Wood Fuel Blends

fuelsc1.xls

Fuel	Fuel Blend CFB-1		Fuel Blend FBC-1		Fuel Blend Grate-1		Fuel Bend CFB-3		Fuel Blend CFB-2		Fuel Blend Grate-1
Type	Urban wood - Ag		Urban wood - Ag		Urban wood		Wood-Pit		Wood-Almond		Wood-20% Straw
	As Rec'd	Dry	As Rec'd	Dry	As Rec'd	Dry	As Rec'd	Dry	As Rec'd	Dry	As Rec'd	Dry
Proximate Analysis
Fixed Carbon	12.36	19.79	13.02	16.93	12.69	15.23	11.55	18.10	12.32	15.94	15.45	16.67
Volatile Matter	47.40	75.89	62.02	80.57	66.02	79.23	48.95	76.77	59.77	77.28	69.65	75.14
Ash	2.70	4.32	1.93	2.50	4.62	5.54	3.27	5.13	5.25	6.78	7.59	8.19
Moisture	37.54	--	23.03	--	16.67	--	36.23	--	22.66	--	7.31	--
TOTAL	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00
Ultimate Analysis
Carbon	32.13	51.44	38.24	49.69	40.64	48.77	31.00	48.62	36.7	47.45	44.01	47.48
Hydrogen	3.54	5.67	4.51	5.87	4.8	5.76	3.68	5.78	4.28	5.53	5.38	5.81
Oxygen	23.81	38.13	32.01	41.57	32.99	39.59	25.36	39.76	30.6	39.57	35.28	38.05
Nitrogen	0.26	0.41	0.25	0.33	0.22	0.27	0.42	0.65	0.45	0.59	0.32	0.35
Sulfur	0.02	0.03	0.03	0.04	0.06	0.07	0.04	0.06	0.06	0.08	0.11	0.12
Ash	2.7	4.32	1.93	2.5	4.62	5.54	3.27	5.13	5.25	6.78	7.59	8.19
Moisture	37.54	--	23.03	--	16.67	--	36.23	--	22.66	--	7.31	--
TOTAL	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00
HHV, Btu/lb	5,506	8,815	6,449	8,379	6,967	8,361	5,388	8,450	5,281	6,829	7,492	8,083
Chlorine %	<0.01	0.01	0.04	0.05	0.05	0.06	0.02	0.03	0.02	0.03	0.12	0.13
Water Soluble Alkalis %
Na2O	0.008	0.013	0.034	0.044
K2O	0.097	0.155	0.132	0.172
CaO		0.226
Elemental Composition
SiO2		39.96		28.81		55.12		52.55		45.60		55.50
Al2O3		12.03		8.47		12.49		13.15		10.75		9.37
TiO2		0.87		0.83		0.72		0.43		0.54		0.50
Fe2O3		7.43		3.28		4.51		8.18		4.06		4.77
CaO		19.23		27.99		13.53		10.06		18.96		11.04
MgO		4.30		4.49		2.93		3.27		4.22		2.55
Na2O		1.53		3.18		3.19		5.90		3.08		2.98
K2O		5.36		8.86		4.78		5.04		6.26		6.40
SO3		1.74		2.00		1.92		2.10		2.06		1.80
P2O5		1.50		2.57		0.88		1.90		1.47		1.04
CO2		6.05		6.07
Undetermined				3.45		-0.07		-2.58		3.00		4.05
TOTAL		100.00		100.00		100.07		100.00		100.00		100.00
Alkali, Lb/MMBtu		0.34		0.36		0.53		0.66		0.93		0.95

Last Updated: 2/27/96

Analyst/Contact: Tom Miles, Jr.
T. R. Miles, Consulting Design Engineer, Portland, Oregon U.S.A.