Biomedical Engineering Reference
In-Depth Information
TABLE 10.1
Comparison of Properties of Coal with Some Biomass
Upper Freeport
Spring Creek
Bryan
Biomass
Subbituminous Lignite Peat Pine bark
a
Forest Residue
b
Bagasse Rapeseed Expeller
c
Bituminous
Heating value (db), MJ/kg 31
28
14
21
B
20
Ash in fuel (db), %
13.4
5.7
50.4
NS
2.9
NS
NS
NS
SiO
2
59.6
32.6
62.4
32.1 39.0
11.6
73
0
Al
2
O
3
27.4
13.4
21.5
17.3 14.0
2.0
5.0
0
Fe
2
O
3
4.7
7.5
3.0
18.8
3.0
1.8
2.5
0.3
CaO
0.62
15.1
3
15.1 25.5
40
6.2
15.0
Na
2
O
0.42
7.41
0.59
0.5
1.3
0.6
0.3
0
K
2
O
2.47
0.87
0.92
1.4 6
9.2
3.9
22.8
P
2
O
5
0.42
0.44
3.7
4.4
1.0
41.1
Others
Rest
Rest
Rest
Rest Rest
Rest
Rest
Rest
ID (oxidizing)
C
1404
1510
1354
1210
a
High Ca, K, and low silica.
b
High silica and low Ca and K.
c
High Ca, K, and potassium and low silica.
ID, initial deformation temperature of ash. NS, not specified
Source: Kitto and Stultz (2005) and Hiltunen et al. (2008).
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