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FUEL
PROPERTIES: From
Reed, Jamie & Andries |
|
|
|
|
LHV-base |
HHV-base |
|
LHV-base |
|
HHV-base |
LHV-base |
LHV-base |
LHV-base |
HHV-base |
HHV-base |
HHV-base |
|
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Mass |
|
|
|
Mass |
|
Volumetric |
|
Volumetric |
|
Relative |
Relative |
Relative |
|
Relative |
Relative |
Relative |
|
|
|
|
|
|
|
ref
nr |
FUEL
TYPE |
Density |
Moisture |
Ash* |
Energy
Density |
|
Energy
Density |
|
Energy
Density |
|
Mass |
Bulk
Vol. |
Bulk
Vol. |
|
Mass |
Bulk
Vol. |
Bulk
Vol. |
|
Unit** |
Cost |
Co2 Emissions |
|
|
|
|
|
kg/m3 |
% MC |
% |
MJ/kg
or GJ/ton |
|
GJ/m3 |
|
GJ/m3 |
|
Ener.
Dsy |
Ener.Dsy |
Multiplier |
|
Ener.
Dsy |
Ener.Dsy |
Multiplier |
|
Cost $ |
$/Gj |
kg/Gj1 |
kg/Gj2 |
|
|
|
|
solid |
bulk |
|
|
|
|
|
Solid |
bulk |
|
Solid |
bulk |
|
(to coal AW) |
(to coal AW) |
(to coal AW) |
|
(to coal TR) |
(to coal TR) |
(to coal TR) |
|
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|
|
|
1 |
Brown Coal
- VIC |
1120 |
860 |
62.5 |
2 |
8.0 |
|
|
9.0 |
6.9 |
|
|
|
|
0.33 |
0.34 |
2.97 |
|
|
|
|
|
5/t |
0.63 |
93.3 |
87.7 |
|
|
2 |
Black Coal
- NSW |
1450 |
940 |
8 |
22 |
24.0 |
|
|
34.8 |
22.6 |
|
|
|
|
1.00 |
1.11 |
0.90 |
|
|
|
|
|
30/t |
1.25 |
90.7 |
89.4 |
|
|
3 |
Petrol |
|
n/a |
<1 |
<1 |
34.2/l |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.73/l |
21.35 |
|
71.3 |
|
|
4 |
Auto Diesel |
842 |
n/a |
<1 |
<1 |
45.7 |
|
|
38.5 |
|
|
|
|
|
1.90 |
|
|
|
|
|
|
|
0.74/l |
19.25 |
69.7 |
74.9 |
|
|
5 |
LPG |
|
n/a |
<1 |
<1 |
26.2/l |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
59.4 |
64.7 |
|
|
6 |
Natural Gas |
n/a |
n/a |
<1 |
<1 |
37.2/l |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
n/a |
13.81 |
50.9 |
59.4 |
|
|
7 |
Sawdust
(wet) |
1100 |
367 |
50% |
<1
variable |
11.85 |
|
|
13.0 |
4.3 |
|
|
|
|
0.49 |
0.21 |
4.69 |
|
|
|
|
|
20/t |
1.69 |
90.0 |
|
|
|
8 |
Sawdust
(air dry) |
800 |
267 |
10% |
<1
variable |
17.06 |
|
|
13.6 |
4.6 |
|
|
|
|
0.71 |
0.22 |
4.48 |
|
|
|
|
|
20/t |
|
90.0 |
|
|
|
9 |
Woodchips
(wet) |
1100 |
550 |
50% |
<1
variable |
11.85 |
|
|
13.0 |
6.5 |
|
|
|
|
0.49 |
0.32 |
3.13 |
|
|
|
|
|
35/t |
2.95 |
90.0 |
|
|
|
10 |
Woodchips
(forest dry) |
800 |
400 |
10% |
<1
variable |
17.06 |
|
|
13.6 |
6.8 |
|
|
|
|
0.71 |
0.33 |
2.99 |
|
|
|
|
|
35/t |
|
90.0 |
|
|
|
11 |
Wood Pellets |
n/a |
705 |
6+- 2% |
0.33
to 1 |
19.75 |
|
|
|
13.9 |
|
|
|
|
0.82 |
0.68 |
1.47 |
|
|
|
|
|
165/t |
8.35 |
90.0 |
|
|
|
12 |
US Forest
Residues |
n/a |
340 |
50% |
<1
variable |
11.6 |
|
|
|
3.9 |
|
|
|
|
0.48 |
0.19 |
5.17 |
|
|
|
|
|
38/t |
1.64 |
90.0 |
|
|
|
13 |
Bagasse (wet) |
|
|
50% |
|
8.2 |
|
|
|
|
|
|
|
|
0.34 |
|
|
|
|
|
|
|
|
|
|
|
|
|
14 |
Bagasse (air
dry) |
|
|
13% |
|
16.2 |
|
|
|
|
|
|
|
|
0.68 |
|
|
|
|
|
|
|
|
|
|
|
|
|
15 |
Charcoal |
|
|
5% |
|
30 |
|
|
|
|
|
|
|
|
1.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
16 |
Torrefied
Wood |
600 |
300 |
10% |
<1
variable |
21.5 |
|
|
12.9 |
6.5 |
|
|
|
|
0.90 |
0.32 |
3.16 |
|
|
|
|
|
n/a |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
17 |
Internatl
steam coal |
|
850 |
|
|
24 |
|
|
|
20.4 |
|
|
|
|
1.00 |
1.00 |
1.00 |
|
|
|
|
|
|
|
|
|
|
|
18 |
Loose saw
dust (dry) |
|
200 |
|
|
18 |
|
|
|
3.6 |
|
|
|
|
0.75 |
0.18 |
5.67 |
|
|
|
|
|
|
|
|
|
|
|
19 |
Wood pellets (dry) |
1300 |
650 |
|
|
18 |
|
|
23.4 |
11.7 |
|
|
|
|
0.75 |
0.57 |
1.74 |
|
|
|
|
|
|
|
|
|
|
|
20 |
Torrefied
pellets |
1300 |
650 |
3% |
|
22 |
|
|
28.6 |
14.3 |
|
|
|
|
0.92 |
0.70 |
1.43 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
21 |
softwood
chips (dry) |
|
190 |
7% |
|
|
20 |
|
|
|
|
|
3.8 |
|
|
|
|
|
0.62 |
0.11 |
9.42 |
|
|
|
|
|
|
|
22 |
HD
1/4"sawdust pellets |
|
680 |
|
|
|
20 |
|
|
|
|
|
13.6 |
|
|
|
|
|
0.62 |
0.38 |
2.63 |
|
|
|
|
|
|
|
23 |
3/8"
peanut shell pellets |
|
650 |
|
|
|
19.8 |
|
|
|
|
|
12.9 |
|
|
|
|
|
0.61 |
0.36 |
2.78 |
|
|
|
|
|
|
|
24 |
Corn |
|
760 |
|
|
|
19 |
|
|
|
|
|
14.4 |
|
|
|
|
|
0.58 |
0.40 |
2.48 |
|
|
|
|
|
|
|
25 |
Soybeans |
|
770 |
|
|
|
21 |
|
|
|
|
|
16.2 |
|
|
|
|
|
0.65 |
0.45 |
2.21 |
|
|
|
|
|
|
|
26 |
Coconut
shells 1/4" |
|
540 |
|
|
|
20.5 |
|
|
|
|
|
11.1 |
|
|
|
|
|
0.63 |
0.31 |
3.23 |
|
|
|
|
|
|
|
27 |
Coal
bitumous |
|
1100 |
|
|
|
32.5 |
|
|
|
|
|
35.8 |
|
|
|
|
|
1.00 |
1.00 |
1.00 |
|
|
|
|
|
|
|
28 |
Biodiesel |
920 |
|
|
|
|
41.2 |
|
|
|
|
37.9 |
|
|
|
|
|
|
1.27 |
|
|
|
|
|
|
|
|
|
29 |
Diesel |
880 |
|
|
|
|
45.7 |
|
|
|
|
40.2 |
|
|
|
|
|
|
1.41 |
|
|
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|
*
Percentages by weight. |
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|
Mass
energy density (in MJ/kg or GJ/ton) and Solid and Bulk
Volumetric density (in GJ/m3) on Low Heat Value or High
Heat Value |
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|
Costs
- Unit cost for Black and Brown coal from Brockway
(1997). |
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Energy
density - effects volume of throughput required,
storage, cost of transport per btu etc |
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|
Figures
for Wood Pellets based on 8500 btu/lb.
Wood pellets range in energy from just under 8000
to almost 9000 btu/lb. |
|
|
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|
Figures
for sawdust and woodchips are based on an energy value
for oven dry eucalypt hardwood of about 19Kj/g.
Figures |
|
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|
for
energy value by weight for softwoods such as pine, would
be about 10% higher. |
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Figures
were converted to energy values at various moisture
contents |
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using
the formula EV (energy value @ mc%)
= EV(od)*(100-(MC/8))/(100+MC) |
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Density
of wood reflect approximate averages for common East
coast Australian hardwoods. Green density varies
considerably |
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less
than air dry density (700- to 900+), relfecting
variation in moisture contents of 'green' timber. |
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Bulk
Density of woodchips and sawdust are taken to be 50% and
33% of the original woods density respectively. |
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1
- Co2 emission factors from www.gas.asn.Australia/gas1.htm |
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2
- Co2 emission factors from Oz inst energy site |
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35.315 |
cu
foot per cu metre |
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|
1055.056 |
joules
per btu |
British
thermal units(International table)x 1055.056 |
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Btu
(th) x 1054.350 |
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|
Btu
(mean) x
1055.87 |
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**
- Unit cost is the cost of the fuel to the end user in
units common for that fuel. |
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Hence
coal is cost to power station, petrol to consumers etc.
Pellet costs are USD. |
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^
- Bulk densities for coal as sized for transporting on
conveyors. |
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In
terms of value on the world market, 1 green tonne of
woodchips is worth $75/tonne, |
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compared
with $60 for coal and $30 for iron ore |
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FUEL
SOURCE references |
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1 |
Pers
Comm Mr. Michael Laird Mine Strategy Manager Loy Yang
Power - email 31 Oct 2000 |
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2 |
Pers
Comm Ross Shirtly - Sevices Manager Eraring Power
Station, email 2/11/00. |
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|
Pers
Comm Ministry of Energy & Utilities - Pers Comm 31
Oct 2000 |
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3 |
Australian
Institiute of Energy web site - www.aie.org.Australia/melb/material/resource/fuels.htm |
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4 |
Australian
Institiute of Energy web site - www.aie.org.Australia/melb/material/resource/fuels.htm |
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5 |
Energy
value from OzInst energy av of two figures given. |
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6 |
Gross
calorific value after extraction of NGL's
WEC 2000. Price
(1998) from Energy at a Glance 1999 NSW |
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7 |
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8 |
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9 |
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10 |
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11 |
from
Pellet Flame web site - www.pelletflame.com/pelletanalysis.htm,
price averige retail from |
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Pellet
Fuels Inst Arlington, VA USA in $US |
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energy
varies by +- 6% depending on fuel quality |
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12 |
Pers
Comm Steve Jolley Dec1 00 @ 38$ per bdt |
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13 |
Energy
and mc from Greenhouse Gas Assessment handbook |
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14 |
Energy
and mc from Greenhouse Gas Assessment handbook |
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15 |
5mc
and 29 according to GGAH |
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16 |
Assumed
a 20% weight loss TW from "forest dry" chips. |
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17 |
approximate
plant data from A. Weststeijn |
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18 |
approximate
plant data from A. Weststeijn |
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19 |
approximate
plant data from A. Weststeijn |
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20 |
data
from Tom Reed via A.Weststeijn |
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21 |
data
from Tom Reeds posting of May 28th, 2001 |
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22 |
data
from Tom Reeds posting of May 28th, 2001 |
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23 |
data
from Tom Reeds posting of May 28th, 2001 |
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24 |
data
from Tom Reeds posting of May 28th, 2001 |
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25 |
data
from Tom Reeds posting of May 28th, 2001 |
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26 |
data
from Tom Reeds posting of May 28th, 2001 |
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27 |
data
from Tom Reeds posting of May 28th, 2001 |
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28 |
data
from Tom Reeds posting of May 28th, 2001 |
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29 |
data
from Tom Reeds posting of May 28th, 2001 |
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