Table 1.

Particle size and BET surface area of raw biomass and their ash.

Biomass waste	Biomass ash particle size (mm)	Surface area (m2/g)
		Raw biomass (m2/g)	Biomass ash (m2/g)
Mixed wood chip	0.26	1.94	6.23
Poplar bark shavings	0.16	1.66	6.72
Chestnut sawdust	0.24	0.92	4.87
Hazel nut shell	0.18	0.9261	2.61
Almond shell	0.24	0.36	1.43
Jute fibre	0.45	1.42	2.71
Straw (wheat)	0.11	1.35	2.62
Cassava	0.37	0.67	1.08
Pomegranate	0.15	0.28	1.93
Orange	0.48	0.93	1.24