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Table 4 Raw material composition of SPWS and recovery factors used in Aspen Plus

From: Techno-economic evaluation of integrated first- and second-generation ethanol production from grain and straw

Raw material composition SPWS Recovery factors used in Aspen Plus
  Solid fraction (WIS) (%) Liquid fraction (%)
Total solids (%) 17.0    
WIS content (%) 12.0    
Solid fraction (% of WIS)
 Glucan 59.5 Glucan 85.3 6.6
 Xylan 4.4 Xylan 1.0 59.1
 Arabinan 0.6 Arabinan 10.3 84.6
 Lignin 24.9 Acetate 10.0 90.0
 Ash 5.8 Lignin 97.5 2.5
Liquid fraction (g/L)
 Sugarsa
  Glucose 7.0 Ash 80.0 20.0
  Xylose 40.4 Extractives 0.0 100.0
  Arabinose 4.7    
 By-products
  Furfural 3.3    
  HMF 0.3    
  Acetic acid 3.9    
  1. aTotal sugars containing both monomer and oligomer sugars