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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
08/01/2020 |
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Data da última atualização: |
31/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CAMPOS, B. B.; DINIZ, R. H. S.; SILVEIRA, F. A. da; RIBEIRO JÚNIOR, J. I.; FIETTO, L. G.; MACHADO, J. C.; SILVEIRA, W. B. da. |
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Afiliação: |
Breno B. Campos; Raphael H. S. Diniz; Fernando A. da Silveira; José I. Ribeiro Júnior; Luciano G. Fietto; JUAREZ CAMPOLINA MACHADO, CNPGL; Wendel B. da Silveira. |
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Título: |
Elephant grass (Pennisetum purpureum Schumach) is a promising feedstock for ethanol production by the thermotolerant yeast Kluyveromyces marxianus CCT 7735. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Brazilian Journal of Chemical Engineering, v. 36, n. 1, p. 43-49, 2019. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract Elephant grass (Pennisetum purpureum Schumach) is regarded as a promising feedstock for second generation ethanol production, due to its high cellulose content, biomass production and rapid growth. The yeast Kluyveromyces marxianus CCT 7735 is capable of producing ethanol from agroindustrial residues, such as lignocellulosic biomass. Therefore, this study aimed to establish the optimal conditions for ethanol production by K. marxianus CCT 7735 from elephant grass. Five factors were evaluated: temperature (35- 45 ºC), pH (4.5-5.8), agitation (50-150 rpm), cellulase concentration (7.5-22.5 FPU/mL) and elephant grass biomass (8-16% w/v). Enzymatic concentration (22.5 FPU/mL), biomass concentration (16% w/v) and temperature (38 ºC) were the significant optimized factors. K. marxianus CCT 7735 produced a high ethanol concentration (around 45.5 g/L) under these optimized conditions, which is considered feasible in terms of energy requirements in the distillation step. |
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Palavras-Chave: |
Lignocellulosic biomass; Optimization; Renewable sources; Second-generation ethanol. |
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Thesaurus Nal: |
Saccharification. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01841naa a2200253 a 4500
001 2118348
005 2024-01-31
008 2019 bl uuuu u00u1 u #d
100 1 $aCAMPOS, B. B.
245 $aElephant grass (Pennisetum purpureum Schumach) is a promising feedstock for ethanol production by the thermotolerant yeast Kluyveromyces marxianus CCT 7735.$h[electronic resource]
260 $c2019
520 $aAbstract Elephant grass (Pennisetum purpureum Schumach) is regarded as a promising feedstock for second generation ethanol production, due to its high cellulose content, biomass production and rapid growth. The yeast Kluyveromyces marxianus CCT 7735 is capable of producing ethanol from agroindustrial residues, such as lignocellulosic biomass. Therefore, this study aimed to establish the optimal conditions for ethanol production by K. marxianus CCT 7735 from elephant grass. Five factors were evaluated: temperature (35- 45 ºC), pH (4.5-5.8), agitation (50-150 rpm), cellulase concentration (7.5-22.5 FPU/mL) and elephant grass biomass (8-16% w/v). Enzymatic concentration (22.5 FPU/mL), biomass concentration (16% w/v) and temperature (38 ºC) were the significant optimized factors. K. marxianus CCT 7735 produced a high ethanol concentration (around 45.5 g/L) under these optimized conditions, which is considered feasible in terms of energy requirements in the distillation step.
650 $aSaccharification
653 $aLignocellulosic biomass
653 $aOptimization
653 $aRenewable sources
653 $aSecond-generation ethanol
700 1 $aDINIZ, R. H. S.
700 1 $aSILVEIRA, F. A. da
700 1 $aRIBEIRO JÚNIOR, J. I.
700 1 $aFIETTO, L. G.
700 1 $aMACHADO, J. C.
700 1 $aSILVEIRA, W. B. da
773 $tBrazilian Journal of Chemical Engineering$gv. 36, n. 1, p. 43-49, 2019.
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Embrapa Gado de Leite (CNPGL) |
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| 1. |  | FERREIRA, A. O.; RODRIGUES, E. A. F.; SANTOS, A. C.; GUERRA, R. R; MIGLINO, M. A.; MARIA, D. A.; AMBRÓSIO, C. E. Animal-assisted therapy in early childhood schools in São Paulo, Brazil. Pesquisa Veterinária Brasileira, Brasília, DF, v. 36 (supl. 1), p. 46-50, jun. 2016.| Biblioteca(s): Embrapa Unidades Centrais. |
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