Research Article
Application of the Initial Rate Method in Anaerobic Digestion of Kitchen Waste
Table 3
Standard Gibbs free energy change when using methanogens for metabolism of intermediates.
| Reaction equation (pH = 7, = 298.15 K) | (kJ/mol) | |
| 4CH3CH2COO− + 3H2O 4CH3COO− + + H+ + 3CH4 | −102.0 < 0 | >0 | 2CH3CH2CH2COO− + + H2O 4CH3COO− + H+ + CH4 | −39.4 < 0 | >0 | CH3COOH CO2 + CH4 | −31.0 < 0 | >0 | 4HCOOH 3CO2 + 2H2O + CH4 | −130.1 < 0 | >0 | 4H2 + + H+ 3H2O + CH4 | −135.6 < 0 | >0 | 2CH3CH2OH + CO2 2CH2COOH + CH4 | −116.3 < 0 | >0 | CH3OH + H2 H2O + CH4 | −112.5 < 0 | >0 | 4CH3OH CO2 + 2H2O + 3CH4 | −104.9 < 0 | >0 | 4CH3NH2 + 2H2O CO2 + 4NH3 + 3CH4 | −75.0 < 0 | >0 | 2(CH3)2NH + 2H2O CO2 + 2NH3 + 3CH4 | −73.2 < 0 | >0 | 4(CH3)3N + 6H2O 3CO2 + 4NH3 + 9CH4 | −74.3 < 0 | >0 | 2(CH3)2S + 2H2O CO2 + 2H2S + 3CH4 | −73.8 < 0 | >0 |
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