Research Article
The Effect of Pore Volume of Hard Coals on Their Susceptibility to Spontaneous Combustion
Table 3
The values of micropores volume and surface area of macropores for individual coal samples.
| Samples | Micropores volume, cm3/g | Surface area of macropores, m2/g |
| Rydułtowy s. 703/1 |
0.033 | 2.53 | Marcel s. 712/1-2 | 0.043 | 2.07 | Borynia s. 415 | 0.047 | 2.21 | Chwałowice s. 405 | 0.048 | 3.00 | Zofiówka s. 407 | 0.041 | 3.92 | Marcel s. 507 | 0.038 | 3.84 | Bielszowice s. 405/2 | 0.044 | 2.10 | Jankowice s. 405 | 0.056 | 2.02 | Śląsk s. 510 | 0.049 | 3.55 | Sośnica s. 413 | 0.050 | 2.91 | Szczygłowice s. 405 | 0.055 | 3.85 | Polska-Wirek s. 510 | 0.049 | 4.88 | Staszic s. 402 | 0.055 | 3.85 | Wesoła s. 501B | 0.059 | 6.03 | Piast s. 209 | 0.051 | 4.79 | Mysłowice s. 501 | 0.051 | 3.82 | Piast s. 206 | 0.072 | 8.99 | Sobieski s. 209 | 0.075 | 13.52 |
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