Co-Digestion of Sugar Beet Silage Increases Biogas Yield from Fibrous Substrates
Table 3
Specific biogas and methane production rates evaluated for both experiments for the last 20 days.
Reactors
sBPR ( kg−1VS h−1)
sMPR ( kg−1VS h−1)
M : S
CFM1 (M : S-1 : 0)
20
0.90 ± 0.23
0.51 ± 0.14
CFM2 (M : S-6 : 1)
0.81 ± 0.24
0.47 ± 0.14
CFM3 (M : S-3 : 1)
0.86 ± 0.26
0.52 ± 0.16
CFM4 (M : S-1 : 3)
0.93 ± 0.27
0.55 ± 0.15
G : S
CFG1 (G : S-1 : 0)
20
0.27 ± 0.09
0.14 ± 0.05
CFG2 (G : S-6 : 1)
0.44 ± 0.14
0.27 ± 0.09
CFG3 (G : S-3 : 1)
0.49 ± 0.16
0.31 ± 0.10
CFG4 (G : S-1 : 3)
0.68 ± 0.31
0.50 ± 0.24
sBPR: specific biogas production rate; sMPR: specific methane production rate; different letters in parenthesis show significant differences among reactors for each experiment at .