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Ciencia en Desarrollo
Print version ISSN 0121-7488
Abstract
VELE SALTO, Angélica María; ABRIL GONZALEZ, Mónica Fernanda; ZALAMEA PIEDRA, Teresita Silvana and PINOS VELEZ, Verónica Patricia. Mini Review: Application of Ionic Liquids in Acid Hydrolysis of Lignocellulosic Material to Obtain Sugars. Ciencia en Desarrollo [online]. 2021, vol.12, n.1, pp.55-67. Epub Dec 18, 2021. ISSN 0121-7488. https://doi.org/10.19053/01217488.v12.n1.2021.12477.
In recent decades, the application of ionic liquids (IL) as pretreatment of residual biomass (BM) before the hydrolysis reaction has proven to be an efficient system to improve yields towards obtaining monosaccharides. A greater recovery of monosaccharides translates into a higher yield in the production of biofuels, which can make this industry profitable. In this context, this bibliographic review analyzes the physicochemical characteristics, synthesis methods, dissolution conditions with application of variables, such as: IL: BM weigh ratio, temperature and time. In addition, a comparative assessment of the results of traditional acid hydrolysis processes with respect to those obtained with the application of IL is carried out, increasing in most cases their reaction yields. Finally, some recovery and recycling techniques are mentioned, which allow to reduce the costs of the process, so that it is economically profitable.
Keywords : biomass; acid hydrolysis; ionic liquids; lignocellulosic material.