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Type: Artigo
Title: Subcritical water hydrolysis pretreatment of sugarcane bagasse to produce second generation ethanol
Author: Oliveira, T. C. G.
Hanlon, K. E.
Interlandi. M. A.
Torres-Mayanga, P. C.
Silvello, M. A. C.
Lachos-Perez, S. D.
Timko, M. T.
Rostagno, M. A.
Goldbeck, R.
Forster-Carneiro, T.
Abstract: Subcritical water hydrolysis (SWH) is a promising pre-treatment process for the production of second-generation ethanol (2 G ethanol), furthermore subcritical water is a fast, non-toxic, and green process. To address this issue SWH was performed at follow conditions: 200 °C, 15 MPa, 20 e 5 mL min–1; the hydrolysate was obtained in order to produce a fermentable liquor in three different steps, 1) pure SWH, 2) SWH concentrated and rotary evaporator, and 3) SWH combinated with enzymatic hydrolysis. S. cerevisiae SA-1 and the pentose metabolizing yeast, S. stipitis NRRLY-7124, were used to evaluate fermentation potential. The combination of the products of SWH and the integration of enzymatic hydrolysis provided the greatest fermentable sugar yield with 3.0 ± 0.53 g L–1 xylose and 6.3 ± 0.5 g L–1 glucose; subsequent fermentation with S. cerevisiae SA-1 and S. stipitis NRRLY-7124 resulted in a 2 G ethanol yield of 2.20 ± 0.01 g L–1.
Subject: Hidrólise
Country: Países Baixos
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.supflu.2020.104916
Date Issue: 2020
Appears in Collections:FEA - Artigos e Outros Documentos
FCA - Artigos e Outros Documentos

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