Laccases and ionic liquids as an alternative method for lignin depolymerization: A review

被引：18

作者：

Geniselli da Silva V. ^{[1
]}

机构：

[1] Faculty of Food Engineering, University of Campinas, Cidade Universitária, Campinas

来源：

Bioresource Technology Reports | 2021年 / 16卷

关键词：

Depolymerization; Green chemistry; Ionic liquids; Laccases; Lignin;

D O I：

10.1016/j.biteb.2021.100824

中图分类号：

学科分类号：

摘要：

Lignin, a by-product of wood processing, is the most abundant source of renewable aromatics on earth, which can be transformed into high value-added materials. However, it is usually incinerated for energy production, resulting in environmental problems and wasting its potential for industrial applications. To improve lignin usability, treatments converting its water-insoluble structure into simple aromatics are necessary, which usually employ hard reaction conditions, contradicting the current trend towards more sustainable chemistry. Thus, more environmentally friendly methods for lignin modification are attracting the interest of recent studies. This review evaluated the lignin depolymerization based on the combination of laccases and ionic liquids, molten salts that are supposed to have greener properties and which have already been associated with improvements in enzymatic performance and lignocellulosic biomass dissolution. The mechanisms associated with these combinations are discussed, as well as their environmental concerns and future perspectives for greener lignin depolymerization methods. © 2021 Elsevier Ltd

引用

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