Combustion Values Fuel Gases

Combustion values for some common fuel gases - natural gas, propane and butane - Btu per cubic feet

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Combustion or heating values for some common fuel gases are indicated in the table below.

1 Btu/ft³ = 8.9 kcal/m³ = 3.73x10⁴ J/m³

Fuel Gas	Combustion Value		Specific Gravity
Fuel Gas	(Btu/ft³)	(kJ/m³)	Specific Gravity
Blast furnace gas	92	3400	1.02
Butane	3184	118600	2 (heavier than air)
Coke oven	570	21200	0.40
Manufactured Gas	500 - 600	18600 - 22300
Natural Gas	950 - 1150	35000 - 42800	0.660 - 0.708 (lighter than air)
Propane	2504	93300	1.77 (heavier than air)
Propane-Butane Mix	2500 - 3200	93000 - 119000
Produces Bituminous	163	6000	0.86

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Related Topics

Combustion Boiler house topics - fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency

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