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Pretreatment Technologies for Second-Generation Bioethanol Production

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Liquid Biofuels: Bioethanol

Abstract

In the recent scenario, the attention of the industry and the researchers has been directed towards the production of biofuels mainly due to the current depletion of fossil fuels and the environmental problems that have been worsened for the past decade. In this context, the production of second-generation bioethanol has been widely considered. The increased interest in utilization of lignocellulosic biomass is due its renewability, easy availability, and it does not compete for the food security. However, to take advantage of these promising benefits, it is necessary to face different challenges related to feedstock exploitation such as its structural complexity and conversion efficiency into fermentable sugars. Various pretreatment techniques have been investigated over the years and are classified as physical, chemical, biological, and physicochemical methods. In this sense, this chapter aims to bring an overview of the current knowledge regarding the technologies used to treat lignocellulosic biomass as a feedstock for second-generation bioethanol production.

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Acknowledgments

Financial Support from Mitacs Globalink, Natural Sciences and Engineering Research Council of Canada (No. 284111, Discovery; No. 476649–14, Strategic Research Grant), and James and Joanne Love Chair in Environmental Engineering

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Correspondence to Satinder Kaur Brar .

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Bahena-Molina, K.A., Sunder, S., Ganesan, A., Saini, R., Osorio-González, C.S., Kaur Brar, S. (2022). Pretreatment Technologies for Second-Generation Bioethanol Production. In: Soccol, C.R., Amarante Guimarães Pereira, G., Dussap, CG., Porto de Souza Vandenberghe, L. (eds) Liquid Biofuels: Bioethanol. Biofuel and Biorefinery Technologies, vol 12. Springer, Cham. https://doi.org/10.1007/978-3-031-01241-9_10

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