Important chemical reaction in carbon dioxide sorption enhanced gasification17,18.
| Equation number | Reaction name/type | Chemical equation |
 (kJ mol−1) |
|---|---|---|---|
| E1 | Water gas-I | C + H2O ⇌ CO + H2 | +131.0 |
| E2 | Water gas-II | C + 2H2O ⇌ CO2 + 2H2 | +90.1 |
| E3 | Water gas shift | CO + H2O ⇌ CO2 + H2 | −41.2 |
| E4 | Methane reforming | CH4 + 2H2O ⇌ CO2 + 4H2 | +206.0 |
| E5 | Boudouard | C + CO2 ⇌ 2CO | +172.0 |
| E6 | Oxidation-I | C + O2 ⇌ CO2 | −394.0 |
| E7 | Oxidation-II | 2C + O2 ⇌ 2CO | −111.0 |
| E8 | Methanation-I | C + 2H2 ⇌ CH4 | −72.8 |
| E9 | Methanation-II | 2CO + 2H2 ⇌ CH4 + CO2 | −247.0 |
| E10 | Carbonation (Ca) | CaO + CO2 ⇌ CaCO3 | −178.9 |
| E11 | Decarbonation (Ca) | CaCO3 ⇌ CaO + CO2 | +178.9 |
| E12 | Carbonation (Mg) | MgO + CO2 ⇌ MgCO3 | −117.9 |
| E13 | Decarbonation (Mg) | MgCO3 ⇌ MgO + CO2 | +117.9 |
| E14 | Carbonation (Li4SiO4) | Li4SiO4 + CO2 ⇌ Li2SiO3 + Li2CO3 | −142.0 |
| E15 | Decarbonation (Li4SiO4) | Li2SiO3 + Li2CO3 ⇌ Li4SiO4 + CO2 | +142.0 |