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Bioresources and Bioprocessing
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Table 1 Chemical compositions of samples before and after hot-washing process (dry wt%)

From: Effects of hot-washing process on structure and enzymatic hydrolysis of treated steam explosion corn stover

  ECS WECS SECS EECS
Moisture 48.55 56.89 57.64 54.9
Glucan 31.43 33.67 35.35 32.87
Xylan 0.67 0.68 0.95 0.71
AILa 35.73 35.72 35.87 33.91
ASLb 4.7 3.65 3.38 3.49
AIL/ASL ratio 7.6 9.79 10.6 9.72
Total ligninc 40.43 39.37 39.25 37.4
Lignin recoveryd – 92.07 91.12 89.47
Solid recovery – 94.55 93.86 96.72
Formic acid 0.14 0.017 0.016 0.018
Acetic acid 0.29 0.036 0.035 0.038
Furfural 0.033 – – –
HMF 0.026 – – –
  1. All the experiments were performed in duplicate, with the average value reported
  2. aAcid insoluble Klason lignin
  3. bAcid soluble Klason lignin
  4. cTotal lignin (%) = {Acid insoluble lignin(g)/total biomass(g) ×100} + Acid soluble lignin(%)
  5. dLignin recovery (%) = Lignin recovered in solid after pretreatment (g)/Initial amount of lignin(g) ×100
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