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Table 2 Total solids and volatile solids degradation (%) in 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

34.0 ± 3.6

21.5 ± 2.1

19.3 ± 0.0

20.9 ± 1.3

 

No pretreatment

33.0 ± 2.2

15.0 ± 3.1

5.7 ± 2.3

3.1 ± 0.9

VS

Pretreatment

37.5 ± 3.7

43.1 ± 1.7

45.9 ± 1.8

36.6 ± 0.0

 

No pretreatment

34.9 ± 4.7

42.5 ± 4.3

40.3 ± 3.9

31.3 ± 3.5

  1. Note: Degradation (%) of TS and VS 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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