Valorization of biomass using deep eutectic solvent: a short review
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Abstract. The current rise in global energy demand has led to environmental concerns such as resource
depletion and pollution. This has steered researchers towards exploring different renewable sources to
achieve a sustainable circular bio-economy. Interestingly, the abundant nature of lignocellulose biomass
(LCB) has attracted a lot of attention in the production of various specialty chemicals and fuels. The
valorization of LCB requires that the recalcitrant structure of the biomass be broken down. However, the
high capital cost, operating temperature, and several constraints that accompanythe pretreatment process
make most of the pretreatment process economically unviable. Therefore, the quest for an
environmentally benign pretreatment process led to the discovery of deep eutectic solvents (DES). They
are classified as green solvents due to their biodegradable properties, lowcosts, eco-friendliness, enzyme
compatibility, facile methods of synthesis, and recyclability. This review aims at giving information on
LCB, Ionic liquids (ILs), and DES, the valorization of biomass to produce biofuel, and the recyclability
of DES.
Keywords
QD Chemistry, TP Chemical technology