Using Pomegranate Peel and Date Pit Activated Carbon for the Removal of Cadmium and Lead Ions from Aqueous Solution

Figure 5

Effect of pH on the adsorption efficiencies of Pb(II) and Cd(II) on the surfaces of DPAC and PPAC (metal concentration = 100 mg/L, contact time = 90 min, dose of DPAC = 1 g/L, and dose of PPAC = 0.5 g/L).