Oxygen conc. (vol%) | Tc2 (˚C) | Tc3 (˚C) | Perc. of mass increase at ~275˚C (%) | Amount of heat evolved (kJ/(kg raw coal)) | Perc. of increase in heat flow rate at 400˚C (%) |
0 | - | - | - | - | - |
10 | 288.3 | 374.7 | 2.74 | 870 | 16.0 |
21 | 280.1 | 364.4 | 3.35 | 1040 | 38.9 |
40 | 272.0 | 347.7 | 3.57 | 1320 | 74.3 |