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Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems

Even though heterogeneous photocatalysis appeared in many forms, photodegradation of organic pollutants has recently been the most widely investigated. By far, titania has played a much larger role in this scenario compared to other semiconductor photocatalysts due to its cost effectiveness, inert...

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Main Authors: Gaya, Umar Ibrahim, Abdullah, Abdul Halim
Format: Article
Language:English
English
Published: Elsevier 2008
Online Access:http://psasir.upm.edu.my/id/eprint/6186/1/Heterogeneous%20photocatalytic%20degradation%20of%20organic%20contaminants%20over%20titanium%20dioxide.pdf
http://psasir.upm.edu.my/id/eprint/6186/
http://dx.doi.org/10.1016/j.jphotochemrev.2007.12.003
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spelling my.upm.eprints.61862015-11-30T07:33:49Z http://psasir.upm.edu.my/id/eprint/6186/ Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems Gaya, Umar Ibrahim Abdullah, Abdul Halim Even though heterogeneous photocatalysis appeared in many forms, photodegradation of organic pollutants has recently been the most widely investigated. By far, titania has played a much larger role in this scenario compared to other semiconductor photocatalysts due to its cost effectiveness, inert nature and photostability. Extensive literature analysis has shown many possibilities of improving the efficiency of photodecomposition over titania by combining the photoprocess with either physical or chemical operations. The resulting combined processes revealed a flexible line of action for wastewater treatment technologies. The choice of treatment method usually depends upon the composition of the wastewater. However, a lot more is needed from engineering design and modelling for successful application of the laboratory scale techniques to large-scale operation. The present review paper seeks to offer an overview of the dramatic trend in the use of the TiO2 photocatalyst for remediation and decontamination of wastewater, report the recent work done, important achievements and problems. Elsevier 2008 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/6186/1/Heterogeneous%20photocatalytic%20degradation%20of%20organic%20contaminants%20over%20titanium%20dioxide.pdf Gaya, Umar Ibrahim and Abdullah, Abdul Halim (2008) Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems. Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 9 (1). pp. 1-12. ISSN 1389-5567 http://dx.doi.org/10.1016/j.jphotochemrev.2007.12.003 10.1016/j.jphotochemrev.2007.12.003 English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
description Even though heterogeneous photocatalysis appeared in many forms, photodegradation of organic pollutants has recently been the most widely investigated. By far, titania has played a much larger role in this scenario compared to other semiconductor photocatalysts due to its cost effectiveness, inert nature and photostability. Extensive literature analysis has shown many possibilities of improving the efficiency of photodecomposition over titania by combining the photoprocess with either physical or chemical operations. The resulting combined processes revealed a flexible line of action for wastewater treatment technologies. The choice of treatment method usually depends upon the composition of the wastewater. However, a lot more is needed from engineering design and modelling for successful application of the laboratory scale techniques to large-scale operation. The present review paper seeks to offer an overview of the dramatic trend in the use of the TiO2 photocatalyst for remediation and decontamination of wastewater, report the recent work done, important achievements and problems.
format Article
author Gaya, Umar Ibrahim
Abdullah, Abdul Halim
spellingShingle Gaya, Umar Ibrahim
Abdullah, Abdul Halim
Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems
author_facet Gaya, Umar Ibrahim
Abdullah, Abdul Halim
author_sort Gaya, Umar Ibrahim
title Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems
title_short Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems
title_full Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems
title_fullStr Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems
title_full_unstemmed Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems
title_sort heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: a review of fundamentals, progress and problems
publisher Elsevier
publishDate 2008
url http://psasir.upm.edu.my/id/eprint/6186/1/Heterogeneous%20photocatalytic%20degradation%20of%20organic%20contaminants%20over%20titanium%20dioxide.pdf
http://psasir.upm.edu.my/id/eprint/6186/
http://dx.doi.org/10.1016/j.jphotochemrev.2007.12.003
_version_ 1643823413308948480
score 13.211869

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