Research Article
Study on Pore Structure and Fractal Characteristics of Tar-Rich Coal during Pyrolysis by Mercury Intrusion Porosimetry (MIP)
Table 3
Various pore contents of tar-rich coal after pyrolysis/%.
| | Pore size range/nm | S1 | S2 | S3 | S4 | S5 | S6 |
| | Micropore (5-10) | 25.5 | 19.9 | 23.4 | 9.3 | 0.5 | 0.4 | | Transition pore(10-100) | 13.5 | 12.4 | 22.7 | 9.9 | 16.5 | 12.2 | | Medium pore (100-1000) | 2.1 | 1.2 | 3.2 | 4.7 | 49.6 | 46.1 | | Large pore ( >1000) | 58.9 | 66.5 | 50.7 | 76.1 | 33.4 | 41.3 | | Diffusion pore ( <100) | 39.0 | 32.3 | 46.1 | 19.2 | 17.0 | 12.6 | | Seepage pore ( >100) | 61.0 | 67.7 | 53.9 | 80.8 | 83.0 | 87.4 |
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