Table 4.

Characteristics of the studied pellets.

Property	PO	PS	CP	SW	VS	OB	BS	WS	OP	GP
M (% wb)	6.35	9.50	8.02	9.30	10.80	6.50	7.20	9.40	6.86	7.05
BD (kg/m3·wb)	678	675	697	650	700	582	644 *	620	780	824
DU (%)	95.41	97.20	96.79	98.20	98.80	97.50	95.50	94.40	91.41	85.83
C (% db)	50.94	51.80	50.50	50.50	46.90	47.02	43.85	45.10	51.42	42.97
H (% db)	6.34	5.70	5.80	6.10	5.70	7.62	5.50	6.00	6.56	9.28
N (% db)	1.81	0.37	0.43	0.48	0.58	0.34	0.77	0.91	1.98	2.05
S (% db)	0.10	0.03	0.03	0.03	0.05	0.00	0.10	0.00	0.10	0.17
Ash (% db)	2.48	2.50	4.81	0.90	7.10	3.32	10.51	9.10	5.55	7.47
HHV (MJ/kg·db)	19.30	19.70	21.41	20.80	18.70	18.82	17.43	18.25	22.03	19.54
LHV (MJ/kg·wb)	16.76	16.69	18.52	17.69	15.61	16.03	15.05	13.73	19.17	16.26
E (MJ/m3·wb)	13,363	11,267	12,907	11,496	10,927	9335	9695	8,510	14,954	13,396

* Bulk density in BS samples was obtained from Serrano et al. [15].