Analysis of Energy Characteristics of Rice and Coffee Husks Blends

Table 3

Proximate and ultimate analysis of coffee and rice husks.

Analysis methods	Rice husks	Coffee husks
(1) Proximate Analysis (%),   dry basis
Moisture	8.80	6.70
Volatile matter	59.20	83.20
Fixed carbon	14.60	14.30
Ash	26.20	2.50
(2) Ultimate Analysis (%),   dry basis
C	45.60	49.40
H	4.50	6.10
N	0.19	0.81
O	33.40	41.20
Cl	0.08	0.03
S	0.02	0.07
Higher heating value (MJ/kg)	13.24	18.34