Fig. 22
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

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

The proposed adsorption mechanism of Fe@BC for Pb(II), Cu(II), and Ni(II).