Table 2.
Proximate analysis, ultimate analysis, and High heating value (HHV) of charcoals and agglomerated charcoal

Sample	Proximate analysis (wt.%, dry basis)				Ultimate analysis (wt.%, dry basis)					HHV (kcal/kg, dry basis)
	Moisture	Volatile matter	Ash	Fixed carbon1)	C	H	N	O2)	S
A1	1.9(0.1)3)	9.4 (0.2)	2.8 (0.0)	86.0 (0.3)	96.5 (0.5)	0.90 (0.06)	0.80 (0.07)	1.77 (0.51)	0.00 (0.00)	7,777 (46)
A2	1.8 (0.1)	5.4 (0.2)	2.4 (0.6)	90.4 (0.5)	97.4 (0.2)	0.51 (0.02)	0.74 (0.07)	1.29 (0.20)	0.00 (0.00)	7,780 (9)
A3	0.9 (0.0)	39.6 (0.2)	1.8 (0.1)	57.7 (0.2)	76.6 (0.2)	3.99 (0.06)	0.44 (0.01)	18.92 (0.26)	0.01 (0.00)	6,954 (15)
B1	2.9 (0.5)	43.3 (0.2)	12.1 (0.1)	41.6 (0.4)	60.9 (0.7)	4.19 (0.14)	0.30 (0.02)	34.62 (0.79)	0.00 (0.00)	5,428 (53)
B2	3.0 (0.1)	30.3 (2.4)	39.9 (1.7)	26.8 (1.2)	40.6 (1.0)	1.76 (0.06)	2.77 (0.13)	54.83 (1.00)	0.05 (0.00)	3,565 (144)
B3	2.6 (0.1)	11.5 (0.4)	4.7 (0.1)	81.2 (0.2)	88.8 (0.3)	2.12 (0.10)	0.32 (0.01)	8.77 (0.23)	0.00 (0.00)	7,592 (10)

Fixed carbon (%)=100-(Moisture+Volatile matter+Ash) (%)
O (%)=100-(C+H+N+S) (%)
The numbers in parenthesis refer to standard deviations.