Calcium phosphate silicate ceramics for heavy metal immobilization and antibacterial activity in waste water

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...

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Veröffentlicht in:	Journal of materials science 2006-08, Vol.41 (16), p.5227-5230
Hauptverfasser:	BARBA, Flora, CALLEJAS, Pio
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Cadmium Calcium phosphates Calcium silicates Ceramic industries Ceramics Chemical industry and chemicals Column packings Copper Exact sciences and technology Extrusion Heavy metals Hydroxyapatite Immobilization Industrial wastes Industrial wastewaters Lead Materials science Miscellaneous Other industrial wastes. Sewage sludge Pollution Porous materials Silicon dioxide Silver Technical ceramics Urban and domestic wastes Wastes Wastewater Wastewaters Water treatment and pollution Zinc
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Beschreibung
Zusammenfassung:	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.
ISSN:	0022-2461 1573-4803
DOI:	10.1007/s10853-006-0440-x