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Table 1 Recovery of WIS, glucan, and xylan after steam pretreatment

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

Pretreatment temperature 190 °C 200 °C 210 °C
WIS of pretreated material (%) 8.1 9.7 8.3
Recovery (%)
 WIS 59.6 59.0 54.9
 Glucan in WIS 99.3 102.8 96.0
 Glucan in hydrolysate 3.8 4.0 5.3
Total glucan recovery 103.1 106.8 101.3
Xylan in WIS 25.7 14.4 7.7
Xylan in hydrolysate 70.2 46.1 32.1
Total xylan recovery 96.0 60.5 39.8
  1. Recoveries are expressed as % of the amount available in the raw material. The analyses were performed in duplicates, and the relative standard deviations were maximum 6 %