Kinetic Analysis of Low-Rank Coal Pyrolysis by Model-Free and Model-Fitting Methods

Table 5

Calculation results of coal ZJM.

Method	(°C/min)	E (kJ/mol)	A (1/S)	R^2
The general integral	5	172.95	1.32 × 10^10	0.9987
	10	152.63	4.57 × 10^8	0.9999
	15	153.55	4.17 × 10^8	0.9994
	20	145.77	1.23 × 10^8	0.9990
MacCallum–Tanner	5	177.46	3.09 × 10^10	0.9990
	10	157.20	1.05 × 10^9	0.9999
	15	158.43	1.02 × 10^9	0.9995
	20	150.72	2.88 × 10^8	0.9992
Average		158.59	2.88 × 10^8	0.9992
Kissinger	—	153.90	2.46 × 10^8	0.9909
FWO	—	140.58	—	0.9751