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https://hdl.handle.net/2440/128295
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dc.contributor.author | Li, L. | - |
dc.contributor.author | Wu, H. | - |
dc.contributor.author | Chen, H. | - |
dc.contributor.author | Zhang, J. | - |
dc.contributor.author | Xu, X. | - |
dc.contributor.author | Wang, S. | - |
dc.contributor.author | Wang, S. | - |
dc.contributor.author | Sun, H. | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Chemosphere, 2020; 256:127160-1-127160-11 | - |
dc.identifier.issn | 0045-6535 | - |
dc.identifier.issn | 1879-1298 | - |
dc.identifier.uri | http://hdl.handle.net/2440/128295 | - |
dc.description.abstract | Bimetallic oxide nanomaterials have received much attention owing to their competing performances in heterogeneous catalysis. Herein, hierarchically porous cobalt-iron oxide nanosheets were successfully prepared using NaBH₄ as a reductant and high concentration cetyl trimethylammonium bromide (CTAB) as a surfactant. Characterization results showed that the CTAB would induce the form of a bilayer structure while NaBH₄ would promote the generation of enriched oxygen vacancies. As a result, the as-prepared Co₁Fe₁-300 exhibited high activity for activating peroxymonosulfate and achieved 100% phenol degradation within 30 min. This excellent catalytic activity can be attributed to its hierarchically porous structure, more active sites and oxygen vacancies. Co leaching test indicated that the Co₁Fe₁-300 exhibited excellent catalytic stability. Mechanistic studies suggested that two main degradation pathways were involved during phenol oxidation process, in which SO₄•– played a significant role. This work may offer a novel strategy for the synthesis of high activity catalysts and a promising system for the remediation of environmental pollutant. | - |
dc.description.statementofresponsibility | Lei Li, Hong Wu, Haijun Chen, Jinqiang Zhang, Xinyuan Xu, Shuaijun Wang, Shaobin Wang, Hongqi Sun | - |
dc.language.iso | en | - |
dc.publisher | Elsevier | - |
dc.rights | © 2020 Elsevier Ltd. All rights reserved. | - |
dc.source.uri | http://dx.doi.org/10.1016/j.chemosphere.2020.127160 | - |
dc.subject | Peroxymonosulfate; cobalt iron oxides; hierarchically porous structure; oxygen vacancies; sulfate radicals | - |
dc.title | Heterogeneous activation of peroxymonosulfate by hierarchically porous cobalt/iron bimetallic oxide nanosheets for degradation of phenol solutions | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.chemosphere.2020.127160 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Wang, S. [0000-0002-1751-9162] | - |
Appears in Collections: | Aurora harvest 8 Chemical Engineering publications |
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