Research Article
Pore Structure Characteristics and Evolution Law of Different-Rank Coal Samples
Table 1
Basic information and parameters of experimental coal samples.
| Sample | Sampling location | (%) | (%) | (%) | (%) |
| Sample 1 | Dananhu No. 1 mine, Hami mining area | 8.02 | 15.36 | 42.35 | 0.43 | Sample 2 | Gengcun mine, Yima mining area | 2.11 | 11.92 | 38.16 | 0.52 | Sample 3 | Pingdingshan No. 5 mine, Pingdingshan mining area | 1.23 | 15.82 | 28.82 | 1.05 | Sample 4 | Zhujiao mine, Anyang mining area | 1.62 | 11.85 | 22.16 | 1.30 | Sample 5 | Hebi No. 9 mine, Hebi mining area | 1.37 | 12.86 | 12.93 | 1.76 | Sample 6 | Jiulishan mine, Jiaozuo mining area | 2.32 | 12.92 | 7.68 | 2.55 |
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Note: , , and are the moisture, ash, and volatile matter contents on the air-dried basis, respectively. is the maximum vitrinite reflectance. |