Wood Fuels: Energy Crops

fuelsc4.xls

Fuel	Willow		Willow		Willow		Willow		Willow		Willow		Willow		Willow
Type	SV1-3Yr		SV1-1Yr		SP3-1Yr		SH3-1Yr		SA22-1Yr		SA22-3Yr		SA22-Top		SA22-Butt
	As Rec'd	Dry	As Rec'd	Dry	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	12.40	13.82	12.09	13.99	14.22	15.75	14.09	16.14	14.75	16.67	14.47	16.07	16.70	17.99	13.18	14.81
Volatile Matter	76.52	85.23	73.38	84.91	74.99	83.05	71.74	82.16	72.43	81.83	74.01	82.22	73.92	79.67	74.82	84.13
Ash	0.85	0.95	0.95	1.10	1.08	1.20	1.49	1.70	1.33	1.50	1.54	1.71	2.17	2.34	0.94	1.06
Moisture	10.23	--	13.58	--	9.71	--	12.68	--	11.49	--	9.98	--	7.21	--	11.06	--
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	100.00	100.00	100.00	100.00
Ultimate Analysis
Carbon	44.07	49.09	41.43	47.94	45.41	50.29	42.65	48.85	44.03	49.75	44.92	49.9	45.86	49.42	43.53	48.95
Hydrogen	5.29	5.89	5.05	5.84	5.43	6.01	5.27	6.04	5.31	6.00	5.31	5.9	5.47	5.89	5.38	6.05
Oxygen	39.21	43.69	38.39	44.43	37.85	41.93	37.24	42.64	37.18	42.01	37.63	41.81	38.28	41.27	38.73	43.54
Nitrogen	0.32	0.35	0.55	0.63	0.45	0.5	0.62	0.71	0.58	0.65	0.55	0.61	0.89	0.96	0.32	0.36
Sulfur	0.03	0.03	0.05	0.06	0.07	0.07	0.05	0.06	0.08	0.09	0.07	0.07	0.12	0.12	0.04	0.04
Ash	0.85	0.95	0.95	1.1	1.08	1.2	1.49	1.70	1.33	1.50	1.54	1.71	2.17	2.34	0.94	1.06
Moisture	10.23	--	13.58	--	9.71	--	12.68	--	11.49	--	9.98	--	7.21	--	11.06	--
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	100.00	100.00	100.00	100.00
HHV, Btu/lb	7,478	8,330	7,194	8,325	7,848	8,691	7,373	8,443	7,485	8,457	7,583	8,424	7,896	8,510	7,405	8,326
Chlorine %	<0.01	<0.01	<0.01	<0.01	<0.01	<0.01	<0.01	0.01	<0.01	0.01	<0.01	<0.01	<0.01	<0.01	<0.01	0.01
Water Soluble Alkalis %
Na2O	0.021	0.023	0.010	0.012	0.022	0.024	0.011	0.013	0.004	0.004	0.007	0.007	0.066	0.071	0.010	0.011
K2O	0.113	0.126	0.147	0.012	0.245	0.271	0.243	0.278	0.270	0.305	0.242	0.269	0.466	0.503	0.145	0.163
CaO
Elemental Composition
SiO2		8.08		16.76		2.83		1.11		1.89		2.35		2.05		1.82
Al2O3		1.39		3.01		0.12		0.09		0.16		1.41		1.97		1.48
TiO2		0.06		0.07		0.06		0.00		0.04		0.05		0.03		0.05
Fe2O3		0.84		0.85		0.42		0.21		0.30		0.73		0.35		0.49
CaO		45.62		34.83		36.51		40.48		32.00		41.20		34.18		44.68
MgO		1.16		2.46		1.54		3.04		7.67		2.47		2.98		2.16
Na2O		2.47		3.05		1.97		0.77		0.65		0.94		2.67		0.86
K2O		13.20		12.20		19.9		13.90		22.10		15.00		18.4		15.30
SO3		1.15		1.70		1.94		1.70		3.09		1.83		2.92		2.33
P2O5		10.04		10.36		12.9		8.16		11.68		7.40		7.1		7.18
CO2/other		13.67		17.58		19.85		27.10		17.65		18.24		22.64		18.34
Undetermined		2.32		-2.87		1.96		3.44		2.77		8.38		4.71		5.31
TOTAL		100.00		100.00		100.00		100.00		100.00		100.00		100.00		100.00
Alkali, Lb/MMBtu		0.18		0.20		0.30		0.30		0.40		0.32		0.58		0.21

Last Updated: 2/27/96

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