Research Article
Application of the Initial Rate Method in Anaerobic Digestion of Kitchen Waste
Table 2
Standard Gibbs free energy change when using hydrogen-producing acetogens for metabolism of organic acids and alcohols.
| Reaction equation (pH = 7, = 298.15 K) | (kJ/mol) | |
| CH3CH2OH + H2O CH3COO− + 2H2 + 2H+ | +9.6 > 0 | <0 | CH3CH2COO− + 3H2O CH3COO− + + H+ + 3H2 | +76.1 > 0 | <0 | CH3CH2COO− + 2 CH3COO− + H+ + 3HCOO− | +72.4 > 0 | <0 | CH3CH2CH2COO− + 2H2O 2CH3COO− + H + 2H2 | +48.1 > 0 | <0 | CH3CH2CH2COO− + 2CH3COO− + H+ + 2HCOO− | +45.5 > 0 | <0 | CH3CH2CH2CH2COO− + 2H2O CH3COO− + CH3CH2COO− + H+ + 2H2 | +25.1 > 0 | <0 | CH3CHOHCOO− + 2H2O CH3COO− + + H+ + 2H2 | −4.2 < 0 | >0 |
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