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Fuel Gases - Heating Values
Combustion and heating values of fuel gases - acetylene, blast furnace gas, ethane, biogas and more - Gross and Net values
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Gross and Net heating values from combustion of common fuel gases are indicated in the table below:
| Gas | Gross Heating Value | Net Heating Value | ||
| (Btu/ft3) | (Btu/lb) | (Btu/ft3) | (Btu/lb) | |
| Acetylene (ethyne) - C2H2 | 1,498 | 21,569 | 1,447 | 20,837 |
| Benzene | 3,741 | 18,150 | 3,590 | 17,418 |
| Blast Furnace gas | 92 | 1,178 | 92 | 1,178 |
| Blue water gas | 6,550 | |||
| Butane - C4H10 | 3,225 | 21,640 | 2,977 | 19,976 |
| Butylene (Butene) | 3,077 | 20,780 | 2,876 | 19,420 |
| Carbon to CO2 | 14,150 | 14,150 | ||
| Carbon to CO | 3,960 | 3,960 | ||
| Carbon monoxide - CO | 323 | 4,368 | 323 | 4,368 |
| Carburetted Water Gas | 550 | 11,440 | 508 | 10,566 |
| Coal gas | 149 | 16,500 | ||
| Coke Oven Gas | 574 | 17,048 | 514 | 15,266 |
| Digester Gas (Sewage or Biogas) | 690 | 11,316 | 621 | 10,184 |
| Ethane - C2H6 | 1,783 | 22,198 | 1,630 | 20,295 |
| Ethyl alcohol saturated with water | 1,548 | 12,804 | ||
| Ethylene | 1,631 | 21,884 | 1,530 | 20,525 |
| Hexane | 4,667 | 20,526 | 4,315 | 18,976 |
| Hydrogen (H2) | 325 | 61,084 | 275 | 51,628 |
| Hydrogen Sulphide | 672 | 7,479 | ||
| Landfill Gas | 476 | |||
| Methane - CH4 | 1,011 | 23,811 | 910 | 21,433 |
| Methyl alcohol saturated with water | 818 | 9,603 | ||
| Naphthalene | 5,859 | 17,298 | ||
| Natural Gas (typical) | 950 - 1,150 | 19,500 - 22,500 | 850 - 1,050 | 17,500 - 22,000 |
| Octane saturated with water | 6,239 | 20,542 | 3,170 | 10,444 |
| Pentane | 3,981 | 20,908 | 3,679 | 19,322 |
| Producer gas | 2,470 | |||
| Propane - C3H8 | 2,572 | 21,564 | 2,371 | 19,834 |
| Propene (Propylene) - C3H6 | 2,332 | 20,990 | 2,181 | 19,630 |
| Propylene | 2,336 | 21,042 | 2,185 | 19,683 |
| Sasol | 500 | 14,550 | 443 | 13,016 |
| Sulphur | 3,940 | |||
| Toulene | 4,408 | 18,129 | 4,206 | 17,301 |
| Water Gas (bituminous) | 261 | 4,881 | 239 | 4,469 |
| Xylene | 5,155 | 18,410 | ||
- 1 Btu/ft3 = 8.9 kcal/m3 = 3.73x104 J/m3
- 1 Btu/lb = 2,326.1 J/kg = 0.55556 kcal/kg
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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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