Repeated batches as a feasible industrial process for hemicellulosic ethanol production from sugarcane bagasse by using immobilized yeast cells (2019)
- Authors:
- USP affiliated authors: SANTOS, JÚLIO CÉSAR DOS - EEL ; KUMAR, ANUJ - EEL ; SILVA, SILVIO SILVERIO DA - EEL
- Unidade: EEL
- DOI: 10.1007/s10570-019-02341-z
- Assunto: BIOTECNOLOGIA
- Agências de fomento:
- Language: Inglês
- Abstract: Currently, sugarcane bagasse (SB) is the most abundant agricultural residue generated in Brazil. Given that hemicelluloses can reach up to 30% of SB, bioconversion of this fraction into second generation ethanol (2G) is essential for the success of biorefinery based operations. For 2G ethanol production, techniques such as immobilization process could be an interesting strategy to improve process productivity and must receive special investigation. Cell immobilization of the native Brazilian pentose wild converting yeast, Scheffersomyces shehatae UFMG-HM 52.2, was proposed for the production of 2G ethanol from SB hemicellulosic hydrolysate. A 23 full experimental design was constructed with varying concentrations of sodium alginate (1.0, 1.5 and 2.0% w/v), and calcium chloride (0.1 M, 0.15 M and 0.2 M) and conditioning time (12, 18 and 24 h). Through statistical analysis, it was determined that highest ethanol yield (YP/S of 0.32 g/g) and productivity (QP of 0.146 g/L.h) were obtained with immobilization conditions of 1% sodium alginate, 0.2 M calcium chloride and 12 h of conditioning time. Repeated batches were conducted employing these defined conditions, showing the feasibility to use the system for 5 consecutive cycles. Results highlighted the use of proposed approach for ethanol production, promoting its inclusion in biorefinery operation portfolios.
- Imprenta:
- Publisher: Springer
- Publisher place: New Orleans
- Date published: 2019
- Source:
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
ANTUNES, Felipe Antônio Fernandes et al. Repeated batches as a feasible industrial process for hemicellulosic ethanol production from sugarcane bagasse by using immobilized yeast cells. Cellulose, v. 26, p. 1-16, 2019Tradução . . Disponível em: https://doi.org/10.1007/s10570-019-02341-z. Acesso em: 28 abr. 2024. -
APA
Antunes, F. A. F., Santos, J. C. dos, Chandel, A. K., Carrier, D. J., Peres, G. F. D., Milessi, T. S. S., & Silva, S. S. da. (2019). Repeated batches as a feasible industrial process for hemicellulosic ethanol production from sugarcane bagasse by using immobilized yeast cells. Cellulose, 26, 1-16. doi:10.1007/s10570-019-02341-z -
NLM
Antunes FAF, Santos JC dos, Chandel AK, Carrier DJ, Peres GFD, Milessi TSS, Silva SS da. Repeated batches as a feasible industrial process for hemicellulosic ethanol production from sugarcane bagasse by using immobilized yeast cells [Internet]. Cellulose. 2019 ;26 1-16.[citado 2024 abr. 28 ] Available from: https://doi.org/10.1007/s10570-019-02341-z -
Vancouver
Antunes FAF, Santos JC dos, Chandel AK, Carrier DJ, Peres GFD, Milessi TSS, Silva SS da. Repeated batches as a feasible industrial process for hemicellulosic ethanol production from sugarcane bagasse by using immobilized yeast cells [Internet]. Cellulose. 2019 ;26 1-16.[citado 2024 abr. 28 ] Available from: https://doi.org/10.1007/s10570-019-02341-z - Hydrodynamic cavitation-assisted alkaline pretreatment as a new approach for sugarcane bagasse biorefineries
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Informações sobre o DOI: 10.1007/s10570-019-02341-z (Fonte: oaDOI API)
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