Oxidation of imidacloprid insecticide through PMS activation using CuFe2O4 nanoparticles: Role of process parameters and surface modifications

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorFaculty of Engineering and Basic Sciences-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorNúñez-de la Rosa, Yeison-
Autor(es): dc.creatorBroterson, Yoisel B.-
Autor(es): dc.creatorBallesteros-Ballesteros, Vladimir A.-
Autor(es): dc.creatorDurango, Luis Guillermo Cuadrado-
Autor(es): dc.creatorToledo, Jorge Luis Nisperuza-
Autor(es): dc.creatorForim, Moacir Rossi-
Autor(es): dc.creatorde Souza, Fernanda Lourdes-
Autor(es): dc.creatorHammer, Peter-
Autor(es): dc.creatorAquino, José M.-
Data de aceite: dc.date.accessioned2025-08-21T21:27:34Z-
Data de disponibilização: dc.date.available2025-08-21T21:27:34Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-08-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.chemosphere.2024.142558-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/303533-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/303533-
Descrição: dc.descriptionThe contamination of water bodies by synthetic organic compounds coupled with climate change and the growing demand for water supply calls for new approaches to water management and treatment. To tackle the decontamination issue, the activation of peroxymonosulfate (PMS) using copper magnetic ferrite (CuMF) nanoparticles prepared under distinct synthesis conditions was assessed to oxidize imidacloprid (IMD) insecticide. After optimization of some operational variables, such as CuMF load (62.5–250 mg L−1), PMS concentration (250–1000 μM), and solution pH (3-10), IMD was completely oxidized in 2 h without interferences from leached metal ions. Such performance was also achieved when using tap water but was inhibited by a simulated municipal wastewater due to scavenging effects promoted by inorganic and organic species. Although there was evidence of the presence of sulfate radicals and singlet oxygen oxidizing species, only four intermediate compounds were detected by liquid chromatography coupled to mass spectrometry analysis, mainly due to hydroxyl addition reactions. Concerning the changes in surface properties of CuMF after use, no morphological or structural changes were observed except a small increase in the charge transfer resistance. Based on the changes of terminal surface groups, PMS activation occurred on Fe sites.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFinanciadora de Estudos e Projetos-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionFederal University of São Carlos (UFSCar) Department of Chemistry, SP-
Descrição: dc.descriptionFundación Universitaria Los Libertadores Faculty of Engineering and Basic Sciences-
Descrição: dc.descriptionSão Paulo University Institute of Chemistry of São Carlos Department of Chemistry and Molecular Physics, Trabalhador São-Carlense Avenue, 400-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Chemistry Department of Physical Chemistry, SP-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Chemistry Department of Physical Chemistry, SP-
Descrição: dc.descriptionFinanciadora de Estudos e Projetos: #01.22.0179.00-
Descrição: dc.descriptionFAPESP: #2014/50918-7-
Descrição: dc.descriptionFAPESP: #2019/07943-4-
Descrição: dc.descriptionFAPESP: #2021/13604-8-
Descrição: dc.descriptionCNPq: #305943/2020-0-
Descrição: dc.descriptionCNPq: #307800/2021-0-
Descrição: dc.descriptionCNPq: #310055/2023-7-
Descrição: dc.descriptionCNPq: #406537/2021-6-
Descrição: dc.descriptionCNPq: #465357/2014-8-
Idioma: dc.languageen-
Relação: dc.relationChemosphere-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAdvanced oxidation process-
Palavras-chave: dc.subjectEmerging contaminants-
Palavras-chave: dc.subjectHeterogeneous catalysis-
Palavras-chave: dc.subjectHydroxyl radicals-
Palavras-chave: dc.subjectIn situ chemical activation-
Título: dc.titleOxidation of imidacloprid insecticide through PMS activation using CuFe2O4 nanoparticles: Role of process parameters and surface modifications-
Tipo de arquivo: dc.typelivro digital-
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