Research Article
Simulation of Methane Recovery from Gas Hydrates Combined with Storing Carbon Dioxide as Hydrates
Table 1
Property data of hydrates and sediment.
| Parameter | Value | Parameter | Value |
| Hydrate number CH4 hydrate | 5.90 | Hydrate number CO2 hydrate | 7.67 | Molar mass CH4 hydrate | 122.3 g/mole | Molar mass CO2 hydrate | 174.3 g/mole | Density CH4 hydrate | 7,522 mol/m3 | Density CO2 hydrate | 6,350 mol/m3 | Specific heat CH4 hydrate | 256.8 J/(kg*K) | Specific heat CH4 hydrate | 362.5 J/(kg*K) | Thermal conductivity CH4 hydrate | 0.5 W/(m*K) | Thermal conductivity CH4 hydrate | 0.5 W/(m*K) | Dissociation enthalpy CH4 hydrate | −54 kJ/mole | Dissociation enthalpy CO2 hydrate | −65 kJ/mole | Sediment density | 2,600 kg/m3 | Sediment thermal conductivity | 3.9 W/(m*K) | Sediment specific heat | 1,000 J/(kg*K) | | |
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