Combustion Characteristics of Briquette Fuel Produced from Biomass Residues and Binding Materials

Table 1

Mean proximate and ultimate analysis of the sample briquettes.

Residues	MC	VM (db)	FC (db)	AC (db)	CV (cal/g)	SC (db)
	Coffee pulp	^a	^b	^a	^b	^b	^b
Sawdust	^a	^a	^a	^c	^a	^c
Khat waste	^a	^c	^b	^a	^d	^a
Dry grass	^a	^b	^b	^b	^c	^b
value	0.153^ns	0.042	0.012	0.002	0.005	0.032

Means within a column followed by the same letter are not significantly different at 5% LSD test.