Abstract
The applicability of Polyetheretherketone/Polyvinylalcohol nanocomposite modified with zinc oxide nanoparticles synthesis for the removal of arsenic (III) ion from wastewater. Identical techniques, including BET, FT-IR, pHzero, and SEM, have to characterize this unknown material. The investigation shows the applicability of adsorbent PEEK/PVA/ZnONPs, as an available, suitable, and low-cost adsorbent for properly removing of the arsenic (III) ion from wastewater. The impacts of variables, including arsenic (III) ion concentration, adsorbent, pH, and time (30 mgL−1, 50.0 mg, 7.0, and 60.0 min). The adsorption equilibrium and kinetic data were fitted with the Freundlich isotherm model, and pseudo-second-order kinetics (R2: 0.997), with the maximum adsorption capacity of the arsenic (III) ion for adsorbent PEEK/PVA/ZnONPs (35.5 mgg−1), respectively. Thermodynamic parameters (ΔG°: −121.06 kJ/mol, ΔH°: −42.17 kJ/mol, ΔS°: −138.38 kJ/mol K−1), also indicated arsenic (III) ion adsorption as feasible, spontaneous and exothermic. To evaluate the practical applicability of the prepared adsorbent for the removal of As (III) ion from wastewater (containing humic acid, and other ions), it was subjected to sorption experiments. The results indicated that novel sorbent showed great potential as an affordable and efficient adsorbent for treating wastewater.
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