Lignin-Based Superadsorbent for Radioactive Cesium Removal
발표자
()
초록
내용
The growth of nuclear power has raised concerns about the generation of radionuclide-containing wastewater. Highly soluble cesium-137, with its long half-life and radioactive toxicity, poses significant threats to the environment and human health. Efficiently removing radiocesium is vital for ensuring the sustainable development of nuclear energy. Adsorption has emerged as a promising method for removing radioactive cesium, and Prussian blue (PB) has shown potential as effective adsorbents. However, the agglomeration of PB in the solution hinders their practical application, necessitating the use of materials to immobilize them. In this study, lignin, lignocellulosic biomass, was employed as the immobilizing agent to manufacture lignin-based cesium adsorbents with PB. The successful introduction of PB onto the lignin surface was assessed through XRD, FTIR, and XPS analysis. Furthermore, the manufactured lignin-based adsorbent demonstrated excellent cesium removal efficiency of over 80 mg/g.