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Table 2 Methane potential and time for degradation of straw and cellulose obtained in biochemical methane potential tests using inoculum from different biogas plants co-digesting different substrates (CD) or sludge from wastewater treatment plants (WWTP)

From: The microbial community structure in industrial biogas plants influences the degradation rate of straw and cellulose in batch tests

Inoculum

Cellulose

Straw

Days to reach  % of the final potential

Final potential

Days to reach  % of the final potential

Final potential

100 %

80 %

50 %

 

100 %

80 %

50 %

CD01

41

24

18

319 ± 24

110

56

28

258 ± 47

CD02

110

71

47

307 ± 54

75

62

45

233 ± 38

CD03

12

6

5

347 ± 15

60

23

8

316 ± 37

CD04

20

10

8

348 ± 24

26

10

8

274 ± 17

WWTP01

57

15

7

350 ± 7

110

44

19

290 ± 9

WWTP02

36

13

7

314 ± 34

57

24

14

240 ± 38

WWTP03

27

11

6

322 ± 7

75

25

13

310 ± 76

WWTP04

29

15

8

325 ± 8

60

20

11

277 ± 11

WWTP05

45

9

6

376 ± 8

59

30

10

281 ± 32

WWTP06

49

13

8

324 ± 13

135

39

18

296 ± 8