Abstract
This study presents, for the first time in the literature, a comprehensive investigation detailing the methodology and characterization of a novel material synthesized via the impregnation of graphite oxide with LTA zeolite for the purpose of Ag (I) adsorption. The new adsorbent was successfully characterized and compared with its precursor materials for Ag (I) adsorption, demonstrating superior performance. Furthermore, the Ag (I)-loaded adsorbent was explored for antimicrobial activity. Additionally, the material was evaluated for its adsorption capacity considering the pH effect. The adsorption followed the Pseudo-second-order kinetic model and the Freundlich isothermal model with an endothermic nature. The new material presented a remarkable Ag (I) uptake, reaching 142.06 mg g−1 at 55 °C. The material after adsorption also showed inhibition zones in the growth of Staphylococcus aureus and Escherichia coli of 8 mm and 9 mm, respectively. These results highlight the considerable potential of graphite oxide impregnated with LTA zeolite as an effective adsorbent for Ag (I) removal from aqueous streams. Additionally, the Ag (I)-loaded adsorbent demonstrates a notable capability for antimicrobial activity.
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