Recently, the utilization of deep eutectic solvents (DESs) has brought new insights towards the functionalization and/or synthesis of adsorbent materials for applications in water treatment. This brief review highlights the advances in functionalization of adsorbents using DESs for water treatment such as removal of heavy metals, dyes, micropollutants, and other organic and inorganic contaminants from aqueous systems (Fig. 1). The base materials used for synthesizing and/or functionalizing absorbents using DESs, their physicochemical properties, and their applications on water treatment (target compounds and removal efficiency) are described. The DESs were either used during or after the synthesis of adsorbent materials and most of them showed significant enhancement for the removal of contaminants by imparting desired functionalities and increasing the effective surface area (Fig. 2).

Deep eutectic solvent functionalized adsorbents for water decontamination

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ACS Fall 2022

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