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

Table 4

Experimental methane yield (EMY) and theoretical methane yield (TMY) for all experiments from days 30 to 50. Synergistic effects of co-digestion are indicated by EMY/TMY ratio fairly above 1.

Reactors	EMY; ( kg^−1VS)	TMY; ( kg^−1VS)	Synergistic effects; (EMY/TMY)
M : S
CFM1	475 ± 70	475	1,00
CFM2	437 ± 96	458	0,95
CFM3	485 ± 93	445	1,09
CFM4	520 ± 13	384	1,35
G : S
CFG1	131 ± 51	131	1.00
CFG2	252 ± 52	163	1.55
CFG3	288 ± 64	187	1.54
CFG4	459 ± 17	298	1.54