Gases - Gross and Net Heat Values
Gross heating and net heating values for some common gases can be found in the table below:
Gas | (kcal/kg) | (kcal/nm3) 1) | ||
---|---|---|---|---|
Gross Heating Values | Net Heating Values | Gross Heating Values | Net Heating Values | |
Hydrogen | 33889 | 28555 | 3050 | 2570 |
Methane | 13284 | 11946 | 9530 | 8570 |
Ethane | 12400 | 11350 | 16700 | 15300 |
Ethylene | 12020 | 11270 | 15100 | 14200 |
Natural Gas - approximately | 12000 | 11000 | 9000 | 8000 |
Propane | 12030 | 11080 | 24200 | 22250 |
Propylene | 11700 | 10940 | 22400 | 20900 |
n-Butane | 11830 | 10930 | 31900 | 29400 |
Iso-Butane | 11810 | 10900 | 31700 | 29200 |
Butylene-1 | 11580 | 10830 | 29900 | 27900 |
Iso-Pentane (liquid) | 11600 | 10730 | ||
LPG (average) | 11920 | 10997 | 28000 | 25775 |
Acetylene | 11932 | 11514 | 13980 | 13490 |
Carbon Monoxide | 2411 | 2411 | 3014 | 3014 |
1) nm3 = normal cubic metre
- 1 kJ/kg = 1 J/g = 0.4299 Btu/ lbm = 0.23884 kcal/kg
- Unit Converter
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