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Table 2 Chemical compositions of DDR corn stover biomass before and after enzymatic hydrolysis

From: Techno-economic analysis of the deacetylation and disk refining process: characterizing the effect of refining energy and enzyme usage on minimum sugar selling price and minimum ethanol selling price

  Ash Lignin Glucan Xylan Galactan Arabinan Acetyl
Native CS 2.3 (0.1)a 14.9 (0.0) 36.4 (0.0) 30.8 (0.4) 1.8 (0.0) 3.4 (0.0) 2.7 (0.2)
Starting DDR CS 0.6 (0.2) 12.6 (0.4) 43.6 (0.1) 33.1 (0.1) 1.4 (0.0) 2.5 (0.1) 0.3 (0.2)
Run 8 EH residue 0.9 (0.1) 41.1 (0.3) 24.1 (0.0) 22.3 (0.1) 1.26 (0.0) 2.2 (0.0) 0.5 (0.0)
Run 17 EH residue 0.9 (0.0) 34.6 (0.1) 28.0 (0.1) 25.3 (0.1) 1.3 (0.0) 2.3 (0.0) 0.4 (0.0)
Run 22 EH residue 0.8 (0.1) 41.4 (0.7) 24.3 (0.6) 21.9 (0.5) 1.3 (0.0) 2.2 (0.0) 0.4 (0.0)
Run 30 EH residue 1.2 (0.1) 46.3 (0.4) 21.2 (0.2) 19.5 (0.1) 1.4 (0.0) 2.3 (0.0) 0.4 (0.0)
Run 34 EH residue 1.0 (0.1) 45.2 (0.1) 21.9 (0.1) 20.2 (0.2) 1.3 (0.0) 2.2 (0.0) 0.4 (0.0)
  1. aNumbers in the parentheses present ± one standard deviation (duplicate samples were used in calculations)
  2. EH enzymatic hydrolysis