Figure 8: Adsorption-desorption recycles of MB (m = 6 mg, C0 = 30 mg L−1, V = 25 mL, pH = 6, contact time was 150 min, temperature was 298 K), MV (m = 10 mg, C0 = 30 mg L−1, V = 25 mL, pH = 6, contact time was 150 min, temperature was 298 K) and Pb(II) (m = 10 mg, C0 = 30 mg L−1, V = 10 mL, pH = 6, contact time was 120 min, temperature was 298 K).

Error bar = SD (n = 2).