Research Article
Orthogonal Experimental Study on Multifactor Conditions for Gas Desorption in Coal
Table 2
Factors and levels of orthogonal experiment L25 (56).
| | Level | A: particle size (mm) | B: temperature (°C) | C: pressure (MPa) | D: moisture content (%) | E: molding pressure (kN) | F: empty form |
| | 1 | 2.0–5.0 | 30 | 5.0 | 10 | 200 | 1 | | 2 | 1.0–2.0 | 10 | 4.0 | 8 | 170 | 2 | | 3 | 0.5–1.0 | 0 | 3.0 | 6 | 140 | 3 | | 4 | 0.25–0.5 | −10 | 2.0 | 4 | 110 | 4 | | 5 | 0.2–0.25 | −30 | 1.0 | 2 | 80 | 5 |
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