Table 6 Calculated carbon and redox balances plus the calculated yields of the four different experiments and their corresponding stoichiometric yields
Y X (cmol/cmol) | Yac (cmol/cmol) | \( Y_{{{\text{H}}_{2} }} \) (mol/cmol) | \( Y_{{{\text{CO}}_{2} }} \) (cmol/cmol) | Carbon balance | Redox balance | |
|---|---|---|---|---|---|---|
Yield, biomass formation from sugar | Yield, acetate formation from sugar | Yield, hydrogen formation from sugar | Yield, carbon dioxide formation from sugar | (%) | (%) | |
Glucose experiments (Case 1) | 0.20 | 0.51 | 0.45 | 0.30 | 82 | 87 |
Xylose experiments (Case 2) | 0.12 | 0.50 | 0.47 | 0.31 | 80 | 81 |
Sugar mix experiments (Case 3) | 0.21 | 0.62 | 0.53 | 0.38 | 90 | 100 |
Wheat straw hydrolysate experiments (Case 4) | 0.18 | 0.68 | 0.67 | 0.44 | 107 | 90 |
Stoichiometrically | – | 0.67 | 0.67 | 0.33 | – | – |