. 2017 Mar 20;22(3):490. doi: 10.3390/molecules22030490

Table 3.

Separation and recovery of lignin from biomass using ILs and IL-based solvent systems.

Biomass	Ionic Liquid	Condition	Anti-Solvent	Yield of Lignin	Reference
Corn stock	[Pyrr][Ac]	90 °C, 24 h		70%	[34]
Pinus radiata	[C₂mim]Ace	100 °C, 2 h	Acetone	43%	[71]
Pinus radiata	[C₄mim]Ace	100 °C, 2 h	Acetone	38%	[71]
Pinus radiata	[C₄mim]Ace/DMSO	100 °C, 2 h	Acetone	58%	[71]
Pine	[Emim]Ac	110 °C, 16 h	Acetone/water	31%	[74]
Maple	[Emim]Ac	130 °C, 1.5 h	0.1 M NaOH	63%	[75]
Maple	[Emim]Ac	80 °C, 24 h	0.1 M NaOH	51%	[75]
Maple	[Mmim][MeSO₄]	80 °C, 24 h	0.1 M NaOH	9%	[75]
Maple	[Bmim][CF₃SO₃]	80 °C, 24 h	0.1 M NaOH	6%	[75]
Bagasse	[C₂mim][ABS]	180 °C, 2 h	0.1 M NaOH	78%	[76]
Bagasse	[C₂mim][ABS]	190 °C, 2 h	0.1 M NaOH	118%	[76]
Bagasse	[C₂mim][ABS]	190 °C, 1.5 h	0.1 M NaOH	97%	[76]