A Kinetic Study of Marginal Soil Energy Plant Helianthus annuus Stalk Pyrolysis

Table 3

Mass loss and average reaction rate at different stages of H. annuus stalk pyrolysis process.

Stage			Heating rate/°C min^−1
			5	10	20	30
I	ML^a		6.6	7.1	7.0	6.5
	AR^b		0.2	0.6	1.1	1.5
II	Z I^c	ML^a	23.3	23.2	21.0	18.1
		AR^b	1.2	1.8	3.3	4.5
	Z II^d	ML^a	32.9	36.8	39.3	39.2
		AR^b	2.4	3.7	7.8	14.2
III	ML^a		16.1	13.3	11.6	13.0
	AR^b		0.2	0.3	0.6	0.9
Final residual at 800°C^e			21.1	19.6	21.0	23.2

^aMass loss,%; ^bAverage reaction rate,%/min; ^cZone I; ^dZone II; ^eFinal residual at 800°C,%.