Research Article

Effective Remediation of Lead Ions from Aqueous Solution by Chemically Carbonized Rubber Wood Sawdust: Equilibrium, Kinetics, and Thermodynamic Study

Figure 15

Thermodynamic plot for adsorption of lead ions onto CCRWSD (pH = 5.6, dose = 0.5 g/L, contact time = 180 min, and concentration = 20 mg/L).