Table 3
The critical properties, acentric factor, and the parameters required in equations (5) and (7).
| The critical properties and the acentric factor of methane [54]. | ||
|---|---|---|
| Pc/MPa | Tc/K | ω |
| 4.599 | 190.564 | 0.0115 |
| Values of the Langmuir constant of methane used in equation (5) [45]. |
||
| X × 105/MPa−1 | Y/K | Z/K |
| 2.3048 | 2752.29 | 23.01 |
| Values of the Antoine constants of methane used in equation (7) [45]. |
||
| A′ × 10−22/MPa | B′/K | C′/K |
| 5.2602 | −12 955 | 4.08 |
Pc: the critical pressure; Tc: the critical temperature; ω: the acentric factor.