Adsorptive Removal of Rhodamine B Using Novel Adsorbent-Based Surfactant-Modified Alpha Alumina Nanoparticles

Figure 5

Adsorption isotherms of RhB onto SDS-modified α-Al₂O₃ nanoparticles (M1) at two NaCl concentrations. The points are experimental data while solid lines are fitted by the two-step adsorption model.