Research Article
A Study of the Differences in the Gas Diffusion and Migration Characteristics of Soft and Hard Coal in High Gas Coal Seams
Table 2
Gas desorption parameters of the soft coal and hard coal in the different coal seams.
| Gas desorption parameters | Soft coal and hard coal bodies of the different coal seams | No. 6 soft | No. 6 hard | No. 11 soft | No. 11 hard |
| Initial speed of the gas desorption (ml/min) | 1993.26 | 1775.02 | 1924.53 | 1695.36 | Gas desorption (ml) | 643.45 | 539.74 | 630.98 | 532.02 |
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