Fig. 18
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Adsorption isothermal model, (a) LIM, (b) FIM and (c) LFIM, respectively.
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Adsorption isothermal model, (a) LIM, (b) FIM and (c) LFIM, respectively.