Research Article
Contribution of Ash Content Related to Methane Adsorption Behaviors of Bituminous Coals
Table 1
Proximate composition analysis of selected coal samples (mass fraction, %).
| Sample | Ash (dry basis) | Fixed carbon (dry basis) | Volatile matter (dry basis) | Moisture |
| A1 | 9.35 | 67.18 | 23.47 | 1.08 | A2 | 11.89 | 66.24 | 21.87 | 1.19 | A3 | 15.27 | 63.97 | 20.76 | 1.03 | A4 | 21.24 | 57.85 | 20.91 | 1.03 | A5 | 26.82 | 52.82 | 20.36 | 1.18 | A6 | 30.04 | 51.10 | 18.86 | 1.16 | A7 | 35.62 | 46.01 | 18.37 | 1.20 | A8 | 43.57 | 39.38 | 17.05 | 1.36 |
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