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ANALYSES OF COAL FROM BRUNEI DARUSSALAM
| Sample Number and Locality |
Proximate analysis (weight percent) |
Ultimate analysis (weight Percent) |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| As Received | Dry, ash-free | As Received | Dry, ash-free | ||||||||||||||
| Moisture | Ash |
Ash |
Volatiles |
Fixed |
Volatiles |
Fixed |
C |
H |
N |
S |
O |
C |
H |
N |
S |
||
| 1. Kianggeh Valley |
- | - | - | - | - | - | - | 70.3 | 5.4 | 0.7 | 1.2 | 20.0 | 72.0 | 5.5 | 0.7 | 1.2 | 20.6 |
| 2. Kianggeh Valley |
- | - | - | - | - | - | - | 54.3 | 5.0 | 1.0 | 1.1 | 24.2 | 63.3 | 5.9 | 1.2 | 1.3 | 28.3 |
| 3.Brooketon Colliery | 11.5 | 1.6 | - | 40.2 | 46.7 | 46.5 | 53.5 | - | - | - | - | - | - | - | - | - | - |
| 4.Kianggeh Valley |
12.8 | 2.5 | Brick red |
39.8 | 44.9 | 47.0 | 53.0 | 59.5 | 3.6 | 1.1 | 2.3 | 18.2 | 70.3 | 4.3 | 1.3 | 2.7 | 21.4 |
| 5.Kianggeh Valley |
10.6 | 5.1 | Buff | 41.8 | 42.5 | 49.6 | 50.4 | 60.4 | 4.5 | 1.2 | 1.2 | 17.0 | 71.7 | 5.35 | 1.5 | 1.4 | 20.0 |
| S. 5492 Tutong Valley |
14.3 | 3.6 | Brown | 39.4 | 42.7 | 48.0 | 52.0 | 58.3 | 4.38 | 1.11 | 2.21 | 16.1 | 71.03 | 5.34 | 1.35 | 2.69 | 19.59 |
| S. 5493 Tutong Valley |
9.5 | 4.2 | Dull, brick red |
38.7 | 47.6 | 44.9 | 55.1 | 64.1 | 4.9 | 1.36 | 0.72 | 15.22 | 74.27 | 5.68 | 1.58 | 0.83 | 17.64 |
| S. 5889 Ingei River |
9.4 | 2.2 | Buff | 44.1 | 44.3 | 49.9 | 50.1 | 1.88 | |||||||||
| S. 5593 Topi River |
7.4 | 1.9 | Buff | 43.0 | 47.7 | 47.4 | 52.6 | 0.82 | |||||||||
| S. 5597 Topi River |
6.8 | 1.5 | Buff | 45.1 | 46.6 | 49.2 | 50.8 | 0.36 | |||||||||
| Tutong (brown lignite) |
28.6 | 5.9 | 31 | 34.5 | |||||||||||||
| Tutong (brown lignite) |
19 | 10.5 | 35.3 | 35.2 | |||||||||||||
| Tutong (brown lignite) |
19.9 | 10.3 | 38.9 | 30.8 | |||||||||||||
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