An Overview of Extrusion as a Pretreatment Method of Lignocellulosic Biomass

Delon Konan, Ekoun Koffi, Adama Ndao, Eric Charles Peterson, Denis Rodrigue and Kokou Adjallé
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Delon Konan: Centre Eau, Terre, Environnement (ETE), Institut National de la Recherche Scientifique (INRS), 490 Rue de la Couronne, Quebec City, QC G1K 9A9, Canada
Ekoun Koffi: Département de Génie Mécanique et Énergétique, Institut National Polytechnique Felix Houphouët Boigny (INPHB), Yamoussoukro P.O. Box 1093, Côte d’Ivoire
Adama Ndao: Centre Eau, Terre, Environnement (ETE), Institut National de la Recherche Scientifique (INRS), 490 Rue de la Couronne, Quebec City, QC G1K 9A9, Canada
Eric Charles Peterson: Centre Eau, Terre, Environnement (ETE), Institut National de la Recherche Scientifique (INRS), 490 Rue de la Couronne, Quebec City, QC G1K 9A9, Canada
Denis Rodrigue: Département de Génie Chimique, Université Laval, Pavillon Adrien-Pouliot, 1065 Avenue de la Médecine, Quebec City, QC G1V 0A6, Canada
Kokou Adjallé: Centre Eau, Terre, Environnement (ETE), Institut National de la Recherche Scientifique (INRS), 490 Rue de la Couronne, Quebec City, QC G1K 9A9, Canada

Energies, 2022, vol. 15, issue 9, 1-25

Abstract: Lignocellulosic biomass is both low cost and abundant, and unlike energy crops, can escape associated ethical dilemmas such as arable land use and food security issues. However, their usage as raw material in a biorefinery implies an inherent upstream pretreatment step to access compounds of interest derived from lignocellulosic biomass. Importantly, the efficiency of this step is determinant for the downstream processes, and while many pretreatment methods have been explored, extrusion is both a very flexible and promising technology. Extrusion is well-known in both the polymer and pharmaceutical industries and has been used since the 18th century. However, as a pretreatment method for lignocellulosic biomass, extrusion is relatively new. The first use for this purpose dates back to the 1990s. Extrusion enjoys a high degree of flexibility due to the many available parameters, but an understanding of extrusion requires a knowledge of these parameters and the different relationships between them. In this paper, we present a concise overview of lignocellulosic biomass extrusion by reviewing key extrusion parameters and their associated extruder design components and operating conditions.

Keywords: biomass pretreatment; lignocellulosic biomass; extrusion; reactive extrusion (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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