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Table 3 Degradation (%) of cellulose and hemicellulose of the mixtures following solid-state anaerobic digestion

From: Using the properties of soil to speed up the start-up process, enhance process stability, and improve the methane content and yield of solid-state anaerobic digestion of alkaline-pretreated poplar processing residues

Parameter

 

Control

5 : 1

2.5 : 1

1 : 1

TS

Pretreatment

41.0 ± 7.1

50.1 ± 7.5

52.6 ± 1.7

13.6 ± 2.2

 

No pretreatment

44.3 ± 2.2

45.8 ± 6.5

32.1 ± 3.8

44.7 ± 1.5

VS

Pretreatment

21.3 ± 1.0

26.4 ± 1.6

42.9 ± 7.1

7.8 ± 0.2

 

No pretreatment

25.8 ± 3.9

42.5 ± 1.3

38.7 ± 2.1

13.8 ± 3.1

  1. Note: Degradation (%) of cellulose and hemicellulose were calculated after determination of the TS and VS contents of mixtures before and after anaerobic codigestion.
  2. TS: total solids; VS: volatile solids.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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