Activated carbons were prepared from co-mingled natural organic waste, comprising 25% sunflower husks, 50% petroleum waste and 25% low-grade bituminous coal. The porous carbon materials were obtained either by direct activation with steam at 1,123 K, or through pre-oxidation stages with binary eutectic Na/K carbonates, followed by carbonization at 623 K in an inert atmosphere, and then steam activation at 1,123 K. The activated carbons prepared from the co-mingled natural organic wastes were used as adsorbents to remove copper (II), cobalt (III), nickel (II), iron (II), and manganese (II) from real multi-component solutions. Batch experiments were carried out to study the kinetics of multi-component, competitive adsorption. The mechanisms of heavy-metal adsorption on activated carbon are discussed.
Keywords: waste recovery; activated carbon; polluted water; heavy metals; adsorption
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© 2008 Springer Science+Business Media B.V
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Lyubchik, S., Khodorkovskij, M., Makarova, T., Tikhonova, L., Mota, J.P., Fonseca, I. (2008). Waste Conversion into Activated Carbon for Heavy Metal Removal from Waste Water. In: Mota, J.P., Lyubchik, S. (eds) Recent Advances in Adsorption Processes for Environmental Protection and Security. NATO Science for Peace and Security Series C: Environmental Security. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6805-8_12
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DOI: https://doi.org/10.1007/978-1-4020-6805-8_12
Publisher Name: Springer, Dordrecht
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Online ISBN: 978-1-4020-6805-8
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