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Table 2 Different types of ionic liquids applied for the pretreatment of different biomass (Bajpai 2016)

From: Recent updates on different methods of pretreatment of lignocellulosic feedstocks: a review

Biomass Ionic liquid Abbreviated symbol
Poplar wood 1-Ethyl-3-methylimidazolium diethyl phosphate-acetate Emim-Ac
Pine 1-Allyl-3-methylimidazolium chloride Amim-Cl
Eucalyptus Ethyl-3-methylimidazolium diethyl phosphate-acetate Emim-Ac
Spruce 1-Allyl-3-methylimidazolium chloride Amim-Cl
Bagasse Ethyl-3-methylimidazolium diethyl phosphate-acetate Emim-Ac
Switch grass Ethyl-3-methylimidazolium diethyl phosphate-acetate Emim-Ac
Bamboo 1-Ethyl-3-methylimidazolium diethyl phosphate-glycine Emim-Gly
Wheat straw 1-Allyl-3-methylimidazolium chloride and chloride Amim-Ac
1-Butyl-3-methylimidazolium-acetate Bmim-Ac
Water hyacinth 1-Butyl-3-methylimidazolium-acetate Bmim-Ac
Rice husk 1-Butyl-3-methylimidazolium-chloride Bmim-Cl
1-Ethyl-3-methylimidazolium diethyl phosphate-acetate Emim-Ac
Rice straw Cholinium amino acids Ch-Aa
Kenaf powder Cholinium acetate Ch-Ac