Advances in Materials Science and Engineering

Research Article

Thermal Degradation Characteristics and Kinetics of Oxy Combustion of Corn Residues

Table 2

Thermal degradation characteristics of corn residues under oxygen atmosphere.


	Stage	Heating rate = 10 K/min					Heating rate = 30 K/min					Heating rate = 50 K/min
	Stage	(°C)	%wt	(°C)	(%/s)		(°C)	%wt	(°C)	(%/s)		(°C)	%wt	(°C)	(%/s)

Corncob	1st	25	100	74	0.29 × 10⁻³	5.05	25	100	92	0.8 × 10⁻³	5.22	25	100	98	1.32 × 10⁻³	5.06
	1st	139	90.6				163	90.32				163	90.85
	2nd	190	90.18	271	1.42 × 10⁻³	31.23	194	90.08	289	4.1 × 10⁻³	31.57	204	90.54	295	7.2 × 10⁻³	31.95
	2nd	340	39.75				372	36.76				378	36.59
	3rd	340	39.75	—			372	36.76	—			378	36.59
	3rd	550	6.38				747	4.92				776	7.1

Corn stover	1st	25	100	69	0.26 × 10⁻³	3.84	25	100	98	0.9 × 10⁻³	6.05	25	100	101	1.66 × 10⁻³	6.18
	1st	132	92.21				157	89.22				161	89.4
	2nd	167	91.5	275	1.17 × 10⁻³	37.24	177	88.83	313	3.1 × 10⁻³	47.96	177	89.14	315	5.58 × 10⁻³	47.32
	2nd	368	34.91				390	36.89				391	37.81
	3rd	368	34.91	—			390	36.89	—			391	37.81	—
	3rd	514	8.41				878	6.27				858	8.86