Acidic ionic liquids: Promising and cost-effective solvents for processing of lignocellulosic biomass

The efficacy of ionic liquids in pretreatment and production of renewable or platform chemicals from lignocellulosic biomass have been substantiated by many research studies. The search for more efficient, low cost and less toxic ionic liquids is still an active research subject. Acidic ionic liquid...

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Bibliographic Details
Published inJournal of molecular liquids Vol. 287; p. 110943
Main Authors Asim, Azmat Mehmood, Uroos, Maliha, Naz, Sadia, Sultan, Misbah, Griffin, Gregory, Muhammad, Nawshad, Khan, Amir Sada
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2019
Subjects
Acidic ionic liquids
Biomass processing
Cost effectiveness
Platform chemicals
Recyclability
Biomass processing
Platform chemicals
Cost effectiveness
Acidic ionic liquids
Recyclability
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Summary:The efficacy of ionic liquids in pretreatment and production of renewable or platform chemicals from lignocellulosic biomass have been substantiated by many research studies. The search for more efficient, low cost and less toxic ionic liquids is still an active research subject. Acidic ionic liquids (AILs) are a type of IL which has emerged as very attractive pretreatment solvents. This review described the recent developments on biomass processing ability and efficiency of different AILs. Different influential process variables are also look over for their impact on biomass pretreatment, deconstruction and yields of various targeted platform chemicals i.e. 5-hydroxymethylfurfural (5-HMF), levulinic acid (LA) etc., total Reducing Sugars (TRS) and depolymerized products of lignin. The review also highlights the associated problems of ionic liquids i.e. challenges in utilization for the biorefinery, stability, recycling and environmental hazards, that faces in its utilization for biomass processing. The cost is a key factor in any chemical process, therefore, an overview of the cost-effectiveness of AILS have been provided. •Acid ionic liquids a featured solvent in processing of lignocellulosic biomass•Deconstruction and yields of various targeted platform chemicals•Challenges in the utilization of ionic liquids for biorefinery•Cost effectiveness of the ionic liquid-based process
ISSN:0167-7322
DOI:10.1016/j.molliq.2019.110943