Table 3.

TGA-DTA analysis results of biochar sample.

Atmosphere Air
Step	Mass Loss (%)	Energy Effect	Temperature Range (K)
1	3.18	endo	304.6–321.3
2	7.34	endo	321.3–468.9
3	59.06	exo	468.9–792.0
4	12.47	exo	792.0–1273.2
Atmosphere N2
1	0.21	endo	299.2–311.5
2	10.78	exo	311.5–754.0
3	20.19	endo	754.0–1273.2