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Table 1: Higher Heating Value (HHV) Of Various Fuels
Fuel  Phase   Molecular 
Weight
kJ/mol  MJ/kg   MJ/m3   Btu/lb   Btu/ft
Hydrogen [1] gas 2.016 286.84 141.79 12.75 60,986 324
Methane [1][2] gas 16.043 890.31 55.50 39.72 23,870 1,009
Ethane [1][2] gas 30.069 1,559.88 51.88 69.59 22,313 1,768
Propane [1][2] gas 44.096 2,220.05 50.35 99.05 21,654 2,516
Butane [1][2] gas 58.122 2,878.52 49.53 128.43 21,301 3,263
Ethanol [2] liquid 46.086 1,368.49 29.69 12,722
Gasoline [3] liquid 110 5,461.33 49.65 21,354
Kerosene [4] liquid 175 8,084.99 46.20 19,871
Diesel oil [4] liquid 225 10,124.98 45.00 19,355
Coal [5] solid 13.33 340.98 25.58 11,002
Wood (dry) [6] solid 21.14 9,093
Peat (dry) [7] solid 22.09 9,500


Table 1: Lower Heating Value (HHV) Of Various Fuels
Fuel  Phase   Molecular 
Weight
kJ/mol  MJ/kg   MJ/m3   Btu/lb   Btu/ft
Hydrogen [1] gas 2.016 286.84 141.79 12.75 60,986 324
Methane [1][2] gas 16.043 890.31 55.50 39.72 23,870 1,009
Ethane [1][2] gas 30.069 1,559.88 51.88 69.59 22,313 1,768
Propane [1][2] gas 44.096 2,220.05 50.35 99.05 21,654 2,516
Butane [1][2] gas 58.122 2,878.52 49.53 128.43 21,301 3,263
Ethanol [2] liquid 46.086 1,368.49 29.69 12,722
Gasoline [8] liquid 110 5,461.33 49.65 21,354
Kerosene [4] liquid 175 8,084.99 46.20 19,871
Diesel oil [4] liquid 225 10,124.98 45.00 19,355
Coal [9] solid 13.33 340.98 25.58 11,002
Wood (dry) [10] solid 21.14 9,093
Peat (dry) [11] solid 22.09 9,500

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Perry, R.H. and Green, D.W. (Editors) (1997). Perry's Chemical Engineers' Handbook, 7th Edition. McGraw Hill. ISBN ISBN 0-07-049841-5. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 NIST Chemistry WebBook
  3. HHV assumed same as iso-octane in Perry's Chemical Engineers' Handbook
  4. 4.0 4.1 4.2 4.3 Average of various sources
  5. There are a great many different coals. The values given here are of a single, specific bituminous coal on an "as received" basis which includes the ash and inherent moisture content of the coal.
  6. Table 1: Higher heating values for wood (oven dried) The values in this table are the average of oven-dried woods from 29 different species of trees, as listed in this publication of the U.S. Forest Service Laboratory.
  7. Thermal and Catalytic Upgrading in a Fuel Context: Peat, Biomass and Alkenes Thesis by Christina Hornell, Chemical Engineering Dept., Royal Institute of Technology, Stockholm, Sweden, 2001
  8. HHV assumed same as iso-octane in Perry's Chemical Engineers' Handbook
  9. There are a great many different coals. The values given here are of a single, specific bituminous coal on an "as received" basis which includes the ash and inherent moisture content of the coal.
  10. Table 1: Higher heating values for wood (oven dried) The values in this table are the average of oven-dried woods from 29 different species of trees, as listed in this publication of the U.S. Forest Service Laboratory.
  11. Thermal and Catalytic Upgrading in a Fuel Context: Peat, Biomass and Alkenes Thesis by Christina Hornell, Chemical Engineering Dept., Royal Institute of Technology, Stockholm, Sweden, 2001