Biomedical Engineering Reference
In-Depth Information
The sulfur content of lignocellulosic biomass is exceptionally low, which
is a major advantage in its utilization in energy conversion when SO
2
emis-
sion is taken into account. To reduce SO
2
emission from the combustion of
sulfur-bearing fuels, such as fuel-oil, coal, and petcoke, one can use limestone.
Theoretically, for every mole of sulfur captured, only 1 mol of limestone
TABLE 3.10
Comparison of Ultimate Analysis (dry basis) of Some Biomass
and its Comparison with Other Fossil Fuels
C
(%)
H
(%)
N
(%)
S
(%)
O
(%)
Ash
(%)
HHV
(kJ/kg)
Source
Maple
50.6 6.0
0.3
0
41.7
1.4
19,958
Tillman (1978)
Douglas fir 52.3
6.3
9.1
0
40.5
0.8
21,051
Tillman (1978)
Douglas fir
(bark)
56.2 5.9
0
0
36.7
1.2
22,098
Tillman (1978)
Redwood
53.5 5.9
0.1
0
40.3
0.2
21,028
Tillman (1978)
Redwood
waste
53.4 6.0
39.9
0.1
0.1
0.6
21,314
Sewage
sludge
29.2 3.8
4.1
0.7
19.9
42.1
16,000
Straw-rice
39.2 5.1
0.6
0.1
35.8
19.2
15,213
Tillman (1978)
Husk-rice
38.5 5.7
0.5
0
39.8
15.5
15,376
Tillman (1978)
SW
47.2 6.5
0
0
45.4
1.0
20,502 Wen et al. (1974)
Paper
43.4 5.8
0.3
0.2
44.3
6.0
17,613
Bowerman (1969)
MSW
47.6 6.0
1.2
0.3
32.9
12.0
19,879
Sanner et al. (1970)
Animal
waste
42.7 5.5
2.4
0.3
31.3
17.8
17,167
Tillman (1978)
Peat
54.5 5.1
1.65 0.45 33.09
5.2
21,230
Lignite
62.5 4.38
0.94 1.41 17.2
13.4
24,451
Bituminous Coal
Research (1974)
PRB coal
65.8 4.88
0.86 1.0
16.2
11.2
26,436
Probstein and Hicks
(2006), p. 14
Anthracite
83.7 1.9
0.9
0.7
10.5
2.3
27,656
Basu et al. (2000),
p. 25
Petcoke
82
0.5
0.7
0.8
10.0
6.0
28,377
Basu et al. (2000),
p. 25
Source: Reed (2002).Fuel
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