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Tailored titanium dioxide photocatalysts for the degradation of organic dyes in wastewater treatment: A review

Paper ID Volume ID Publish Year Pages File Format Full-Text
42516 45929 2009 16 PDF Available
Title
Tailored titanium dioxide photocatalysts for the degradation of organic dyes in wastewater treatment: A review
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.

Graphical abstractHeterogeneous photocatalysis involving titanium dioxide (TiO2) appears to be the most promising technology for organic dyes degradation. This paper presents a critical review of novel achievements in the modification of TiO2 aimed at: enhanced TiO2 photocatalytic efficiency, complete mineralization of organic dyes, efficient utilization of visible/solar light, stability and reproducibility of modified titania, recycle and reuse in real wastewater treatment.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
AAS, atomic absorption spectroscopy; AB1, acid black 1; AFM, atomic force microscope; AO7, acid orange 7; AOPs, advanced oxidation processes; AR1, acid red 1; ARB, acid red B; BG, bromocresol green; BRL, everdirect supra blue BRL; COD, chemical oxygen dem
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Tailored titanium dioxide photocatalysts for the degradation of organic dyes in wastewater treatment: A review
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 359, Issues 1–2, 15 May 2009, Pages 25–40
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us