Fig. 10
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Pore size distribution of BC (a), and Fe@BC (b), respectively.
From: Adsorption of Fe-modified peanut shell biochar for Pb(II) in mixed Pb(II), Cu(II), Ni(II) solutions

Pore size distribution of BC (a), and Fe@BC (b), respectively.