Table 1 Origin and balance of CH4 formation in the fed-batch reactors supplied with α-cellulose at the start of the experiment and with various amounts of daily H2
Total CH4 production (mmol) | CH4 from α-cellulose (mmol) | Theoretical from α-cellulose (mmol) | Total injected H2 (mmol) | Theoretical CH4 from H2 (mmol) | Measured CH4 from H2 (mmol) | Difference |
|---|---|---|---|---|---|---|
6.20 ± 0.54 | 4.58 ± 0.09 | 4.71 | 0.00 ± 0 | 0.00 | 0.00 ± 0.66 | 0.00 |
12.35 ± 0.44 | 4.63 ± 0.09 | 4.71 | 24.42 ± 0.41 | 6.10 | 6.10 ± 0.24 | 0.00 |
11.30 ± 0.50 | 4.61 ± 0.09 | 4.71 | 43.00 ± 1.02 | 10.75 | 5.08 ± 0.48 | −5.67 |
10.33 ± 0.81 | 4.61 ± 0.09 | 4.71 | 55.69 ± 2.76 | 13.92 | 4.11 ± 0.75 | −9.82 |