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- Title
Are Biological Pretreatments of Lignocellulosic Residues a Real Option for Biofuels Production?
- Authors
Alba Fierro, Carlos Antonio; Escobedo Bretado, Miguel Ángel; Núñez Ramírez, Diola Marina; Martell Nevárez, María Angélica; Ríos Fránquez, Francisco Javier
- Abstract
The use of lignocellulosic residues as feedstocks for biofuels production represents an economic and ecofriendly option, since they are generated as byproducts or wastes from different industrial areas. Nevertheless, a pretreatment method aimed at eliminating the lignin content of these residues must be performed. This is required in order to increase cellulose bioavailability, which favors the production of reducing sugars through microbial or enzymatic attack. Some performed pretreatments can be classified as physical, chemical, and physicochemical methods. Although such methods are the most used pretreatments, they are expensive and generate or make use of harmful compounds. Biological methods, by the action of microorganisms or their enzymes for lignin content reduction, may be regarded as an alternative, being cheaper and more friendly to the environment than the aforementioned methods. However, until now, biological pretreatments have not shown the same yield as the previously mentioned methods in both sugar recovery and biofuel production. In that sense, the aim of this work is to review the efficiency of these methods, with the goal of clarifying their advantages and disadvantages for improvement of biofuel production.
- Subjects
LIGNOCELLULOSE; BIOMASS energy; MICROBIAL enzymes; LIGNINS; CELLULOSE; SUGARS; ETHANOL as fuel
- Publication
BioResources, 2024, Vol 19, Issue 2, p1
- ISSN
1930-2126
- Publication type
Article
- DOI
10.15376/biores.19.2.AlbaFierro