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Table 3 Comparison of biofuel co-production (bioethanol and methane) yields from different substrates based on high solids fermentation

From: Enhanced co-generation of cellulosic ethanol and methane with the starch/sugar-rich waste mixtures and Tween 80 in fed-batch mode

Material Bioethanol production Methane production References
Solid loading Ethanol concentration (g/L) Ethanol yield (%) VS ratio (inoculum:substrate) Methane yield (mL/g vs)
Birch wood 35% (w/w) 83.2 68.7 1:1 188.1 [36]
Corn stover 24% (wt%) 76 78.3 2:1 120 [57]
Corn stover 35.5% (w/w) 70.7 72.5 No description 320 [58]
SCB 30% (w/v) 68.047 74.13 1:1 306.974 [50]
SCB + molasses 36% (w/v) 94.20 72.37 1:1 312.14 [26]
DER + SCB + molasses 44% (w/w) 91.82 69.33 1:1 320.72 This study