In this study, Moroccan crude clay of Safi, which was characterized by X-ray diffraction, is used as adsorbent
for the investigation of the adsorption kinetics, isotherms and thermodynamic parameters of the Basic Red 46 (BR46) in aqueous solutions at various dye concentrations, adsorbent masses and pH values.
The results showed that the adsorption capacity of the dye increased by initial dye concentration and pH values.