Radioactive cesium-137 removal from contaminated wastewater using bio-based activated carbon from cassava rhizomes enhanced with copper hexacyanoferrate

Key Points

• The research aims to evaluate the effectiveness of a bio-based activated carbon composite in removing cesium-137 from contaminated wastewater.
• Synthesis of bio-based activated carbon from cassava rhizomes
• Enhancement with copper hexacyanoferrate
• Assessment of adsorption efficiency through multiple cycles
• The composite achieved a 99.15% efficiency in cesium-137 adsorption.
• The material demonstrated potential for reusability across five cycles.
• Various mechanisms were identified for the capture of cesium-137.