Skip to main content

Table 3 Concentrations of sugars, degradation products and WIS in the pretreated material

From: Ethanol and biogas production after steam pretreatment of corn stover with or without the addition of sulphuric acid

Catalyst

WIS in slurry

Content in WIS (% of dry weight)

Concentration in the liquid fraction (g/l)

(%)

Glucan

Xylan

Lignina

Glucoseb

Xyloseb

Acetic acid

HMF

Furfural

Formic acid

None

8.9

53.9

4.1

27.9

3.7

8.8

5.3

0.2

1.0

2.7

0.2% H2SO4

9.7

55.9

2.8

26.9

4.5

18.3

5.9

0.5

2.9

0.8

  1. a Acid-soluble lignin included, b Monomers and oligomers.