Effect of the Sugarcane Bagasse Deacetylation in the Pentoses Fermentation Process (2021)
- Authors:
- Autor USP: ROBERTO, INÊS CONCEIÇÃO - EEL
- Unidade: EEL
- DOI: 10.1007/s12155-020-10243-3
- Subjects: BIOTECNOLOGIA; CANA-DE-AÇÚCAR
- Agências de fomento:
- Language: Inglês
- Abstract: Biomass alkaline deacetylation prior to acid pretreatment can be a promising alternative to reduce the toxicity of hemicellulosic hydrolysates and improve second-generation bioethanol production. In this paper, the effect of alkaline deacetylation of sugarcane bagasse on bioethanol production by Spathaspora passalidarum was evaluated. Sugarcane bagasse deacetylated hemicellulosic hydrolysate (DHH) was processed using the following sequence: (1) deacetylation (0.4%, w/v NaOH, 70 °C, 3 h) and (2) acid pretreatment (0.5% (v/v) of H2SO4, 140 °C, 15 min). Non-deacetylated, hemicellulosic hydrolysate (HH), was obtained applying only acid pretreatment (0.5% (v/v) of H2SO4, 140 °C, 15 min). Biomass deacetylation reduced the content of acetic acid and some phenolic compounds in the hydrolysate (DHH) compared to acid pretreatment (HH), which resulted in its low toxicity. Thus, the bioethanol production with DHH was of 16.92 g L−1, whereas only 1.3 g L−1 of bioethanol was obtained with HH fermentation. Deacetylation process provided a 13-fold increase in bioethanol production by S. passalidarum, showing that alkaline deacetylation followed by sulfuric acid pretreatment is a promising strategy to increase bioethanol production. This procedure provided a simple and practical alternative to the classic methods of detoxification of hemicellulosic hydrolysate from sugarcane bagasse.
- Imprenta:
- Publisher: Springer
- Publisher place: Gainsville-FL
- Date published: 2021
- Source:
- Título: BioEnergy Research
- ISSN: 1939-1234
- Volume/Número/Paginação/Ano: v.14, p. 1171–1183, 2021
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
-
ABNT
LIMA, Cleilton Santos et al. Effect of the Sugarcane Bagasse Deacetylation in the Pentoses Fermentation Process. BioEnergy Research, v. 14, p. 1171–1183, 2021Tradução . . Disponível em: https://doi.org/10.1007/s12155-020-10243-3. Acesso em: 27 dez. 2025. -
APA
Lima, C. S., Neitzel, T., Pereira, I. de O., Rabelo, S. C., Ienczak, J. L., Roberto, I. C., & Rocha, G. J. de M. (2021). Effect of the Sugarcane Bagasse Deacetylation in the Pentoses Fermentation Process. BioEnergy Research, 14, 1171–1183. doi:10.1007/s12155-020-10243-3 -
NLM
Lima CS, Neitzel T, Pereira I de O, Rabelo SC, Ienczak JL, Roberto IC, Rocha GJ de M. Effect of the Sugarcane Bagasse Deacetylation in the Pentoses Fermentation Process [Internet]. BioEnergy Research. 2021 ;14 1171–1183.[citado 2025 dez. 27 ] Available from: https://doi.org/10.1007/s12155-020-10243-3 -
Vancouver
Lima CS, Neitzel T, Pereira I de O, Rabelo SC, Ienczak JL, Roberto IC, Rocha GJ de M. Effect of the Sugarcane Bagasse Deacetylation in the Pentoses Fermentation Process [Internet]. BioEnergy Research. 2021 ;14 1171–1183.[citado 2025 dez. 27 ] Available from: https://doi.org/10.1007/s12155-020-10243-3 - Alkaline deacetylation as a strategy to improve sugars recovery and ethanol production from rice straw hemicellulose and cellulose
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Informações sobre o DOI: 10.1007/s12155-020-10243-3 (Fonte: oaDOI API)
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