Characteristics of Generating Carbon Oxides at Low-temperature Oxidation Stages of Low-Rank Coal

Table 4

Dynamics parameters of oxidation reaction of the coal samples, calculated at different temperature-rise rates and at different stages.

Oxidation stage	WD		YL		HM		CF
	E (kJ/min)	A (min⁻^1)	E (kJ/min)	A (min⁻^1)	E (kJ/min)	A (min⁻^1)	E (kJ/min)	A (min⁻^1)
1 Moisture evaporation	0.843	4.7 × 10^1	1.005	6.7 × 10^1	0.998	6.6 × 10^1	0.976	6.3 × 10^1
2 Oxygen-adsorption weight adding	3.487	1.7 × 10^2	3.973	1.8 × 10^2	3.618	1.5 × 10^2	3.481	1.4 × 10^2
3 Heating decomposition	88.918	7.9 × 10^10	100.501	2.8 × 10^12	94.091	6.0 × 10^12	56.283	2.8 × 10⁷