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Article: Catalytic oxidation of VOCs over Mn/TiO2/activated carbon under 185 nm VUV irradiation

TitleCatalytic oxidation of VOCs over Mn/TiO2/activated carbon under 185 nm VUV irradiation
Authors
KeywordsMn/TiO2/AC
Multi-functional catalyst
VUV irradiation
O3 elimination and utilization
VOCs elimination
Issue Date2018
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphere
Citation
Chemosphere, 2018, v. 208, p. 550-558 How to Cite?
AbstractVolatile organic compounds (VOCs) are regarded as the major contributors to air pollution, and should be strictly regulated. Photocatalytic oxidation (PCO) is of great interest for the removal of VOCs owing to its strong oxidation capability. However, its application is greatly limited by catalytic deactivation. Vacuum Ultraviolet (VUV) irradiation provides a novel way to improve the photocatalytic activity while much O3 will be generated which may cause secondary pollution. In this study, a multi-functional catalyst of Mn/TiO2/activated carbon (AC) was developed to eliminate and utilize O3, as well as enhance catalytic oxidation of VOC degradation via ozone-assisted catalytic oxidation (OZCO). The results indicate that Mn modified TiO2/AC (i.e. 0.1%Mn/20%TiO2/AC) achieved a toluene removal efficiency of nearly 86% with 100% elimination rate of O3. With the help of Mn/TiO2/AC catalyst, O3 was catalytically decomposed and transformed into active species of O (1D) and OH, thus enhancing toluene removal. The combination of VUV irradiation with multi-functional catalyst provides a novel and efficient way for the degradation of VOCs.
Persistent Identifierhttp://hdl.handle.net/10722/272268
ISSN
2019 Impact Factor: 5.778
2015 SCImago Journal Rankings: 1.536
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorShu, Y-
dc.contributor.authorXu, Y-
dc.contributor.authorHuang, H-
dc.contributor.authorJi, J-
dc.contributor.authorLiang, S-
dc.contributor.authorWu, M-
dc.contributor.authorLeung, DYC-
dc.date.accessioned2019-07-20T10:38:57Z-
dc.date.available2019-07-20T10:38:57Z-
dc.date.issued2018-
dc.identifier.citationChemosphere, 2018, v. 208, p. 550-558-
dc.identifier.issn0045-6535-
dc.identifier.urihttp://hdl.handle.net/10722/272268-
dc.description.abstractVolatile organic compounds (VOCs) are regarded as the major contributors to air pollution, and should be strictly regulated. Photocatalytic oxidation (PCO) is of great interest for the removal of VOCs owing to its strong oxidation capability. However, its application is greatly limited by catalytic deactivation. Vacuum Ultraviolet (VUV) irradiation provides a novel way to improve the photocatalytic activity while much O3 will be generated which may cause secondary pollution. In this study, a multi-functional catalyst of Mn/TiO2/activated carbon (AC) was developed to eliminate and utilize O3, as well as enhance catalytic oxidation of VOC degradation via ozone-assisted catalytic oxidation (OZCO). The results indicate that Mn modified TiO2/AC (i.e. 0.1%Mn/20%TiO2/AC) achieved a toluene removal efficiency of nearly 86% with 100% elimination rate of O3. With the help of Mn/TiO2/AC catalyst, O3 was catalytically decomposed and transformed into active species of O (1D) and OH, thus enhancing toluene removal. The combination of VUV irradiation with multi-functional catalyst provides a novel and efficient way for the degradation of VOCs.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/chemosphere-
dc.relation.ispartofChemosphere-
dc.subjectMn/TiO2/AC-
dc.subjectMulti-functional catalyst-
dc.subjectVUV irradiation-
dc.subjectO3 elimination and utilization-
dc.subjectVOCs elimination-
dc.titleCatalytic oxidation of VOCs over Mn/TiO2/activated carbon under 185 nm VUV irradiation-
dc.typeArticle-
dc.identifier.emailLeung, DYC: ycleung@hku.hk-
dc.identifier.authorityLeung, DYC=rp00149-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.chemosphere.2018.06.011-
dc.identifier.pmid29890493-
dc.identifier.scopuseid_2-s2.0-85049346921-
dc.identifier.hkuros299126-
dc.identifier.volume208-
dc.identifier.spage550-
dc.identifier.epage558-
dc.identifier.isiWOS:000441999400062-
dc.publisher.placeUnited Kingdom-

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