Abstract
The process for producing fuel ethanol from renewable lignocellulosic biomass includes three main steps: pretreatment, to reduce the biomass recalcitrance; hydrolysis, to release biomass polysaccharides into mono- and disaccharide form; and fermentation, to convert these reducing and monomeric sugars into biofuels. The pretreatment processes intend to disorganize the lignocellulosic structure, and the hydrothermal pretreatment has been gaining increasing attention as an environmentally friendly solvent pretreatment since it will undergo hydrolysis reactions in the presence of the hydronium ions generated by water autoionization and acetic acid from hemicelluloses, which acts as catalysts, and an attractive reaction media for a variety of applications. This chapter intends to show a comparative study of hydrothermal pretreatment in laboratory and pilot plant scale, including a complete mass balance approach.
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Acknowledgments
This work was supported by Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE) belonging to Centro Nacional de Pesquisa em Energia e Materiais (CNPEM).
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Nascimento, V.M., Rossell, C.E.V., de Moraes Rocha, G.J. (2017). Scale-Up Hydrothermal Pretreatment of Sugarcane Bagasse and Straw for Second-Generation Ethanol Production. In: Ruiz, H., Hedegaard Thomsen, M., Trajano, H. (eds) Hydrothermal Processing in Biorefineries. Springer, Cham. https://doi.org/10.1007/978-3-319-56457-9_15
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DOI: https://doi.org/10.1007/978-3-319-56457-9_15
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