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Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode

Katie Davies, Michael Allan, Sanjay Nagarajan Orcid Logo, Rachel Townsend Orcid Logo, Tom Dunlop Orcid Logo, James McGettrick Orcid Logo, Vijay Shankar Asokan, Sengeni Ananthraj Orcid Logo, Trystan Watson Orcid Logo, Ruth Godfrey Orcid Logo, James Durrant Orcid Logo, M. Mercedes Maroto-Valer, Moritz Kuehnel, Sudhagar Pitchaimuthu Orcid Logo

Journal of Environmental Chemical Engineering, Volume: 11, Issue: 3, Start page: 110256

Swansea University Authors: Katie Davies, Michael Allan, Rachel Townsend Orcid Logo, Tom Dunlop Orcid Logo, James McGettrick Orcid Logo, Trystan Watson Orcid Logo, Ruth Godfrey Orcid Logo, James Durrant Orcid Logo, Moritz Kuehnel, Sudhagar Pitchaimuthu Orcid Logo

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DOI (Published version): 10.1016/j.jece.2023.110256

Abstract

Photoelectrocatalysis is one of the most favourable techniques that could be used in this remit as it has the potential to utilise natural sunlight to generate oxidants in situ to mediate effective pollutant degradation. This work, therefore, utilises a mesoporous nanoscale WO3/BiVO4 heterostructure...

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Published in: Journal of Environmental Chemical Engineering
ISSN: 2213-3437
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa63594
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This work, therefore, utilises a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode to effectively degrade ibuprofen in wastewater combined with simultaneous green hydrogen generation at the cathode under simulated sunlight. A near complete degradation (&gt;96%) of ibuprofen (starting concentration of 100 mg/L), with no hazardous intermediates (determined via mass spectrometry analysis), along with simultaneous H2 evolution of 114 &#xB5;mol/cm2 after 145 min was demonstrated in this work. In addition, intermediate product analysis, the role of the type of in situ oxidants on degradation, the mechanistic pathway of degradation, and the material characteristics of mesoporous photoanode were also investigated. 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Also, SP thanks Heriot-Watt University for start-up grant support. SP and MFK acknowledge support from the Welsh Government (S&#xEA;r Cymru III &#x2013; Tackling Covid-19, Project 076 ReCoVir). EPSRC partially supported this work through a DTA studentship to MA (EP/R51312X/1) and a capital investment grant to MK (EP/S017925/1). 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spelling 2023-06-21T15:44:03.1571639 v2 63594 2023-06-06 Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode e68a8bf6a33dcff11558400a27fdcc33 Katie Davies Katie Davies true false b1f40243f0e1ee0ec5aa706601527f6a Michael Allan Michael Allan true false f796a4ed6bd6dd21ede2117babea3db9 0000-0002-8019-6511 Rachel Townsend Rachel Townsend true false 809395460ab1e6b53a906b136d919c41 0000-0002-5851-8713 Tom Dunlop Tom Dunlop true false bdbacc591e2de05180e0fd3cc13fa480 0000-0002-7719-2958 James McGettrick James McGettrick true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false b7e381bae1b3f74a3521be56c9b2d2ae 0000-0002-8830-3625 Ruth Godfrey Ruth Godfrey true false f3dd64bc260e5c07adfa916c27dbd58a 0000-0001-8353-7345 James Durrant James Durrant true false 210dbad181ce095d6f8bf2bd1d616d4e Moritz Kuehnel Moritz Kuehnel true false 2fdbee02f4bfc5a1b174c8bd04afbd2b 0000-0001-9098-8806 Sudhagar Pitchaimuthu Sudhagar Pitchaimuthu true false 2023-06-06 EAAS Photoelectrocatalysis is one of the most favourable techniques that could be used in this remit as it has the potential to utilise natural sunlight to generate oxidants in situ to mediate effective pollutant degradation. This work, therefore, utilises a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode to effectively degrade ibuprofen in wastewater combined with simultaneous green hydrogen generation at the cathode under simulated sunlight. A near complete degradation (>96%) of ibuprofen (starting concentration of 100 mg/L), with no hazardous intermediates (determined via mass spectrometry analysis), along with simultaneous H2 evolution of 114 µmol/cm2 after 145 min was demonstrated in this work. In addition, intermediate product analysis, the role of the type of in situ oxidants on degradation, the mechanistic pathway of degradation, and the material characteristics of mesoporous photoanode were also investigated. First experimental evidence of in situ generated H2O2 contributing to the degradation of ibuprofen is presented. Journal Article Journal of Environmental Chemical Engineering 11 3 110256 Elsevier BV 2213-3437 Pharmaceutical pollutants, Wastewater treatment, Photoelectrocatalysis, WO3, BiVO4, Hydrogen, Solar Energy 1 6 2023 2023-06-01 10.1016/j.jece.2023.110256 http://dx.doi.org/10.1016/j.jece.2023.110256 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University SP acknowledges European Regional Development Grant for providing Ser Cymru-II Rising Star Fellowship through Welsh Government (80761-SU- 102 -West) and supports this work. Also, SP thanks Heriot-Watt University for start-up grant support. SP and MFK acknowledge support from the Welsh Government (Sêr Cymru III – Tackling Covid-19, Project 076 ReCoVir). EPSRC partially supported this work through a DTA studentship to MA (EP/R51312X/1) and a capital investment grant to MK (EP/S017925/1). MFK thanks Swansea University for providing start-up funds. 2023-06-21T15:44:03.1571639 2023-06-06T14:24:45.3978156 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Katie Davies 1 Michael Allan 2 Sanjay Nagarajan 0000-0003-2678-693x 3 Rachel Townsend 0000-0002-8019-6511 4 Tom Dunlop 0000-0002-5851-8713 5 James McGettrick 0000-0002-7719-2958 6 Vijay Shankar Asokan 7 Sengeni Ananthraj 0000-0002-3265-2455 8 Trystan Watson 0000-0002-8015-1436 9 Ruth Godfrey 0000-0002-8830-3625 10 James Durrant 0000-0001-8353-7345 11 M. Mercedes Maroto-Valer 12 Moritz Kuehnel 13 Sudhagar Pitchaimuthu 0000-0001-9098-8806 14 63594__27723__df95d6ec2c0943779ea5669e550cbd01.pdf 63594.pdf 2023-06-06T14:28:00.5159624 Output 8081366 application/pdf Version of Record true © 2023 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/ true eng http://creativecommons.org/licenses/by/4.0/
title Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode
spellingShingle Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode
Katie Davies
Michael Allan
Rachel Townsend
Tom Dunlop
James McGettrick
Trystan Watson
Ruth Godfrey
James Durrant
Moritz Kuehnel
Sudhagar Pitchaimuthu
title_short Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode
title_full Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode
title_fullStr Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode
title_full_unstemmed Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode
title_sort Solar light-driven simultaneous pharmaceutical pollutant degradation and green hydrogen production using a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode
author_id_str_mv e68a8bf6a33dcff11558400a27fdcc33
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809395460ab1e6b53a906b136d919c41
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210dbad181ce095d6f8bf2bd1d616d4e
2fdbee02f4bfc5a1b174c8bd04afbd2b
author_id_fullname_str_mv e68a8bf6a33dcff11558400a27fdcc33_***_Katie Davies
b1f40243f0e1ee0ec5aa706601527f6a_***_Michael Allan
f796a4ed6bd6dd21ede2117babea3db9_***_Rachel Townsend
809395460ab1e6b53a906b136d919c41_***_Tom Dunlop
bdbacc591e2de05180e0fd3cc13fa480_***_James McGettrick
a210327b52472cfe8df9b8108d661457_***_Trystan Watson
b7e381bae1b3f74a3521be56c9b2d2ae_***_Ruth Godfrey
f3dd64bc260e5c07adfa916c27dbd58a_***_James Durrant
210dbad181ce095d6f8bf2bd1d616d4e_***_Moritz Kuehnel
2fdbee02f4bfc5a1b174c8bd04afbd2b_***_Sudhagar Pitchaimuthu
author Katie Davies
Michael Allan
Rachel Townsend
Tom Dunlop
James McGettrick
Trystan Watson
Ruth Godfrey
James Durrant
Moritz Kuehnel
Sudhagar Pitchaimuthu
author2 Katie Davies
Michael Allan
Sanjay Nagarajan
Rachel Townsend
Tom Dunlop
James McGettrick
Vijay Shankar Asokan
Sengeni Ananthraj
Trystan Watson
Ruth Godfrey
James Durrant
M. Mercedes Maroto-Valer
Moritz Kuehnel
Sudhagar Pitchaimuthu
format Journal article
container_title Journal of Environmental Chemical Engineering
container_volume 11
container_issue 3
container_start_page 110256
publishDate 2023
institution Swansea University
issn 2213-3437
doi_str_mv 10.1016/j.jece.2023.110256
publisher Elsevier BV
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 - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
url http://dx.doi.org/10.1016/j.jece.2023.110256
document_store_str 1
active_str 0
description Photoelectrocatalysis is one of the most favourable techniques that could be used in this remit as it has the potential to utilise natural sunlight to generate oxidants in situ to mediate effective pollutant degradation. This work, therefore, utilises a mesoporous nanoscale WO3/BiVO4 heterostructure photoanode to effectively degrade ibuprofen in wastewater combined with simultaneous green hydrogen generation at the cathode under simulated sunlight. A near complete degradation (>96%) of ibuprofen (starting concentration of 100 mg/L), with no hazardous intermediates (determined via mass spectrometry analysis), along with simultaneous H2 evolution of 114 µmol/cm2 after 145 min was demonstrated in this work. In addition, intermediate product analysis, the role of the type of in situ oxidants on degradation, the mechanistic pathway of degradation, and the material characteristics of mesoporous photoanode were also investigated. First experimental evidence of in situ generated H2O2 contributing to the degradation of ibuprofen is presented.
published_date 2023-06-01T14:25:23Z
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score 11.564073

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