Equilibrium, Kinetic, and Thermodynamic Studies on the Adsorption of Cadmium from Aqueous Solution by Modified Biomass Ash

Figure 2

Effect of pH on the adsorption of Cd²⁺ on biomass ash and modified biomass ash (initial concentrations of Cd²⁺, 50 mg/L; biomass ash concentration, 4 g/L; T = 30°C).