Byproduct-based zeolite type A as absorbent material for decontamination of simulated radioactive wastewater
DOI:
https://doi.org/10.15392/2319-0612.2024.2650Keywords:
Radioactive Wastewater, Cesium removal, Zeolite, Sugarcane bagasse ashAbstract
The secure disposal of radioactive wastewater, a waste from nuclear operations, presents a significant challenge due to the presence of hazardous radionuclides like cesium. The efficient removal of cesium, a major fission product with a long half-life and potent radiation, is crucial for environmental and human health protection. Zeolites, with their high ion exchange capacity and porous structure, offer a promising solution for cesium removal from wastewater. The potential to synthesize zeolites from abundant and cost-effective agro-industrial residues further enhances their appeal for sustainable wastewater treatment. The present study investigates the adsorption of cesium from simulated radioactive wastewater using zeolite type A synthesized from sugarcane bagasse ash, a readily available Brazilian byproduct. The synthesized zeolite was characterized by X-ray fluorescence spectroscopy, X-ray diffraction, and thermal analysis techniques. The results confirmed the successful synthesis of high-purity zeolite A with excellent adsorption capacity for cesium. The structural integrity and thermal stability of the zeolite were maintained even after cesium adsorption, making it suitable for immobilization processes. The findings highlight the potential of zeolite synthesized from sugarcane bagasse ash as an effective and sustainable material for the treatment and removal of cesium from radioactive wastewater, contributing to environmental remediation efforts in the nuclear industry.
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Copyright (c) 2024 M.S. Araujo, D.L. Costa-Silva, S.R. Mello Castanho, D.A. Fungaro
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