Ceramic foams are synthesised by three technical replicates. The foams are characterised by SEM techniques, FTIR, nitrogen adsorption isotherms at 77 K and the Instron test. Subsequently, foams are used for the adsorption of Ni2+ and Cr3+ from aqueous solution. The results show that the foam EC-1 has the highest adsorption capacity for both ions at the working pH. The adsorption of the studied ions was adjusted by the Freundlich model.
Foams ceramics, Adsorption, Isotherms, Freudlich model, Ions metallic