Table 1. Proximate and Ultimate Analyses of Samples.

analysis	OS	OSC	RW	HW
ultimate analysis (wt %, dry basis)
C	19.67	4.90	47.38	52.78
H	2.66	0.67	5.46	5.57
N	0.29	0.10	0.06	0.14
S	0.85	0.78	0.10	0.02
Oa	4.13	2.15	46.70	41.29
ashb	72.40	91.40	0.30	0.20
O/C	0.16	0.33	0.74	0.59
H/C	1.62	1.64	1.38	1.27
HHVc	8.85	1.46	18.21	20.72
proximate analysis (wt %, as-received basis)
moisture content	1.51	0	8.59	1.97
volatiles	21.73	6.77	86.07	81.61
fixed carbon	4.27	0.85	5.17	15.88
ash content	72.49	92.38	0.17	0.54

^aO % = 100% – C % – H % – N % – S % – ash %.

^bObtained from an elemental analyzer.

^cHigher heating value (MJ/mol).