Fig. 20
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Thermodynamic model of Fe@BC and BC for Pb(II) and Cu(II).
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Thermodynamic model of Fe@BC and BC for Pb(II) and Cu(II).