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. 2011 Oct 7;1:28. doi: 10.1186/2191-0855-1-28

Table 2.

Main relevant evaluation parameters of the co-digestion processes divided by pre-treatment method

Parameters Pre-treatment A Pre-treatment B
Daily biogas production (L/die) 27.08 ± 3.01 4.87 ± 2.46

Specific Biogas production (m3/kg VS added) 0.64 ± 0.07 0.30 ± 0.13

TS reduction (%) 64.44 ± 7.57 31.67 ± 6.23

TSV reduction (%) 73.84 ± 5.87 38.13 ± 6.70

pH 7.36 ± 0.34 6.82 ± 0.52

Ac./Alc. ratio 0.37 ± 0.18 2.47 ± 2.41

CH4 (%) 60.60 ± 2.90 57.50 ± 6.10

CO2 (%) 37.70 ± 3.20 41.00 ± 6.44