Research Article

Studies on the Removal of Cadmium Toxic Metal Ions by Natural Clays from Aqueous Solution by Adsorption Process

Figure 5

Effect of pH on Cd (II) removal by QC-MC and QC-MT (C0 = 10 mg/L, V = 100 mL, T = 25°C, m = 1.5 g, and contact time = 45 min for QC-MC and 30 min for QC-MT).