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Type: Artigo
Title: Hydrolysis of sugarcane bagasse in subcritical water
Author: Prado, Juliana M.
Follegatti-Romero, Luis A.
Forster-Carneiro, Tânia
Rostagno, Mauricio A.
Maugeri Filho, Francisco
Meireles, M. Angela A.
Abstract: In this work, a subcritical water process was used for the hydrolysis of sugarcane bagasse with the aim of producing fermentable sugars. Hydrolysis kinetics was determined using a semi-batch unit equipped with a 50 mL reactor. Different sample loads (2 and 11 g), flow-rates (11, 22, 33, 44 and 55 mL/min) and temperatures (213, 251 and 290 °C) were evaluated, while maintaining constant pressure (20 MPa). The liquefaction degree of the sugarcane bagasse was not affected by water flow rate and increased with temperature; the maximum liquefaction degree was 95% for hydrolysis at 251 °C and 33 mL/min. The total reducing sugars recovered increased with flow rate up to 23%. The hydrolysis process was completed faster at higher temperatures, requiring 16 min. Maximum monosaccharides + cellobiose + cellotriose yield was 5.6% at 213 °C and 33 mL/min. Approximately 60% of the sugars recovered were in the oligomeric form
Subject: Bagaço de cana
Country: Países Baixos
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.supflu.2013.11.018
Date Issue: 2014
Appears in Collections:FEA - Artigos e Outros Documentos

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