Table 2 Fermentation end products (molar concentrations) obtained during glucose fermentation at unregulated pH (first sequence)
Strain/co-culture | Formate (mM) | Lactate (mM) | Acetate (mM) | Butyrate (mM) | H2 yield (mol H2/mol glucose) | Biogas production rate (L biogas/ h)a |
|---|---|---|---|---|---|---|
C. beijerinckii DSM 1820 | 3.92 | 5.28 | 3.15 | 8.33 | 1.45 | 0.38 |
C. butyricum CWBI 1009 | 18.48 | 3.44 | 9.20 | 16.58 | 0.97 | 0.34 |
C. pasteurianum DSM 525 | 0.57 | 12.78 | 10.82 | 7.65 | 0.66 | 1.03 |
C. felsineum DSM 794 | 12.14 | 0.61 | 3.61 | 1.80 | 0.62 | 0.93 |
Co-culture 1 | 3.09 | 11.81 | 8.45 | 3.89 | 1.61 | 0.92 |
Co-culture 2 | 13.44 | 1.79 | 9.55 | 11.25 | 1.02 | 1.02 |
Co-culture 3 | 8.0 | 3.61 | 8.67 | 9.12 | 1.33 | 1.4 |