Effect of phosphorous on the properties of titania produced from Ti-salt flocculated sludge in water treatment

Publication Type:
Journal Article
Citation:
Journal of Nanoscience and Nanotechnology, 2011, 11 (8), pp. 7456 - 7458
Issue Date:
2011-08-01
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In this study, the removal of phosphorous (P) using Ti-salt flocculation of biologically treated sewage effluent (BTSE) was investigated for a year. The pH, alkalinity and concentration of P, before and after Ti-salt flocculation, were measured and compared. The sludge of Ti-salt flocculation was incinerated at 600 °C to produce titania nanoparticles which found to be doped with P. Titania nanoparti-cles were characterised and their photocatalytic activity under UV light irradiation were also tested. Results indicated that the removal of P, which exceeded 97% in average, was not affected by the pH and the alkalinity of BTSE. The concentration of P in titania had no effect on the characteristics of titania nanoparticles in different seasons. Titania nanoparticles exhibited superior properties in terms of BET surface area and photocatalytic activity. © 2011 American Scientific Publishers.
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