Research Article
Thermodynamic Characteristics of Methane Adsorption of Coal with Different Initial Gas Pressures at Different Temperatures
Table 3
Fitting results of equation (
5).
| | Coal | Initial equilibrium free gas pressure (MPa) | Fitting results | Adsorption heat (ε) | B | Correlation coefficient |
| | #1 | 1.145 | | 1580.2 | 1.1664 | 0.9980 | | 0.821 | | 1754.9 | 1.1533 | 0.9983 | | 0.630 | | 1808.3 | 1.0970 | 0.9930 | | 0.445 | | 1963.8 | 1.3371 | 0.9919 | | 0.305 | | 2165.1 | 1.8109 | 0.9918 | | 0.190 | | 2460.3 | 3.1230 | 0.9922 |
| | #2 | 1.595 | | 1367.4 | 1.6928 | 0.9974 | | 1.032 | | 1747.6 | 1.3753 | 0.9986 | | 0.765 | | 1866.0 | 1.5371 | 0.9997 | | 0.539 | | 2000.9 | 1.7566 | 0.9984 | | 0.362 | | 2175.3 | 2.2102 | 0.9942 | | 0.189 | | 2618.2 | 5.2735 | 0.9944 |
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