Research Article
Characterization of Some Nigerian Coals for Power Generation
Table 8
Ranking of five coal samples using the ASTM classification.
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Coal rank | Heating value criteria (Btu/lb) | Coal samples (heating value, Btu/lb) | |
[12] | Odagbo (9,715.74) | Owukpa (11,396.65) | Ezimo (9,010.70) | Amansiodo (11,813.65) | Inyi (8,335.76) |
| | Bituminous high volatile B | 13,000–14,000 | | | | | | | Bituminous high volatile C | 10,500–13,000 | | | | ✓ | | | Subbituminous A | 10,500–11,500 | | ✓ | | | | | Subbituminous B | 9,500–10,500 | ✓ | | | | | | Subbituminous C | 8,300–9,500 | | | ✓ | | ✓ | | Lignite A | 6,300–8,300 | | | | | | | Lignite B | <6,300 | | | | | |
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