Table 1. Averages of the quality parameters of torrefied Nyamplung seed shells

Particle size (mm)	Torrefaction temperature (°C)	Compressive strength (N)	Moisture content (%)	Volatile matter (%)	Ash content (%)	Fixed carbon (%)	Calorific value (cal/g)
0.43–0.84	200	201.34	7.77	79.95	2.58	17.47	4,263.40
	225	99.63	10.32	79.01	4.21	16.78	4,245.60
	250	55.66	8.68	79.19	4.41	16.78	4,307.60
	Control	68.16	14.10	80.45	2.76	16.79	4,144.80
0.25–0.43	200	199.62	6.58	77.43	4.87	17.70	4,454.60
	225	77.57	8.71	78.99	5.28	15.72	4,319.20
	250	58.42	8.15	77.33	6.11	16.56	4,528.00
	Control	118.45	14.71	80.51	3.06	16.43	4,233.00
0.18–0.25	200	169.48	5.70	78.12	2.46	19.42	4,416.60
	225	73.33	7.59	79.37	4.03	16.60	4,372.20
	250	50.55	7.95	77.95	5.50	16.55	4,426.80
	Control	97.67	13.24	80.62	4.55	14.84	4,277.80