Highly efficient Cr( vi ) removal from water using deep eutectic solvents: a sustainable and comprehensive approach

Key Points

• The aim is to find an effective way to remove hexavalent chromium from water to tackle pollution.
• Utilized a hydrophobic deep eutectic solvent composed of acetic acid and tetraoctylammonium bromide.
• Assessed the efficiency of the solvent in extracting hexavalent chromium.
• The deep eutectic solvent showed high efficiency in removing hexavalent chromium from water.
• The approach presents a sustainable solution to address chromium pollution.