Ionic liquid based pretreatment of lignocellulosic biomass for enhanced bioconversion

Usmani, Zeba, Sharma, Minaxi, Gupta, Pratishtha , Karpichev, Yevgen, Gathergood, Nicholas, Bhat, Rajeev and Gupta, Vijai Kumar (2020) Ionic liquid based pretreatment of lignocellulosic biomass for enhanced bioconversion. Bioresource Technology, 304 . p. 123003. ISSN 0960-8524

Full content URL: https://doi.org/10.1016/j.biortech.2020.123003

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Ionic liquid based pretreatment of lignocellulosic biomass for enhanced bioconversion

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Abstract

Lignocellulosic biomass is the most plentiful renewable biomolecule and an alternative bioresource for the production of biofuels and biochemicals in biorefineries. But biomass recalcitrance is a bottleneck in their usage, thus necessitating their pretreatment for hydrolysis. Most pretreatment technologies, result in toxic by-products or have lower yield. Ionic liquids (ILs) have successfully advanced as ‘greener and recyclable’ alternatives to volatile organic solvents for lignocellulosic biomass dissolution. This review covers recent developments made in usage of IL-based techniques with focus on biomass breakdown mechanism, process parameter design, impact of cation and anion groups, and the advantageous impact of ILs on the subsequent processing of the fractionated biomass. Progress and barriers for large-scale commercial usage of ILs in emerging biorefineries were critically evaluated using the principles of economies of scale and green chemistry in an environmentally sustainable way.

Keywords:Biorefinery, Enzymatic hydrolysis, Pretreatment, Ionic liquids, Lignocellulosic biomass
Subjects:F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Chemistry
ID Code:43226
Deposited On:20 Jan 2021 10:19

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