Abstract
In the present work we have prepared a hydroxyapatite (HA)–silica porous ceramic material for the immobilization of heavy metals (Pb, Cd, Zn). This material, shaped as Raschig rings, is obtained by extrusion starting from urban and industrial wastes. Additionally, it has been proved that when Ag or Cu is added over the rings surfaces, these ceramics also have a bactericidal activity.
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Acknowledgments
This work has been supported by the Spanish Ministry of Science and Technology under projects AMB99-1187 and DPI2000-0153-P4-03.
We express our gratitude to Prof. Dr. Cesáreo Sainz-Jimenez (Instituto de Recursos naturales, CSIC, Sevilla, Spain) for his assistance in the microbiological tests.
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Barba, F., Callejas, P. Calcium phosphate silicate ceramics for heavy metal immobilization and antibacterial activity in waste water. J Mater Sci 41, 5227–5230 (2006). https://doi.org/10.1007/s10853-006-0440-x
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DOI: https://doi.org/10.1007/s10853-006-0440-x