Fig. 3
The effect of contact time on adsorption capacity. The change of adsorption capacity in removal of Pb2+ vs contact time for Fe2+-PPC is depicted in red and for Fe3+-PPC is depicted in blue
Fig. 3 | AMB Express
The effect of contact time on adsorption capacity. The change of adsorption capacity in removal of Pb2+ vs contact time for Fe2+-PPC is depicted in red and for Fe3+-PPC is depicted in blue