An experimental and modeling approach for ethanol production by Kluyveromyces marxianus in stirred tank bioreactor using vacuum extraction as a strategy to overcome product inhibition (2019)
- Authors:
- USP affiliated authors: FELIPE, MARIA DAS GRAÇAS DE ALMEIDA - EEL ; SANTOS, JÚLIO CÉSAR DOS - EEL ; PEREIRA, FÉLIX MONTEIRO - EEL
- Unidade: EEL
- Sigla do Departamento: Ethanol Product inhibition
- DOI: 10.1016/j.renene.2018.07.030
- Subjects: Phenomenological modeling; ETANOL; VÁCUO; BIOTECNOLOGIA; Product removal
- Language: Inglês
- Abstract: Vacuum ethanol removal effect on the fermentative performance of Kluyveromyces marxianus was assessed. Yeast was cultured in bench bioreactor at initial glucose concentration of 90 g L−1 in two sequential batches of 36 h, with a vacuum ethanol removal step and glucose feed before the second batch. Ethanol concentration after the first batch was 34.13 g L−1 (YP/S 0.38 g g−1; QP 0.94 g L−1.h−1), and 40.90 g L−1 (YP/S 0.18 g g−1; QP 0.43 g L−1.h−1) after the second batch. Ethanol production in a control assay without vacuum extraction only happened in the first batch (36.37 g L−1; YP/S 0.4 g g−1; QP 1.01 g.L−1h−1). The phenomenological modeling showed product inhibition and the importance of product removal to process improvement, although the yeast had needed an adaptation period to recover its fermentative metabolism after the stress caused by vacuum.
- Imprenta:
- Source:
- Título do periódico: Renewable energy
- ISSN: 0960-1481
- Volume/Número/Paginação/Ano: v.131, p.261-267, 2019
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
TAVARES, Bruna et al. An experimental and modeling approach for ethanol production by Kluyveromyces marxianus in stirred tank bioreactor using vacuum extraction as a strategy to overcome product inhibition. Renewable energy, v. 131, p. 261-267, 2019Tradução . . Disponível em: https://doi.org/10.1016/j.renene.2018.07.030. Acesso em: 22 jul. 2024. -
APA
Tavares, B., Felipe, M. das G. de A., Santos, J. C. dos, Pereira, F. M., Gomes, S. D., & Sene, L. (2019). An experimental and modeling approach for ethanol production by Kluyveromyces marxianus in stirred tank bioreactor using vacuum extraction as a strategy to overcome product inhibition. Renewable energy, 131, 261-267. doi:10.1016/j.renene.2018.07.030 -
NLM
Tavares B, Felipe M das G de A, Santos JC dos, Pereira FM, Gomes SD, Sene L. An experimental and modeling approach for ethanol production by Kluyveromyces marxianus in stirred tank bioreactor using vacuum extraction as a strategy to overcome product inhibition [Internet]. Renewable energy. 2019 ;131 261-267.[citado 2024 jul. 22 ] Available from: https://doi.org/10.1016/j.renene.2018.07.030 -
Vancouver
Tavares B, Felipe M das G de A, Santos JC dos, Pereira FM, Gomes SD, Sene L. An experimental and modeling approach for ethanol production by Kluyveromyces marxianus in stirred tank bioreactor using vacuum extraction as a strategy to overcome product inhibition [Internet]. Renewable energy. 2019 ;131 261-267.[citado 2024 jul. 22 ] Available from: https://doi.org/10.1016/j.renene.2018.07.030 - Ethanol production by Kluyveromyces marxianus ATCC 36907: Fermentation features and mathematical modeling
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Informações sobre o DOI: 10.1016/j.renene.2018.07.030 (Fonte: oaDOI API)
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