Research Article

Co-Digestion of Sugar Beet Silage Increases Biogas Yield from Fibrous Substrates

Table 2

Reactors with feedstock ratio and volatile solid contents. C/N ratio of feedstock in mixtures and in digestate during fermentation period.

VS ratioFM (%)C/N ratio of feedstocks in mixturesC/N ratio in digestate

Experiment one (M : S)
 CFM11 : 0100/033.111.1 ± 0.3
 CFM26 : 170/3033.211.1 ± 0.2
 CFM33 : 154/4633.311.3 ± 0.3
 CFM41 : 312/8834.011.4 ± 0.6
Experiment two (G : S)
 CFG11 : 0100/015.012.3 ± 0.6
 CFG26 : 162/3816.111.6 ± 0.4
 CFG33 :  145/5517.011.5 ± 0.5
 CFG41 : 38/9224.711.2 ± 0.5

FM: fresh masses; VS: volatile solids.