Fuels - Combustion Air and Flue Gases
Combustion air and flue gas for common fuels - coke, oil, wood, natural gas and more.
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Combustion air and flue gas for some common fuel gases, solids and fluids:
For full table with Theoretical Flue Gas - rotate the screen!
| Fuel | Theoretical air for combustion2) | Theoretical flue gas2) | ||
|---|---|---|---|---|
| Solids | (m3/kg) | (ft3/lb) | (m3/kg) | (ft3/lb) |
| Anthracite | 9.4 | 150 | 9.5 | 152 |
| Bituminous coal | 6.9 | 110 | 7 | 112 |
| Charcoal | 8.4 | 134 | 8.4 | 135 |
| Coke | 8.4 | 134 | 8 | 135 |
| Lignite | 5.7 | 92 | 8.4 | 93 |
| Peat | 5.7 | 92 | 5.9 | 94 |
| Semi anthracite | 8.4 | 135 | 8.6 | 137 |
| Wood (dry) | 4.4 | 70 | 5 | 80 |
| Gas | (m3air/m3fuel) | (ft3air/ft3fuel) | (m3gas/m3fuel) 1) |
(ft3gas/ft3fuel) 1) |
| Butane C4H10 | 31 | 31 | 33.4 | 33.4 |
| Natural gas | 9.5 | 9.5 | 10.5 | 10.5 |
| Propane C3H8 | 23.8 | 23.8 | 25.8 | 25.8 |
| Fluids | (m3air/literfuel) | (ft3air/galfuel) | (m3air/literfuel) | (ft3air/galfuel) |
| Gas oil |
9.8 |
1570 | 10.4 | 1670 |
| Heavy fuel oil | 10.8 | 1730 | 11.6 | 1860 |
1) Combustion of a fuel gas creates a flue gas with higher density than the fuel gas and the combustion air. Check stoichiometric combustion.
2) Volume at standard pressure
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