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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
15/06/2022 |
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Data da última atualização: |
15/06/2022 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
FERANDES, M. F. R.; FRANCISCO, M. da S.; SOARES, L. H. de B.; ZILLI, J. E. |
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Afiliação: |
MARIANA FERREIRA RABELO FERNANDES, UFRRJ; MARCIA DA SILVA FRANCISCO, UFRRJ; LUIS HENRIQUE DE BARROS SOARES, CNPAB; JERRI EDSON ZILLI, CNPAB. |
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Título: |
Alternativa biológica para o tratamento de sementes contra fungos |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE SOJA, 9., 2022, Foz do iguaçu, PR. Desafios para a produtividade sustentável no Mercosul: resumos. Brasília, DF: Embrapa, 2022. 328 p. |
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Páginas: |
p. 305 |
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Idioma: |
Português |
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Palavras-Chave: |
Atividade antagônica; Ratamento de sementes. |
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Thesagro: |
Controle Biológico; Doença de Planta; Soja. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 00742nam a2200205 a 4500
001 2144104
005 2022-06-15
008 2022 bl uuuu u01u1 u #d
100 1 $aFERANDES, M. F. R.
245 $aAlternativa biológica para o tratamento de sementes contra fungos$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE SOJA, 9., 2022, Foz do iguaçu, PR. Desafios para a produtividade sustentável no Mercosul: resumos. Brasília, DF: Embrapa, 2022. 328 p.$c2022
300 $ap. 305
650 $aControle Biológico
650 $aDoença de Planta
650 $aSoja
653 $aAtividade antagônica
653 $aRatamento de sementes
700 1 $aFRANCISCO, M. da S.
700 1 $aSOARES, L. H. de B.
700 1 $aZILLI, J. E.
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Suínos e Aves. Para informações adicionais entre em contato com cnpsa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
08/11/2017 |
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Data da última atualização: |
08/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
ANTES, F. G.; DIEHL, L. de O.; PEREIRA, J. S. F.; GUIMARÃES, R. C. L.; GUARNIERI, R. A.; FERREIRA, B. M. S.; FLORES, E. M. M. |
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Afiliação: |
FABIANE GOLDSCHMIDT ANTES, CNPSA; LIANGE DE OLIVEIRA DIEHL, CNPT; JULIANA S. F. PEREIRA, UFRGS/Departamento de Química Inorgânica; REGINA C. L. GUIMARÃES, CENPES/PETROBRAS; RICARDO A. GUARNIERI, UFSM/Departamento de Química; BIANCA M. S. FERREIRA, CENPES/PETROBRAS; ÉRICO M. M. FLORES, UFSM/Departamento de Química. |
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Título: |
Effect of ultrasonic frequency on separation of water from heavy crude oil emulsion using ultrasonic baths. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Ultrasonics Sonochemistry, v. 35, p. 541 - 546, 2017. |
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DOI: |
10.1016/j.ultsonch.2016.03.031 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: In this work, a comprehensive study was performed for the evaluation of ultrasound (US) frequency for demulsification of crude oil emulsions. Experiments were performed using ultrasonic baths operating at the following frequencies: 25, 35, 45, 130, 582, 862 and 1146 kHz. Synthetic water-in-oil emulsions with 12%, 35% and 50% of water and medians of droplet size distribution (DSD, D(0.5)) of 5, 10 and 25 lm were prepared using a heavy crude oil (API density of 19). Crude oil demulsification was achieved at frequencies in the range of 25?45 kHz for all tested emulsions. When frequencies higher than 45 kHz were applied, no changes in the characteristics of the crude oil emulsions were observed. Demulsification effi- ciencies of about 65% were achieved at a frequency of 45 kHz after 15 min of US application (emulsions with original water content of 50% and D(0.5) = 10 lm). An important aspect is that no addition of chemical demulsifiers was performed, and the demulsification efficiency was considered high, taking into account that the results were obtained using a non-conventional crude oil. Contrary to the normal application of low-frequency US that has been used for emulsification, the proposed approach seems to be a promising technology for water removal from crude oil emulsions |
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Palavras-Chave: |
Demulsão; Remoção de água. |
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Thesagro: |
Água; Emulsão; Estado físico; Óleo; Petróleo; Ultrassom. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02183naa a2200301 a 4500
001 2079262
005 2017-11-08
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1016/j.ultsonch.2016.03.031$2DOI
100 1 $aANTES, F. G.
245 $aEffect of ultrasonic frequency on separation of water from heavy crude oil emulsion using ultrasonic baths.$h[electronic resource]
260 $c2017
520 $aAbstract: In this work, a comprehensive study was performed for the evaluation of ultrasound (US) frequency for demulsification of crude oil emulsions. Experiments were performed using ultrasonic baths operating at the following frequencies: 25, 35, 45, 130, 582, 862 and 1146 kHz. Synthetic water-in-oil emulsions with 12%, 35% and 50% of water and medians of droplet size distribution (DSD, D(0.5)) of 5, 10 and 25 lm were prepared using a heavy crude oil (API density of 19). Crude oil demulsification was achieved at frequencies in the range of 25?45 kHz for all tested emulsions. When frequencies higher than 45 kHz were applied, no changes in the characteristics of the crude oil emulsions were observed. Demulsification effi- ciencies of about 65% were achieved at a frequency of 45 kHz after 15 min of US application (emulsions with original water content of 50% and D(0.5) = 10 lm). An important aspect is that no addition of chemical demulsifiers was performed, and the demulsification efficiency was considered high, taking into account that the results were obtained using a non-conventional crude oil. Contrary to the normal application of low-frequency US that has been used for emulsification, the proposed approach seems to be a promising technology for water removal from crude oil emulsions
650 $aÁgua
650 $aEmulsão
650 $aEstado físico
650 $aÓleo
650 $aPetróleo
650 $aUltrassom
653 $aDemulsão
653 $aRemoção de água
700 1 $aDIEHL, L. de O.
700 1 $aPEREIRA, J. S. F.
700 1 $aGUIMARÃES, R. C. L.
700 1 $aGUARNIERI, R. A.
700 1 $aFERREIRA, B. M. S.
700 1 $aFLORES, E. M. M.
773 $tUltrasonics Sonochemistry$gv. 35, p. 541 - 546, 2017.
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