Fig. 8From: Preparation and characterisation of activated carbon from Vitisvinifera leaf litter and its adsorption performance for aqueous phenanthreneIntra particle diffusion kinetics for phenanthrene removal using activated carbons. ZAac: activated with ZnCl2 at 5:2 biomass to ZnCl2 ratio, ZBac: activated with ZnCl2 at 5:1 biomass to ZnCl2 ratio, PAac: activated with H3PO4 at 5:2 biomass to H3PO4 ratioBack to article page