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Bioresources and Bioprocessing

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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