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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