Photooxidation chlorinated hyhdrocarbon using TiO2 thin film

The gas phase photooxidation of chloroform, dichlo romethane and carbon tetrachloride were investigated using doped and undoped TiO 2 thin film irradiated by UV light with maximum wavelength at 354 nm. Thin films TiO 2 coated on pyrex glass cylinders were prepared using the sol-gel dip...

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Main Authors: Ng, Sook Chuin, Othman, Mohd. Yusuf, Wan Abu Bakar, Wan Azelee, Mohd. Saiyudi, Noor Khaida Wati
Format: Article
Language:en
Published: Malaysian Society of Analytical Sciences 2005
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Online Access:http://eprints.utm.my/439/1/NgSookChuin2005_PhotooxidationChlorinatedHhyhdrocarbonUsingTiO2.pdf
http://eprints.utm.my/439/
http://www.ukm.my/mjas/
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author Ng, Sook Chuin
Othman, Mohd. Yusuf
Wan Abu Bakar, Wan Azelee
Mohd. Saiyudi, Noor Khaida Wati
author_facet Ng, Sook Chuin
Othman, Mohd. Yusuf
Wan Abu Bakar, Wan Azelee
Mohd. Saiyudi, Noor Khaida Wati
author_sort Ng, Sook Chuin
building UTM Library
collection Institutional Repository
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
continent Asia
country Malaysia
description The gas phase photooxidation of chloroform, dichlo romethane and carbon tetrachloride were investigated using doped and undoped TiO 2 thin film irradiated by UV light with maximum wavelength at 354 nm. Thin films TiO 2 coated on pyrex glass cylinders were prepared using the sol-gel dip coating technique. In this research, the dopants used were Mn 2+ , Fe 2+ and Fe 3+ . The M n 2+ and Fe 2+ -doped TiO 2 were prepared with 1:0.01 , 1 :0.00 5, 1:0 .001, 1:0 .0005 and 1 :0.000 3 atomic ratios. Meanwhile, Fe 3+ -doped TiO 2 were prepared with 1 :0.001 , 1:0.0005 and 1 :0.0003 atomic ratios. In order to determine the optimum do pant ratio, photo oxidation of dichloromethane, chloroform and carbon tetrachloride were conducted using all catalyst samples. Mn 2+ , F e 3+ and Fe 2+ doped catalysts have an optimum ratio of 1:0.0005 . The addition of Fe 2+ and Fe 3+ into TiO 2 increased the photooxidation of chloroform, carbon tetrachloride and dichloromethane. Mn 2+ is detrimental to the photooxidation of carbon tetrachloride, dichloro methane and carbon tetrachloride. Therefore, although dopants affect the photoactivity of TiO 2, the effects due to the type and concentration of dopants and VOCs used can not be ignored.
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spelling my.utm.eprints-4392017-08-29T03:29:47Z http://eprints.utm.my/439/ Photooxidation chlorinated hyhdrocarbon using TiO2 thin film Ng, Sook Chuin Othman, Mohd. Yusuf Wan Abu Bakar, Wan Azelee Mohd. Saiyudi, Noor Khaida Wati QD Chemistry The gas phase photooxidation of chloroform, dichlo romethane and carbon tetrachloride were investigated using doped and undoped TiO 2 thin film irradiated by UV light with maximum wavelength at 354 nm. Thin films TiO 2 coated on pyrex glass cylinders were prepared using the sol-gel dip coating technique. In this research, the dopants used were Mn 2+ , Fe 2+ and Fe 3+ . The M n 2+ and Fe 2+ -doped TiO 2 were prepared with 1:0.01 , 1 :0.00 5, 1:0 .001, 1:0 .0005 and 1 :0.000 3 atomic ratios. Meanwhile, Fe 3+ -doped TiO 2 were prepared with 1 :0.001 , 1:0.0005 and 1 :0.0003 atomic ratios. In order to determine the optimum do pant ratio, photo oxidation of dichloromethane, chloroform and carbon tetrachloride were conducted using all catalyst samples. Mn 2+ , F e 3+ and Fe 2+ doped catalysts have an optimum ratio of 1:0.0005 . The addition of Fe 2+ and Fe 3+ into TiO 2 increased the photooxidation of chloroform, carbon tetrachloride and dichloromethane. Mn 2+ is detrimental to the photooxidation of carbon tetrachloride, dichloro methane and carbon tetrachloride. Therefore, although dopants affect the photoactivity of TiO 2, the effects due to the type and concentration of dopants and VOCs used can not be ignored. Malaysian Society of Analytical Sciences 2005 Article PeerReviewed application/pdf en http://eprints.utm.my/439/1/NgSookChuin2005_PhotooxidationChlorinatedHhyhdrocarbonUsingTiO2.pdf Ng, Sook Chuin and Othman, Mohd. Yusuf and Wan Abu Bakar, Wan Azelee and Mohd. Saiyudi, Noor Khaida Wati (2005) Photooxidation chlorinated hyhdrocarbon using TiO2 thin film. The Malaysian Journal of Analytical Sciences, 9 (3). pp. 480-486. ISSN 1394-2506 http://www.ukm.my/mjas/
spellingShingle QD Chemistry
Ng, Sook Chuin
Othman, Mohd. Yusuf
Wan Abu Bakar, Wan Azelee
Mohd. Saiyudi, Noor Khaida Wati
Photooxidation chlorinated hyhdrocarbon using TiO2 thin film
title Photooxidation chlorinated hyhdrocarbon using TiO2 thin film
title_full Photooxidation chlorinated hyhdrocarbon using TiO2 thin film
title_fullStr Photooxidation chlorinated hyhdrocarbon using TiO2 thin film
title_full_unstemmed Photooxidation chlorinated hyhdrocarbon using TiO2 thin film
title_short Photooxidation chlorinated hyhdrocarbon using TiO2 thin film
title_sort photooxidation chlorinated hyhdrocarbon using tio2 thin film
topic QD Chemistry
url http://eprints.utm.my/439/1/NgSookChuin2005_PhotooxidationChlorinatedHhyhdrocarbonUsingTiO2.pdf
http://eprints.utm.my/439/
http://www.ukm.my/mjas/
url_provider http://eprints.utm.my/