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A proximate analysis, as defined by ASTM, is the determination by prescribed methods of
moisture, volatile matter, fixed carbon (by difference) and ash. Proximate analyses for
some of the fuels we have tested in the MFC are indicated below.
Proximate Analyses
| Fuel Name |
Moisture (%
fuel) |
Ash (% dry fuel) |
Volatile Matter (% dry fuel) |
Fixed Carbon (% dry fuel) |
| Antelope |
23 |
5.51 |
43.3 |
51.2 |
| Belle
Ayr |
25 |
6.84 |
48.2 |
45.8 |
| Beulah
Lignite |
26.89 |
13.86 |
42.78 |
43.36 |
| Black
Thunder |
21.3 |
6.46 |
54.26 |
39.28 |
| Blind
Canyon |
3.3 |
10.4 |
43.58 |
46.03 |
| Cabajo
Rojo |
0 |
0 |
0 |
0 |
| Coal
Creek |
0 |
0 |
0 |
0 |
| Cordero |
0 |
0 |
0 |
0 |
| Decker |
17.99 |
5.11 |
44.03 |
50.87 |
| Eagle
Butte |
23.74 |
6.4 |
45.55 |
48.05 |
| Eastern
Kentucky |
1.17 |
10.154 |
36.82 |
53.03 |
| Gascoigne
Wood Coal |
0 |
0 |
0 |
0 |
| Hanna
Basin |
11 |
11.05 |
38.4 |
50.6 |
| Illinois
#6 (1) |
11.83 |
10.13 |
40.95 |
48.91 |
| Illinois
#6 (2) |
2.54 |
12.33 |
39.4 |
48.28 |
| Kentucky
#11 |
3.97 |
22.21 |
34.97 |
42.82 |
| Kentucky
#9 |
8.3 |
14.64 |
37.88 |
47.47 |
| Monterey |
0 |
0 |
0 |
0 |
| N.
Antelope |
0 |
0 |
0 |
0 |
| N.
Rochelle |
0 |
0 |
0 |
0 |
| Pittsburgh
#8 (1) |
1.02 |
10.68 |
40.16 |
49.16 |
| Pittsburgh
#8 (2) |
1.66 |
6.55 |
36.58 |
56.87 |
| Pittsburgh
#8 (3) |
1.08 |
9.001666667 |
38.22 |
52.64 |
| Pittsburgh
#8 (4) |
0 |
0 |
0 |
0 |
| Pocahontas
#3 |
0.62 |
4.51 |
18.49 |
77 |
| Roland |
9.89 |
6.29 |
44.52 |
49.2 |
| San
Miguel Lignite |
18.5 |
52.178 |
30.62 |
17.42 |
| Upper
Freeport |
0.74 |
21.66 |
24.09 |
54.25 |
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