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![](/consulta/web/img/deny.png) | 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: |
27/11/2020 |
Data da última atualização: |
16/08/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
LIMA, N. A.; MENDONÇA, G. C.; SILVA, G. T. S. T.; LIMA, B. S.; PARIS, E. C.; BERNARDI, M. I. B. |
Afiliação: |
ELAINE CRISTINA PARIS, CNPDIA. |
Título: |
Influence of the synthesis method on CuWO4 nanoparticles for photocatalytic application. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Journal of Materials Science: Materials in Electronics, v. 32, n. 1, 2021. |
Páginas: |
1139-1149 |
ISSN: |
0957-4522 |
DOI: |
https://doi.org/10.1007/s10854-020-04887-2 |
Idioma: |
Inglês |
Conteúdo: |
The textile industry is responsible for most of the consumption and inappropriate disposal of organic and highly toxic pollutants, such as dyes. Therefore, it is necessary to remediate polluting molecules before returning the water to the environment. Photocatalysis is a promising method for dye molecule degradation as it can provide complete mineralization through an efficient photocatalytic process. CuWO4 exhibits a band gap of 2.40 eV and can be excited with visible light, making it economically advantageous for industrial-scale applications. In this work, CuWO4 was synthesized by coprecipitation (CM), microwave-assisted hydrothermal (HM), and polymeric precursor (PPM) methods to evaluate the photocatalytic behavior in response to the different characteristics obtained from the synthesis routes. In photocatalytic measurements for OH· radical generation, the sacrificial agent H2O2 was used, and in order to delay the recombination process sodium oxalate and silver nitrate scavengers were applied under visible light. CuWO4 synthesized by PPM was more efficient in the dye degradation when the Ag+ scavenger was used, indicating that the predominant reaction mechanism was by direct oxidation or hydroxyl radicals. The surface charge (− 38.5 (PPM), − 29.7 (CM), and − 16.2 mV (HM)) influence was more relevant than the specific surface area (1 (PPM), 22 (CM), and 21 m2 g−1 (HM)) of the samples in the photocatalytic process. The complete degradation occurred in 80 min for the samples obtained by CM and HM and only 20 min were necessary for the sample synthesized by PPM. MenosThe textile industry is responsible for most of the consumption and inappropriate disposal of organic and highly toxic pollutants, such as dyes. Therefore, it is necessary to remediate polluting molecules before returning the water to the environment. Photocatalysis is a promising method for dye molecule degradation as it can provide complete mineralization through an efficient photocatalytic process. CuWO4 exhibits a band gap of 2.40 eV and can be excited with visible light, making it economically advantageous for industrial-scale applications. In this work, CuWO4 was synthesized by coprecipitation (CM), microwave-assisted hydrothermal (HM), and polymeric precursor (PPM) methods to evaluate the photocatalytic behavior in response to the different characteristics obtained from the synthesis routes. In photocatalytic measurements for OH· radical generation, the sacrificial agent H2O2 was used, and in order to delay the recombination process sodium oxalate and silver nitrate scavengers were applied under visible light. CuWO4 synthesized by PPM was more efficient in the dye degradation when the Ag+ scavenger was used, indicating that the predominant reaction mechanism was by direct oxidation or hydroxyl radicals. The surface charge (− 38.5 (PPM), − 29.7 (CM), and − 16.2 mV (HM)) influence was more relevant than the specific surface area (1 (PPM), 22 (CM), and 21 m2 g−1 (HM)) of the samples in the photocatalytic process. The complete degradation occurred in 80 min for the sample... Mostrar Tudo |
Palavras-Chave: |
Oxic pollutants; Photocatalytic process. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02351naa a2200241 a 4500 001 2127141 005 2022-08-16 008 2021 bl uuuu u00u1 u #d 022 $a0957-4522 024 7 $ahttps://doi.org/10.1007/s10854-020-04887-2$2DOI 100 1 $aLIMA, N. A. 245 $aInfluence of the synthesis method on CuWO4 nanoparticles for photocatalytic application.$h[electronic resource] 260 $c2021 300 $a1139-1149 520 $aThe textile industry is responsible for most of the consumption and inappropriate disposal of organic and highly toxic pollutants, such as dyes. Therefore, it is necessary to remediate polluting molecules before returning the water to the environment. Photocatalysis is a promising method for dye molecule degradation as it can provide complete mineralization through an efficient photocatalytic process. CuWO4 exhibits a band gap of 2.40 eV and can be excited with visible light, making it economically advantageous for industrial-scale applications. In this work, CuWO4 was synthesized by coprecipitation (CM), microwave-assisted hydrothermal (HM), and polymeric precursor (PPM) methods to evaluate the photocatalytic behavior in response to the different characteristics obtained from the synthesis routes. In photocatalytic measurements for OH· radical generation, the sacrificial agent H2O2 was used, and in order to delay the recombination process sodium oxalate and silver nitrate scavengers were applied under visible light. CuWO4 synthesized by PPM was more efficient in the dye degradation when the Ag+ scavenger was used, indicating that the predominant reaction mechanism was by direct oxidation or hydroxyl radicals. The surface charge (− 38.5 (PPM), − 29.7 (CM), and − 16.2 mV (HM)) influence was more relevant than the specific surface area (1 (PPM), 22 (CM), and 21 m2 g−1 (HM)) of the samples in the photocatalytic process. The complete degradation occurred in 80 min for the samples obtained by CM and HM and only 20 min were necessary for the sample synthesized by PPM. 653 $aOxic pollutants 653 $aPhotocatalytic process 700 1 $aMENDONÇA, G. C. 700 1 $aSILVA, G. T. S. T. 700 1 $aLIMA, B. S. 700 1 $aPARIS, E. C. 700 1 $aBERNARDI, M. I. B. 773 $tJournal of Materials Science: Materials in Electronics$gv. 32, n. 1, 2021.
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Embrapa Instrumentação (CNPDIA) |
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Registros recuperados : 29 | |
5. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PAULINO, L. R.; NIRO, C. M.; MENDONÇA, G. M. N. de; AZEREDO, H. M. C. de. Fatias de banana liofilizadas como veículo probiótico: Influência da matriz de revestimento na sobrevivência e estabilidade dos probióticos In: JORNADA CIENTÍFICA - EMBRAPA SÃO CARLOS, 14., 2022, São Carlos, SP. Anais... São Carlos: Embrapa Instrumentação: Embrapa Pecuária Sudeste, 2022. Editores técnicos: Cristiane Sanchez Farinas, Daniel Souza Corrêa, Maria Alice Martins, Maria Fernanda Berlingieri Durigan, Paulo Sérgio de Paula Herrmann Júnior. 47 p.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Instrumentação. |
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7. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | LIGNON, G. B.; NASCIMENTO, M. G. F.; LIGNON, F.; MENDONCA, G. A.; NASCIMENTO, E. R. Deteccao de Listeria monocytogenes em cortes de frangos abatidos e comercializados no Estado do Rio de Janeiro. In: JORNADA DE INICIACAO CIENTIFICA DA UFRRJ, 11., 2001, Rio de Janeiro. Anais ... Rio de Janeiro: UFRRJ, 2001. v.11, n.3, p. 437-438.Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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11. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MENDONCA, G. A.; NASCIMENTO, E. R.; LIGNON, G. B.; NASCIMENTO, M. G. F.; DANELLI, M. G. M. Efeito da vacina MG-F de Mycoplasma galliseptlcum na soroconversao de galinhas poedeiras com sintomas respiratorios. Revista Brasileira de Medicina Veterinaria, Rio de Janeiro, v. 23, n. 4, p.160-162, 2001.Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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13. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | COSTA, P. T.; MENDONÇA, G. de; BRUM, L. P.; VIEIRA, T. P.; FEIJÓ, F. D.; VAZ, R. Z. Body mass index, energy reserves, and tissue composition of cuts of Corriedale lambs. Pesquisa Agropecuária Brasileira, v. 55, e01908, 2020. Título em português: Índice de massa corporal, reservas de energia e composição tecidual de cortes de cordeiros Corriedale.Biblioteca(s): Embrapa Unidades Centrais. |
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15. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | FREITAS, J. A. M.; MENDONÇA, G. M. N.; SANTOS, L. B.; ALONSO, J. D.; MENDES, J. F.; BARUD, H. S.; AZEREDO, H. M. C. de. Bacterial cellulose/tomato puree edible films as moisture barrier structures in multicomponent foods. Foods, v. 11, e2336, 2022. 11 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
Biblioteca(s): Embrapa Instrumentação. |
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16. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA FILHO. J. G. de; BERTOLO, M. R. V.; RODRIGUES, M. A. V.; SILVA, G. C.; MENDONÇA, G. M. N. de; BOGUSZ JUNIOR, S.; FERREIRA, M. D. Recent advances in the development of smart, active, and bioactive biodegradable biopolymer-based films containing betalains. Food Chemistry, v. 390, 133149, 2022. 13 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Instrumentação. |
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17. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CRUZ, V. A. R.; GRUPIONI, N. V.; MENDONÇA, G. G.; VENTURINI, G. C.; LEDUR, M. C.; PEIXOTO, J. de O.; MUNARI, D. P. Genetic parameters for performance and carcass traits in a paternal 1 lineage of broiler. Anais da Academia Brasileira de Ciências, v. 92 (suppl. 1), n. e20180697, 2020. Anais da Academia Brasileira de Ciências, v. 92 (suppl. 1), n. e20180697, 2020.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Suínos e Aves. |
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19. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | RODRIGUES, O. D.; NASCIMENTO, E. R. do; TORTELLY, R.; VOLGEL, J.; NASCIMENTO, M. da G. F. do; LIGNON, G. B.; MENDONÇA, G. A. de. Lesões causadas em francos de corte pela ação experimental de Mycoplasma gallisepticum e Escherichia coli. Revista Brasileira de Medicina Veterinária, Rio de Janeiro, v. 23, n. 6, p. 240-243, 2001. Damages caused on broiler chickens by the induced action of Mycoplasma gallisepticum e Escherichia coli.Biblioteca(s): Embrapa Agrobiologia. |
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20. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | RODRIGUES, O. D.; NASCIMENTO, E. R. do; TORTELLY, R.; VOGEL, J.; NASCIMENTO, M. da G. F. do; LIGNON, G. B.; MENDONCA, G. A. de. Lesoes causadas em frangos de corte pela acao experimental de Mycoplasma gallisepticum e Escherichia coli. Revista Brasileira de Medicina Veterinaria, Rio de Janeiro, v. 23, n. 6, p. 240-243, 2001.Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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