Fig. 15
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions
Cyclic times of Fe@BC for Pb(II) and Cu(II) sorption (conditions: V = 80 mL, pH = 4.0, C0 = 100 mg/L, t = 24 h, T = 25 °C).
