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Table 7 Recovery factors in Aspen Plus for the pretreatment stage

From: Combined production of biogas and ethanol at high solids loading from wheat straw impregnated with acetic acid: experimental study and techno-economic evaluation

Components Straw comp. used in Aspen Plus (% of DM) Recovery factors used in Aspen Plus WIS (%) Recovery factors used in Aspen Plus liquid (%)
Glucan 32.7 98 2
Xylan 23.4 14 55
Arabinan 4.7 21 33
Lignin 22.2 88a 12
Ash 1.8 62a 38
Acetate 1.8 10 90
Extractives
 Semivol 8.3 0 100
 Nonvol 5.1 0 100
  1. a12 % of the lignin and 38 % of the ash were converted to soluble lignin and soluble ash, respectively, in the model, but they were still modeled, because they were present in the solid fraction