Research Article

Orthogonal Experimental Study on Multifactor Conditions for Gas Desorption in Coal

Table 4

Sensitivity analysis results of the gas desorption amount per unit mass in 30 min.

LevelA: particle size (mm)B: temperature (°C)C: pressure (MPa)D: moisture content (%)E: molding pressure (kN)

k116.6516.2527.3517.4818.82
k218.1816.6923.9017.8818.94
k317.1219.5920.0419.1618.18
k420.5618.2313.1420.4618.12
k519.0920.837.1616.6317.54
R3.914.5820.193.831.39