Ceria and its related materials for VOC catalytic combustion: A review

Based on unique oxygen storage capacity (OSC), ceria catalysts are widely investigated for remediation of volatile organic compounds (VOCs) over the recent decade. It is generally accepted that VOC oxidation on ceria is through Mars-van Krevelen mechanism, where lattice oxygen (O) reacts with adsorb...

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Autores: Wang, Qingyue, Yeung, King Lun, Bañares, Miguel A.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2020
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/233327
Acceso en línea:http://hdl.handle.net/10261/233327
Access Level:acceso abierto
Palabra clave:Ceria catalyst
Oxygen storage capacity
Oxygen vacancy
Noble metals
VOC remediation
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spelling Ceria and its related materials for VOC catalytic combustion: A reviewWang, QingyueYeung, King LunBañares, Miguel A.Ceria catalystOxygen storage capacityOxygen vacancyNoble metalsVOC remediationBased on unique oxygen storage capacity (OSC), ceria catalysts are widely investigated for remediation of volatile organic compounds (VOCs) over the recent decade. It is generally accepted that VOC oxidation on ceria is through Mars-van Krevelen mechanism, where lattice oxygen (O) reacts with adsorbed VOC molecule, followed by re-oxidation of reduced ceria by replenishing O from gaseous O. Oxygen vacancy and oxygen mobility are the key factors involved that influence the OSC and consequently modify the catalytic performance. Many strategies have been explored in the literature to optimize the materials. For the formation energy of oxygen vacancies varies with crystal orientation, ceria with specific morphologies (i.e., nanorods with (110) and (100)) perform better than the typical ceria catalysts. Beyond that, transition metal cations (e.g., V, Zr, Cr, Mn, and Cu) can dope or aliovalent substitute into ceria lattice, resulting in more defects and tuning the reactivity. Precious metal nanoparticles (e.g., Au, Pt, Pd, Ru) are known to activate the lattice oxygen at the interface of noble metal and ceria, facilitating the transformation of surface oxygen species and decreasing the light-off temperature. These strategies are also applicable to keep ceria from deactivation when facing chlorinated VOCs (CVOCs) and volatile sulfur compounds (VSCs).The authors are grateful for the financial support from the Spanish Ministry [CTM2017-82335-R]; the National Natural Science Foundation of China/Research Grant Council Joint Research Scheme [N-HKUST626/13] and Research Grants Council/General Research Fund [16307014]; EURASIACAT and Guangzhou Collaborative Innovation Key Program [201704030074].Elsevier BVMinisterio de Ciencia, Innovación y Universidades (España)National Natural Science Foundation of ChinaResearch Grants Council (Hong Kong)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2021202120202021info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_dcae04bcPostprintinfo:eu-repo/semantics/acceptedVersionhttp://hdl.handle.net/10261/233327reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/CTM2017-82335-Rhttp://dx.doi.org/10.1016/j.cattod.2019.05.016Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2333272026-05-22T06:33:51Z
dc.title.none.fl_str_mv Ceria and its related materials for VOC catalytic combustion: A review
title Ceria and its related materials for VOC catalytic combustion: A review
spellingShingle Ceria and its related materials for VOC catalytic combustion: A review
Wang, Qingyue
Ceria catalyst
Oxygen storage capacity
Oxygen vacancy
Noble metals
VOC remediation
title_short Ceria and its related materials for VOC catalytic combustion: A review
title_full Ceria and its related materials for VOC catalytic combustion: A review
title_fullStr Ceria and its related materials for VOC catalytic combustion: A review
title_full_unstemmed Ceria and its related materials for VOC catalytic combustion: A review
title_sort Ceria and its related materials for VOC catalytic combustion: A review
dc.creator.none.fl_str_mv Wang, Qingyue
Yeung, King Lun
Bañares, Miguel A.
author Wang, Qingyue
author_facet Wang, Qingyue
Yeung, King Lun
Bañares, Miguel A.
author_role author
author2 Yeung, King Lun
Bañares, Miguel A.
author2_role author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
National Natural Science Foundation of China
Research Grants Council (Hong Kong)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Ceria catalyst
Oxygen storage capacity
Oxygen vacancy
Noble metals
VOC remediation
topic Ceria catalyst
Oxygen storage capacity
Oxygen vacancy
Noble metals
VOC remediation
description Based on unique oxygen storage capacity (OSC), ceria catalysts are widely investigated for remediation of volatile organic compounds (VOCs) over the recent decade. It is generally accepted that VOC oxidation on ceria is through Mars-van Krevelen mechanism, where lattice oxygen (O) reacts with adsorbed VOC molecule, followed by re-oxidation of reduced ceria by replenishing O from gaseous O. Oxygen vacancy and oxygen mobility are the key factors involved that influence the OSC and consequently modify the catalytic performance. Many strategies have been explored in the literature to optimize the materials. For the formation energy of oxygen vacancies varies with crystal orientation, ceria with specific morphologies (i.e., nanorods with (110) and (100)) perform better than the typical ceria catalysts. Beyond that, transition metal cations (e.g., V, Zr, Cr, Mn, and Cu) can dope or aliovalent substitute into ceria lattice, resulting in more defects and tuning the reactivity. Precious metal nanoparticles (e.g., Au, Pt, Pd, Ru) are known to activate the lattice oxygen at the interface of noble metal and ceria, facilitating the transformation of surface oxygen species and decreasing the light-off temperature. These strategies are also applicable to keep ceria from deactivation when facing chlorinated VOCs (CVOCs) and volatile sulfur compounds (VSCs).
publishDate 2020
dc.date.none.fl_str_mv 2020
2021
2021
2021
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http://purl.org/coar/resource_type/c_dcae04bc
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dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/233327
url http://hdl.handle.net/10261/233327
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/CTM2017-82335-R
http://dx.doi.org/10.1016/j.cattod.2019.05.016
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier BV
publisher.none.fl_str_mv Elsevier BV
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
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