Figure 3

Effect of the ion strength on the removal rate. Insert: effect of pH on the removal rate (pH = 3.0, m/V = 0. 5 g L−1, C0 = 10 mg L−1 and contact time = 30 min).

Effect of the ion strength on the removal rate. Insert: effect of pH on the removal rate (pH = 3.0, m/V = 0. 5 g L−1, C0 = 10 mg L−1 and contact time = 30 min).