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Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate

R.M. Woods, J.R. Searle, A. Pursglove, D.A. Worsley, Justin Searle Orcid Logo, David Worsley

Journal of Environmental Chemical Engineering, Start page: 103336

Swansea University Authors: Justin Searle Orcid Logo, David Worsley

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DOI (Published version): 10.1016/j.jece.2019.103336

Abstract

A system designed to continuously monitor the gas phase for the UV irradiation of flat panels of organic coatings has been modified to compare the photocatalytic degradation of organic pollutants using TiO2 functional coatings. TiO2 was formulated into pastes and was coated onto various stainless st...

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Published in: Journal of Environmental Chemical Engineering
ISSN: 2213-3437
Published: 2019
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa51288
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last_indexed 2019-08-27T15:30:02Z
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spelling 2019-08-27T12:26:19.9965721 v2 51288 2019-08-01 Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate 0e3f2c3812f181eaed11c45554d4cdd0 0000-0003-1101-075X Justin Searle Justin Searle true false c426b1c1b0123d7057c1b969083cea69 David Worsley David Worsley true false 2019-08-01 EAAS A system designed to continuously monitor the gas phase for the UV irradiation of flat panels of organic coatings has been modified to compare the photocatalytic degradation of organic pollutants using TiO2 functional coatings. TiO2 was formulated into pastes and was coated onto various stainless steel and glass fibre meshes. The photoactivity was determined by monitoring the photodegradation of acetone and following the rate of CO2 evolution using FTIR spectroscopy. The kinetics were compared to the photoinduced degradation of indigo carmine, followed by UV-Vis spectroscopy to determine whether the CO2 evolution method is a viable, rapid alternative to photodegradation monitoring. A correlation was established between the two methods by determining the rate constants of the decolourisation of indigo carmine and CO2 evolution, demonstrating that such a method can be used as a rapid assessment of the photoactivity of photocatalytic coatings. Journal Article Journal of Environmental Chemical Engineering 103336 2213-3437 Photocatalysis, Titanium dioxide, FTIR, Decolourisation 31 12 2019 2019-12-31 10.1016/j.jece.2019.103336 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2019-08-27T12:26:19.9965721 2019-08-01T09:36:32.9714495 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering R.M. Woods 1 J.R. Searle 2 A. Pursglove 3 D.A. Worsley 4 Justin Searle 0000-0003-1101-075X 5 David Worsley 6 0051288-01082019093834.pdf woods2019.pdf 2019-08-01T09:38:34.4870000 Output 2251762 application/pdf Accepted Manuscript true 2020-07-31T00:00:00.0000000 © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ true eng
title Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate
spellingShingle Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate
Justin Searle
David Worsley
title_short Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate
title_full Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate
title_fullStr Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate
title_full_unstemmed Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate
title_sort Comparison of the photoactivity of TiO2 coatings using a flat panel reactor and FTIR to monitor the CO2 evolution rate
author_id_str_mv 0e3f2c3812f181eaed11c45554d4cdd0
c426b1c1b0123d7057c1b969083cea69
author_id_fullname_str_mv 0e3f2c3812f181eaed11c45554d4cdd0_***_Justin Searle
c426b1c1b0123d7057c1b969083cea69_***_David Worsley
author Justin Searle
David Worsley
author2 R.M. Woods
J.R. Searle
A. Pursglove
D.A. Worsley
Justin Searle
David Worsley
format Journal article
container_title Journal of Environmental Chemical Engineering
container_start_page 103336
publishDate 2019
institution Swansea University
issn 2213-3437
doi_str_mv 10.1016/j.jece.2019.103336
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 1
active_str 0
description A system designed to continuously monitor the gas phase for the UV irradiation of flat panels of organic coatings has been modified to compare the photocatalytic degradation of organic pollutants using TiO2 functional coatings. TiO2 was formulated into pastes and was coated onto various stainless steel and glass fibre meshes. The photoactivity was determined by monitoring the photodegradation of acetone and following the rate of CO2 evolution using FTIR spectroscopy. The kinetics were compared to the photoinduced degradation of indigo carmine, followed by UV-Vis spectroscopy to determine whether the CO2 evolution method is a viable, rapid alternative to photodegradation monitoring. A correlation was established between the two methods by determining the rate constants of the decolourisation of indigo carmine and CO2 evolution, demonstrating that such a method can be used as a rapid assessment of the photoactivity of photocatalytic coatings.
published_date 2019-12-31T07:32:19Z
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score 11.056659

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