Fig. 19
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Other isothermal models, (a) HeIM, (b) RPIM, (c) KCIM, (d) SIM, (e) HiIM.
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Other isothermal models, (a) HeIM, (b) RPIM, (c) KCIM, (d) SIM, (e) HiIM.