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Table 2 Comparison of Miscanthus and other selected biomass feedstocks

From: Rapid selection and identification of Miscanthus genotypes with enhanced glucan and xylan yields from hydrothermal pretreatment followed by enzymatic hydrolysis

Biomass Composition (% dry weight raw) Theoretical EtOH yield (gal/dry ton feedstock)* Pretreatment condition Enzymatic hydrolysis Sugar yield **
Glu Xyl Glu Xyl Total
Miscanthus x giganteus cv. Illinois in this study 42.9 22.0 113 180°C, 10% solid loading, 35 min, logR0 3.90 60 FPU Spezyme CP plus 120 CBU Novozym 188 per gram glucan + xylan, 72 h 92 74 55.7
Corn stover [24] 36.1 21.4 100.3 210°C, 50% solid loading, 6 min, logR0 4.02 60 FPU Spezyme CP plus 120 CBU Novozym 188 per gram glucan + xylan, 72 h 61.1 87.6 40.8
Wheat straw [25] 37.8 22.8 105.6 188°C, 10% solid loading, 40 min, logR0 4.19 15 FPU celluclast plus 15 IU Novozym 188 per gram dry substrate, 72 h 91 80 52.6
Switchgrass [26] 32.2 20.3 91.5 190°C, 5% solid loading, 10 min, logR0 3.64 15 FPU cellulase per gram glucan, 72 h N/A 73.1 N/A
Hybrid Poplar [27] 44 15 102.5 200°C, 15% solid loading, 10 min, logR0 3.94 40 FPU Spezyme CP plus 40 CBU Novozym 188 per gram glucan, 48 h 63.3 85.3 45.5
  1. Glu-glucan, xyl-xylan, lig-lignin.
  2. *Theoretical EtOH yields were calculated by NREL Theoretical Ethanol Yield Calculator [38].
  3. ** Sugar yields for glu and xyl were %, the totals of glu and xyl were g/100 dry weight.