Efficient adsorption of Cr(VI) using magnetic κ-carrageenan nanoparticles and regeneration with deep eutectic solvents

Key Points

• Adsorption efficiency for Cr(VI) reaches notable levels with magnetic κ-carrageenan nanoparticles, highlighting a promising method.
• The removal rate of chromium ions exceeds 90%, demonstrating the effectiveness of this innovative approach.
• Analysis combines the use of magnetic nanoparticles and deep eutectic solvents for effective regeneration, enhancing sustainability.
• Supports potential wide-scale application of this method in environmental cleanup for heavy metal contamination.