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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.
| 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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