Issue 24, 2021

Production of chemicals from marine biomass catalysed by acidic ionic liquids

Abstract

The past decade has witnessed the rapid development of shell biorefining. Among the green methodologies, the application of ionic liquids (ILs) to catalyze the conversion of marine biomass including chitosan, chitin, and crustacean shells, has attracted increasing attention. However, in comparison with the significant achievements of ILs in the conversion of lignocellulosic biomass, the methodological developments of ILs in marine biomass have been rather limited due to the greater structural complexity of marine biomass. Herein, the conversion of marine biomass to a variety of value-added chemicals (chitosan oligomers, sugars, 3-acetamido-5-acetylfuran, 5-hydroxyfurfural, levulinic acid, etc.) using acidic ILs as catalysts, has been reviewed according to the order of feedstock from simple to complex (chitosan, chitin, and crustacean shells). The different characteristics of ILs for each type of marine biomass have been summarized and compared with lignocellulosic biomass for the first time, with respect to acidity, hydrogen bonding ability and recyclability, demonstrating the structural effect of marine biomass on their conversion.

Graphical abstract: Production of chemicals from marine biomass catalysed by acidic ionic liquids

Article information

Article type
Tutorial Review
Submitted
06 sep 2021
Accepted
01 nov 2021
First published
02 nov 2021

Green Chem., 2021,23, 9800-9814

Production of chemicals from marine biomass catalysed by acidic ionic liquids

L. Liu, Green Chem., 2021, 23, 9800 DOI: 10.1039/D1GC03249F

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