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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	*(m³_air/m³_fuel)*	*(ft³_air/ft³_fuel)*	*(m³_gas/m³_fuel) ¹⁾*	*(ft³_gas/ft³_fuel) 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	*(m³_air/liter_fuel)*	*(ft³_air/gal_fuel)*	*(m³_air/liter_fuel)*	*(ft³_air/gal_fuel)*
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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Related Topics

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