Nanoconfinement in ordered mesopores materials for catalytic wastewater purification

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dc.contributor.authorLi, Y.
dc.contributor.authorZhao, M.
dc.contributor.authorMa, W.
dc.contributor.authorMa, T.
dc.contributor.authorWang, S.
dc.contributor.authorDuan, X.
dc.date.issued2025
dc.description.abstractCatalytic advanced oxidation processes (AOPs) have been challenged by low utilization efficiency of the reactive oxygen species, non-selective oxidation, hindered mass transfer, and reduced stability and activity of catalysts. Catalysis under nanoconfinement shows distinctive physicochemical properties and phase behavior that address the technical bottlenecks of AOPs; however, the confinement efficiency is highly dependent on substrate pore size. In this regard, ordered mesoporous materials (OMMs), functioning as nanoreactors, are particularly promising for providing uniformly nanoconfined channels and microenvironments, effectively boosting catalytic oxidation performance during wastewater purification. In this critical review, we first systematically elucidate the fundamentals of nanoconfinement in AOPs, focusing on its effects on chemical reactivity of reactants and intermediates, the stability and activity of catalysts, and the spatial nanoconfinement among different dimensional structures. Subsequently, the synthesis of OMMs with on-demand porous structure to facilitate nanoconfined reactions are reviewed. Afterwards, we discuss the applications of nanoconfined OMMs in catalytic wastewater purification from three aspects: redox agent-driven AOPs, electricity-driven AOPs, and light-driven AOPs. In conclusion, we summarize the fundamentals and application challenges of OMMs and their nanoconfined features in AOPs for wastewater purification, proposing strategies to drive advancements in this field.
dc.description.statementofresponsibilityYuwei Li, Minbo Zhao, Wanli Ma, Tianyi Ma, Shaobin Wang, Xiaoguang Duan
dc.identifier.citationChemical Engineering Journal, 2025; 504:156407-1-156407-19
dc.identifier.doi10.1016/j.cej.2024.156407
dc.identifier.issn1385-8947
dc.identifier.issn1873-3212
dc.identifier.orcidWang, S. [0000-0002-1751-9162]
dc.identifier.orcidDuan, X. [0000-0001-9635-5807]
dc.identifier.urihttps://hdl.handle.net/2440/146044
dc.language.isoen
dc.publisherElsevier
dc.relation.granthttp://purl.org/au-research/grants/arc/FT230100526
dc.relation.granthttp://purl.org/au-research/grants/arc/DP230102406
dc.rights© 2024 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license ( http://creativecommons.org/licenses/by/4.0/ ).
dc.source.urihttp://dx.doi.org/10.1016/j.cej.2024.156407
dc.subjectordered mesopores materials; advanced oxidation processes; wastewater treatment; peroxides; nanoconfinement
dc.titleNanoconfinement in ordered mesopores materials for catalytic wastewater purification
dc.typeJournal article
pubs.publication-statusPublished

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