Research Article
Chemical Looping Combustion of Methane: A Technology Development View
Table 1
Stoichiometric chemical reactions for CLC of methane.
| Oxygen carrier | Reaction in fuel reactor | Reaction in air reactor |
| NiO | 4NiO + CH4(g) = 4Ni + 2H2O(g) + CO2(g) | Ni + 0.5O2(g) = NiO | CuO | 4CuO + CH4(g) = 4Cu +2H2O(g) + CO2(g) | Cu + 0.5O2(g) = CuO | CoO | 4CoO + CH4(g) = 4Co +2H2O(g) + CO2(g) | Co + 0.5O2(g) = CoO | CaSO4 | CaSO4 + CH4(g) = CaS +2H2O(g) + CO2(g) | CaS + 2O2 = CaSO4 | Na2SO4 | Na2SO4 + CH4(g) = Na2S + 2H2O(g) + CO2(g) | Na2S + 2O2 = Na2SO4 | Fe2O3 | 1.33Fe2O3 + CH4(g) = 2.66Fe + 2H2O(g) + CO2(g) | Fe + 0.75O2(g) = 0.5Fe2O3 | Fe3O4 + 0.25O2(g) = 1.5Fe2O3 | FeO + 0.25O2(g) = 0.5Fe2O3 | Mn2O3 | 1.33Mn2O3 + CH4(g) = 2.66Mn + 2H2O(g) + CO2(g) | Mn + 0.75O2(g) = 0.5Mn2O3 | MnO + 0.25O2(g) = 0.5Mn2O3 |
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