Abstract
Lignin valorization of naturally available and renewable lignocellulosic biomass is possessing remarkable scope in lignin biorefinery to obtain value-added aromatic-organic commodities. In general lignin biorefinery uses the waste-fraction of biomass refinery as a feedstock hence, lignin biorefinery is contributing to build an economic and sustainable society. However, solubilization, valorization and depolymerization of lignin into value products is a critical and challenging task due to reluctant highly complex-network of lignin. Ionic Liquids (ILs) are functional multi-tasking fluids can be a key for lignin solubilization, depolymerization and valorization due to it’s unique spectacular properties. In this view, the present book-chapter covers recent advances of lignin processing in IL. Further, evaluation of various ILs for lignin valorization, IL-lignin interaction, IL-structure, its influence in lignin depolymerization and mechanism of lignin depolymerization in IL is also discussed. Besides this, the present book chapter also proposed challenges-future opportunities associated with development of model potential lignin biorefinery.
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