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Metadados | Descrição | Idioma |
---|---|---|
Autor(es): dc.contributor | Universidade Federal de Sergipe (UFS) | - |
Autor(es): dc.contributor | Universidade Estadual Paulista (Unesp) | - |
Autor(es): dc.creator | dos Santos, Clécia Andrade | - |
Autor(es): dc.creator | de Souza Cruz, Daiane Requião | - |
Autor(es): dc.creator | da Silva, Wenes Ramos | - |
Autor(es): dc.creator | de Jesus, Gleyce Kelly | - |
Autor(es): dc.creator | Santos, Alessandra Ferreira | - |
Autor(es): dc.creator | da Cunha, Graziele Costa | - |
Autor(es): dc.creator | Wisniewski, Alberto | - |
Autor(es): dc.creator | Romão, Luciane Pimenta Cruz [UNESP] | - |
Data de aceite: dc.date.accessioned | 2022-02-22T00:45:00Z | - |
Data de disponibilização: dc.date.available | 2022-02-22T00:45:00Z | - |
Data de envio: dc.date.issued | 2021-06-25 | - |
Data de envio: dc.date.issued | 2021-06-25 | - |
Data de envio: dc.date.issued | 2020-12-31 | - |
Fonte completa do material: dc.identifier | http://dx.doi.org/10.1007/s11356-020-11913-7 | - |
Fonte completa do material: dc.identifier | http://hdl.handle.net/11449/205678 | - |
Fonte: dc.identifier.uri | http://educapes.capes.gov.br/handle/11449/205678 | - |
Descrição: dc.description | A simple, efficient, environmentally friendly, and inexpensive synthesis route was developed to obtain a magnetic nano-hybrid (GH) based on graphene and cobalt ferrite. Water with a high content of natural organic matter (NOM) was used as solvent and a source of carbon. The presence of NOM in the composition of GH was confirmed by FTIR and Raman spectroscopy, which evidenced the formation of graphene, as also corroborated by XRD analyses. The diffractograms and TEM images showed the formation of a hybrid nanomaterial composed of graphene and cobalt ferrite, with crystallite and particle sizes of 0.83 and 4.0 nm, respectively. The heterogeneous electro-Fenton process (EF-GH) achieved 100% degradation of bisphenol A (BPA) in 50 min, with 80% mineralization in 7 h, at pH 7, using a current density of 33.3 mA cm−2. The high catalytic performance was achieved at neutral pH, enabling substantial reduction of the costs of treatment processes. This work contributes to understanding the role of NOM in the synthesis of a magnetic nano-hybrid based on graphene and cobalt ferrite, for use in heterogeneous catalysis. This nano-hybrid has excellent potential for application in the degradation of persistent organic pollutants found in aquatic environments. Graphical abstract: [Figure not available: see fulltext.] | - |
Descrição: dc.description | Chemistry Department Federal University of Sergipe (UFS) | - |
Descrição: dc.description | Chemical Engineering Department Federal University of Sergipe (UFS) | - |
Descrição: dc.description | Institute of Chemistry UNESP National Institute of Alternative Technologies for Detection Toxicological Evaluation and Removal of Micropollutants and Radioactive Materials (INCT-DATREM), P.O. Box 355 | - |
Descrição: dc.description | Institute of Chemistry UNESP National Institute of Alternative Technologies for Detection Toxicological Evaluation and Removal of Micropollutants and Radioactive Materials (INCT-DATREM), P.O. Box 355 | - |
Idioma: dc.language | en | - |
Relação: dc.relation | Environmental Science and Pollution Research | - |
???dc.source???: dc.source | Scopus | - |
Palavras-chave: dc.subject | Emerging contaminants | - |
Palavras-chave: dc.subject | Heterogeneous electro-Fenton | - |
Palavras-chave: dc.subject | Liquid-phase exfoliation | - |
Palavras-chave: dc.subject | Magnetic nano-hybrid | - |
Palavras-chave: dc.subject | Mineralization | - |
Título: dc.title | Heterogeneous electro-Fenton process for degradation of bisphenol A using a new graphene/cobalt ferrite hybrid catalyst | - |
Tipo de arquivo: dc.type | livro digital | - |
Aparece nas coleções: | Repositório Institucional - Unesp |
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