Grasses and Straws: Tropical and Temperate Energy Crops

fuelsc5.xls

Fuel	Sugar Cane		Bana Grass		Switchgrass		Switchgrass		Switchgrass		Buffalo Gourd
Type	Bagasse, HI		HI, Immature		Summer-MM, MN		Dakota Leaf, MN		Columbus, OH		Albuquerque NM
	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	10.70	11.95	15.93	16.68	12.47	14.37	13.14	15.03	12.93	14.34	12.26	13.63
Volatile Matter	76.72	85.61	70.13	73.44	71.93	82.94	71.07	81.36	69.14	76.69	73.57	81.74
Ash	2.19	2.44	9.43	9.88	2.33	2.69	3.15	3.61	8.09	8.97	4.17	4.63
Moisture	10.39	--	4.51	--	13.27	--	12.64	--	9.84	--	10.00	--
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	43.59	48.64	43.02	45.06	41.21	47.51	41.45	47.45	42.09	46.68	39.42	44.24
Hydrogen	5.26	5.87	5.18	5.42	5.03	5.80	5.02	5.75	5.25	5.82	5.53	6.14
Oxygen	38.39	42.85	36.95	38.69	37.81	43.60	37.02	42.37	33.87	37.57	38.05	42.30
Nitrogen	0.14	0.16	0.80	0.84	0.31	0.36	0.65	0.74	0.69	0.77	2.20	2.44
Sulfur	0.04	0.04	0.11	0.11	0.04	0.04	0.07	0.08	0.17	0.19	0.23	0.25
Ash	2.19	2.44	9.43	9.88	2.33	2.69	3.15	3.61	8.09	8.97	4.17	4.63
Moisture	10.39	--	4.51	--	13.27	--	12.64	--	9.84	--	10.00	--
TOTAL	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	99.60	100.00
HHV, Btu/lb	7,317	8,166	7,193	7,533	6,920	7,979	7,001	8,014	7,002	7,766	7,017	7,797
Chlorine %	0.03	0.03	0.79	0.83	<0.01	0.01	0.03	0.03	0.17	0.19		.
Water Soluble Alkalis %
Na2O			0.016	0.017	0.004	0.004	0.003	0.003
K2O			3.520	3.686	0.134	0.154	0.208	0.238
CaO
Elemental Composition
SiO2		46.61		33.65		61.64		61.23		65.18		7.17
Al2O3		17.69		0.80		1.32		0.57		4.51		1.54
TiO2		2.63		0.07		0.19		0.37		0.24		0.05
Fe2O3		14.14		0.63		1.08		0.79		2.03		0.74
CaO		4.47		3.57		11.11		12.06		5.60		12.10
MgO		3.33		1.71		4.86		5.42		3.00		4.30
Na2O		0.79		0.38		0.64		0.43		0.58		5.09
K2O		4.15		42.80		8.24		7.63		11.60		34.00
SO3		2.08		0.85		0.80		1.11		0.44		8.13
P2O5		2.72		2.74		3.09		3.56		4.50		9.00
CO2/other				8.97								14.17
Undetermined		1.39		3.83		7.03		6.83		2.32		3.71
TOTAL		100.00		100.00		100.00		100.00		100.00		100.00
Alkali, Lb/MMBtu		0.15		5.66		0.30		0.36		1.41		2.32

Last Updated: 2/27/96

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