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Table 3 Ethanol production reported in the literature for high-gravity fermentation of various wood lignocellulosic raw materials

From: A novel hybrid organosolv: steam explosion method for the efficient fractionation and pretreatment of birch biomass

WIS (%) Material Pretreatment Strain Enzyme loading Ethanol (g/L) Time (h) References
20 Birch Steam pretreated KE6-12 20 FPU/g 14.4 144 [50]
20 Spruce Steam pretreated Thermosacc Dry 22.5 FPU/g 40 96 [51]
15 Eucalyptus Organosolv IR2-9a 20 FPU/g 42 72 [52]
10 Spruce Steam pretreated TMB3400 30 FPU/g glucan 45 100 [53]
10 Spruce Steam pretreated Ethanol Red 20 FPU/g 45.8 96 [54]
25 Pine Sulfite S. cerevisiae from Angel Yeast Co. Ltd 15 FPU/g 82 24 [55]
20 Beechwood Acetone/water oxidation Ethanol Red 8.4 FPU/g 75.9 120 [56]
20 Eastern red cedar Acid bisulfite D5A 46 FPU/g glucan 52 42 [57]
20 Birch Hybrid organosolv—steam explosion Ethanol Red 18.5 FPU/g 80 192 This study