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HERO ID
193407
Reference Type
Journal Article
Subtype
Review
Title
Tailored titanium dioxide photocatalysts for the degradation of organic dyes in wastewater treatment: A review
Author(s)
Han, F; Kambala, VSR; Srinivasan, M; Rajarathnam, D; Naidu, R
Year
2009
Is Peer Reviewed?
1
Journal
Applied Catalysis A: General
ISSN:
0926-860X
EISSN:
1873-3875
Volume
359
Issue
1-2
Page Numbers
25-40
DOI
10.1016/j.apcata.2009.02.043
URL
http://www.sciencedirect.com/science/article/B6TF5-4VTCM60-2/2/d667b7a884153da9fd5cc5b7b474f67f
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Abstract
Organic dyes are one of the largest groups of pollutants released into wastewaters from textile and other industrial processes. Because of potential toxicity of the dyes and their visibility in surface waters, removal and degradation of organic dyes have been a matter of considerable interest. A wide range of methods have been developed, amongst which the heterogeneous photocatalysis involving titanium dioxide (TiO2) appears to be the most promising technology. This paper presents a critical review of novel achievements in the modification of TiO2 photocatalytic systems aimed at: enhanced TiO2 photocatalytic efficiency; complete mineralization of organic dyes; efficient utilization of visible and/or solar light; stability and reproducibility of the modified TiO2; recycle and reuse in real wastewater treatment.
Keywords
Advanced oxidation process; Titanium dioxide; Modified photocatalyst; Organic dye
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