Research Article
Experimental Study on Reasonable Adsorption Time in Determination Coalbed Methane Content
Table 1
The basic parameters of coal samples.
| | Coal samples | (%) | (%) | (%) | TRD (g/cm3) | ARD(g/cm3) | (%) | |
| | WYY | 2.24 | 8.68 | 8.47 | 1.61 | 1.35 | 15.86 | 1.28 | | WYR | 2.58 | 7.91 | 8.42 | 1.54 | 1.27 | 16.90 | 0.45 | | PY | 1.53 | 7.14 | 11.84 | 1.43 | 1.28 | 10.35 | 0.56 | | PR | 1.55 | 7.51 | 10.58 | 1.39 | 1.24 | 10.60 | 0.24 | | QFY | 1.01 | 11.01 | 36.04 | 1.40 | 1.28 | 8.52 | 0.53 | | QFR | 1.02 | 9.18 | 32.85 | 1.43 | 1.32 | 7.46 | 0.15 |
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