Phenol is present in different amounts in a number of industrial effluents. Even in small amounts, the substance has a significant potential for toxicity. Deep eutectic solvent-based tea waste (DBTW) was examined in this work as an adsorbent for the elimination of this type of pollutant. Analysis using SEM, FTIR, BET, and TGA showed the properties of the synthesized adsorbent. The pseudo-first-order rate equation correctly reflected the experimental data for phenol. Thermodynamic studies showed that phenol adsorption onto the surface of the DBTW was an endothermic, nonspontaneous process.
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Li et al. (2024) studied this question.
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