersive X-ray analysis (EDX). The functioning of beads was attributed towards its antibiotic adsorption. To study the effect of dosage, pH, initial concentration and time on antibiotic adsorption, a batch adsorption experiment was conducted. Adsorption isotherms and kinetics were also studied. The adsorption isotherm experimental data is aligned with Langmuir for AWC (50% almond shell: 25% walnut shell: 25% chitosan) and CAW (50% chitosan: 25% almond shell: 25% walnut shell) beads. Whereas, WAC (50% walnut: 25% almond shell: 25% chitosan) beads follow Freundlich isotherm. The experimental data was fitted by pseudo-second order. In this study, Low initial concentration of beads was promising material for antibiotic adsorption from contaminated water.
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