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Table 2 Chemical composition of untreated and steam-exploded birch

From: Enhancing methane production from lignocellulosic biomass by combined steam-explosion pretreatment and bioaugmentation with cellulolytic bacterium Caldicellulosiruptor bescii

Birch

Composition (%)

Arabinan

Galactan

Glucan

Xylan

Mannan

Klason lignin

Untreated

1.1 ± 0.03

1.60 ± 0.05

37.6 ± 2.13

16.2 ± 0.72

2.8 ± 0.02

30.1 ± 1.10

Pretreateda

0.2 ± 0.01

0.9 ± 0.03

44.3 ± 2.09

9.7 ± 0.10

1.7 ± 0.04

39.4 ± 1.40

  1. The amounts of all components are expressed as a percentage of dry matter. The amount of carbohydrates was calculated using the mass of anhydrous sugar
  2. aThe steam-exploded material was not washed and represents the whole slurry obtained after the pretreatment
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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