A batch adsorption experiment was used to assess the sorption capacity, thermodynamic, and kinetic properties of DRB-S. A series of 300 mL Erlenmeyer flasks were filled with 100 mL of AY36 (Metanil Yellow, C18H14N3NaO3S) and DB86 (Solvent Blue 38, C32H14O6N8S2CuNa2) dyes (Fig.1) so...