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Adsorption of lead on activated carbons from olive stones

José Rivera-Utrilla, M.A. Ferro-Garcı́a, María Dolores Mingorance, Isidora Bautista-Toledo

Abstract

Abstract Studies on the adsorption of lead on activated carbons from aqueous solutions are described. Olive stones have been used as raw material to prepare the activated carbon samples. The porous texture and the chemical nature of the surface of the carbon samples were studied. The adsorption yield as a function of pH, salinity and presence of different cations has been investigated. The results obtained by using these activated carbons have been compared with those corresponding to a commercial activated carbon. All samples show a high adsorption capacity against lead ions.

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Key concepts: Adsorption, Activated carbon, Aqueous solution, Chemistry, Carbon fibers, Raw material, Porosity, Inorganic chemistry