| |
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Instrumentação. |
|
Data corrente: |
30/06/2025 |
|
Data da última atualização: |
30/06/2025 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
BECERRA, L. C. I. F.; MALAFATTI, J. O. D.; PARIS, E. C.; JOYA, M. R.; MOREIRA, A. J.; REIS, R. Y. N.; LIMA, J. B.; VARGAS, C. A. P.; PÁEZ, A. M. R. |
|
Afiliação: |
UNIVERSIDAD PEDAGOGICA Y TECNOLOGICA DE COLOMBIA; ELAINE CRISTINA PARIS, CNPDIA; UNIVERSIDAD NACIONAL DE COLOMBIA; INSTITUTE OF CHEMISTRY, SAO PAULO STATE UNIVERSITY (UNESP); UNIVERSIDADE FEDERAL DE SAO CARLOS; INSTITUTE OF CHEMISTRY, SAO PAULO STATE UNIVERSITY (UNESP); UNIVERSIDAD PEDAGOGICA Y TECNOLOGICA DE COLOMBIA; UNIVERSIDAD FRANCISCO DE PAULA SANTANDER. |
|
Título: |
Photocatalytic degradation of fluoxetine mediated by CuO/ CuWO4 nanostructures. |
|
Ano de publicação: |
2025 |
|
Fonte/Imprenta: |
Journal of the Taiwan Institute of Chemical Engineers, v. 174, 106215, 2025. |
|
Páginas: |
16 p. |
|
ISSN: |
1876-1070 |
|
DOI: |
https://doi.org/10.1016/j.jtice.2025.106215 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Background: Photocatalytic activity of the CuO and CuWO4, and heterostructured based in these has been thoroughly investigated however, the Fluoxetine (FLX) degradation has not been widely explored for CuO/ CuWO4 with the novel and economical synthesis method proposed in this work. Methods: Four materials were produced by the co-precipitation method CuO, 100Cu/2W, 100Cu/6W, and CuWO4; 100Cu/2W and 100Cu/6W corresponding to the CuO/CuWO4 heterostructure according morphological and optical results. Significant Findings: Degradation profile of FLX of 100Cu/6W and CuWO4 samples showed the lowest removal over time, while the CuO and 100Cu/2W samples showed the best performances up to 30 min under UV-C light. For the 100Cu/2W sample (CuO/CuWO4 heterostructure), the kinetic constant value was 82.3×10− 2 min− 1 , which confirms its superiority for FLX degradation. CuWO4 (Eg = 2.70 eV) can retain the lower energy photons and after new photon absorption, transfer the e − to CuO (Eg = 3.71 eV). Furthermore, the characterization results show that the 100Cu/2W heterostructure has Eg, SBET, and particle size values intermediate between CuO and CuWO4, contributing to its better performance. Additionally, for all the materials TFMP, PPMA, and TP formation was confirmed in the first minutes of degradation. These new compounds can interact with the photocatalyst and block photocatalytic sites however, the performance of 100Cu/2W was maintained throughout the degradation time, confirming its photoactivity even in a more complex mixture containing FLX and its transformation products. The recyclability of 100Cu/2W for FLX degradation at 30 min was investigated; FLX removal increases to over 95% and is maintained until the last degradation cycle, confirming the potential of CuO/CuWO4 for application in water treatment processes. Additionally, mass spectrometry analyses were carried out for the sample subjected to photocatalytic degradation in 30 min in the presence of 100Cu/2W. There, six transformation products (TP) were identified in the sample, confirming that the degradation mechanisms of FLX involve different routes. MenosBackground: Photocatalytic activity of the CuO and CuWO4, and heterostructured based in these has been thoroughly investigated however, the Fluoxetine (FLX) degradation has not been widely explored for CuO/ CuWO4 with the novel and economical synthesis method proposed in this work. Methods: Four materials were produced by the co-precipitation method CuO, 100Cu/2W, 100Cu/6W, and CuWO4; 100Cu/2W and 100Cu/6W corresponding to the CuO/CuWO4 heterostructure according morphological and optical results. Significant Findings: Degradation profile of FLX of 100Cu/6W and CuWO4 samples showed the lowest removal over time, while the CuO and 100Cu/2W samples showed the best performances up to 30 min under UV-C light. For the 100Cu/2W sample (CuO/CuWO4 heterostructure), the kinetic constant value was 82.3×10− 2 min− 1 , which confirms its superiority for FLX degradation. CuWO4 (Eg = 2.70 eV) can retain the lower energy photons and after new photon absorption, transfer the e − to CuO (Eg = 3.71 eV). Furthermore, the characterization results show that the 100Cu/2W heterostructure has Eg, SBET, and particle size values intermediate between CuO and CuWO4, contributing to its better performance. Additionally, for all the materials TFMP, PPMA, and TP formation was confirmed in the first minutes of degradation. These new compounds can interact with the photocatalyst and block photocatalytic sites however, the performance of 100Cu/2W was maintained throughout the degradation time, confirming its p... Mostrar Tudo |
|
Palavras-Chave: |
CuO/CuWO4 heterostructure; Degradation products; Fluoxetine. |
|
Categoria do assunto: |
-- |
|
Marc: |
LEADER 03020naa a2200289 a 4500
001 2176908
005 2025-06-30
008 2025 bl uuuu u00u1 u #d
022 $a1876-1070
024 7 $ahttps://doi.org/10.1016/j.jtice.2025.106215$2DOI
100 1 $aBECERRA, L. C. I. F.
245 $aPhotocatalytic degradation of fluoxetine mediated by CuO/ CuWO4 nanostructures.$h[electronic resource]
260 $c2025
300 $a16 p.
520 $aBackground: Photocatalytic activity of the CuO and CuWO4, and heterostructured based in these has been thoroughly investigated however, the Fluoxetine (FLX) degradation has not been widely explored for CuO/ CuWO4 with the novel and economical synthesis method proposed in this work. Methods: Four materials were produced by the co-precipitation method CuO, 100Cu/2W, 100Cu/6W, and CuWO4; 100Cu/2W and 100Cu/6W corresponding to the CuO/CuWO4 heterostructure according morphological and optical results. Significant Findings: Degradation profile of FLX of 100Cu/6W and CuWO4 samples showed the lowest removal over time, while the CuO and 100Cu/2W samples showed the best performances up to 30 min under UV-C light. For the 100Cu/2W sample (CuO/CuWO4 heterostructure), the kinetic constant value was 82.3×10− 2 min− 1 , which confirms its superiority for FLX degradation. CuWO4 (Eg = 2.70 eV) can retain the lower energy photons and after new photon absorption, transfer the e − to CuO (Eg = 3.71 eV). Furthermore, the characterization results show that the 100Cu/2W heterostructure has Eg, SBET, and particle size values intermediate between CuO and CuWO4, contributing to its better performance. Additionally, for all the materials TFMP, PPMA, and TP formation was confirmed in the first minutes of degradation. These new compounds can interact with the photocatalyst and block photocatalytic sites however, the performance of 100Cu/2W was maintained throughout the degradation time, confirming its photoactivity even in a more complex mixture containing FLX and its transformation products. The recyclability of 100Cu/2W for FLX degradation at 30 min was investigated; FLX removal increases to over 95% and is maintained until the last degradation cycle, confirming the potential of CuO/CuWO4 for application in water treatment processes. Additionally, mass spectrometry analyses were carried out for the sample subjected to photocatalytic degradation in 30 min in the presence of 100Cu/2W. There, six transformation products (TP) were identified in the sample, confirming that the degradation mechanisms of FLX involve different routes.
653 $aCuO/CuWO4 heterostructure
653 $aDegradation products
653 $aFluoxetine
700 1 $aMALAFATTI, J. O. D.
700 1 $aPARIS, E. C.
700 1 $aJOYA, M. R.
700 1 $aMOREIRA, A. J.
700 1 $aREIS, R. Y. N.
700 1 $aLIMA, J. B.
700 1 $aVARGAS, C. A. P.
700 1 $aPÁEZ, A. M. R.
773 $tJournal of the Taiwan Institute of Chemical Engineers$gv. 174, 106215, 2025.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Instrumentação (CNPDIA) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 129 | |
| 8. |  | VASCONCELOS, V. R.; BARROS, N. N. Nutrição de caprinos e ovinos jovens. In: CONGRESSO NORDESTINO DE PRODUÇÃO ANIMAL 2.; SIMPÓSIO NORDESTINO DE ALIMENTAÇÃO DE RUMINANTES, 8., 2000, Teresina. Ruminantes e não ruminantes; resumos. Teresina: Sociedade Nordestina de Produção Animal, 2000. v. 1. p. 143-153.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
|    |
| 16. | | VASCONCELOS, V. R.; ARAÚJO, A. M.; NEIVA, J. N. M. Desenvolvimento ponderal de cabritos das raças Pardo Alpina, Anglo Nubiana e Saanen, no Nordeste brasileiro. In: CONGRESSO NORDESTINO DE PRODUÇÃO ANIMAL, 1., 1998, Fortaleza. Resumos... Fortaleza: Sociedade Nordestina de Producao Animal, 1998. p. 54. Editado por Abelardo Ribeiro de Azevedo, Ronaldo de Oliveira Sales, Francisco Jose Sales Bastos, Alcides Batista de Castro, Abelardo Ribeiro de Azevedo Junior.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
| |
| Registros recuperados : 129 | |
|
| Expressão de busca inválida. Verifique!!! |
|
|
