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Table 3 Raw material composition obtained from experiments and the compositions used in Aspen Plus

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

  Straw (% of DM) Straw comp. used in Aspen Plus (% of DM) WBG comp. used in Aspen Plus (% of DM)
Glucana 42.3 42.2 6.8
Starch 0.0 0.0 76.0
Xylan 27.4 26.7 4.9
Arabinan 3.6 3.1 0.0
Lignin 19.3b 15.5 0.5
Ash 1.4 0.16 1.6
Acetate n.a.c 1.5 0.0
Extractives n.a. 10.2d 0.0
Protein n.a. 0.7 7.9
Fat n.a. 0.0 2.3
  1. aCellulose as glucan. b of which acid-soluble lignin was 1.1 wt%, c not analyzed, d of which 5 wt% was non-volatile and 5.2 wt% semi-volatile