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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 2.016 285.84 141.79 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 [3] liquid 46.068 1,375.01 29.85 12,837
Gasoline [3] liquid 110 5,013.47 45.58 19,603
Kerosene [4] liquid 175 8,084.99 46.20 19,871
Diesel oil [4] liquid 225 10,124.99 45.00 19,355
Coal [5] solid 25.58 11,002
Wood (dry) [6] solid 21.14 9,093
Peat (dry) [7] solid 22.09 9,500
-- The gas temperature and pressure for the values of MJ/m3 are 0 °C and 101.325 kPa.
-- The gas temperature and pressure for the values of Btu/ft3 are 60 °F and 14.696 psia.
-- LPG is marketed as propane or butanes or a mixture of propane and butanes. 
-- Natural gas, after removal of contaminants and natural gas liquids (NGL), is essentially pure methane.
Table 2: Lower Heating Value (HHV) Of Various Fuels
Fuel  Phase   Molecular 
Weight
kJ/mol  MJ/kg   MJ/m3   Btu/lb   Btu/ft
Hydrogen [1] gas 2.016 241.83 119.96 10.79 51,596 274
Methane [1] gas 16.043 802.32 50.01 35.80 21,511 909
Ethane [1] gas 30.069 1,427.84 47.49 63.70 20,424 1,618
Propane [1] gas 44.096 2,044.00 46.35 91.19 19,937 2,317
Butane [1] gas 58.122 2,658.45 45.74 118.61 19,673 3,013
Ethanol [3] liquid 46.0684 1,241.66 26.95 11,593
Gasoline [3] liquid 110 4,675.00 42.50 18,280
Kerosene [8] liquid 175 7,519.05 42.97 18,480
Diesel oil [8] liquid 225 9,395.99 41.76 17,961
Coal [8] solid 24.429 10,507
Wood (dry) [8] solid 20.09 8,639
Peat (dry) [8] solid 20.65 8,883
-- The gas temperature and pressure for the values of MJ/m3 are 0 °C and 101.325 kPa.
-- The gas temperature and pressure for the values of Btu/ft3 are 60 °F and 14.696 psia.
-- LPG is marketed as propane or butanes or a mixture of propane and butanes. 
-- Natural gas, after removal of contaminants and natural gas liquids (NGL), is essentially pure methane.

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 NIST Chemistry WebBook
  3. 3.0 3.1 3.2 3.3 Heating Values of Hydrogen and Fuels U.S. Department of Energy
  4. 4.0 4.1 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. 8.0 8.1 8.2 8.3 8.4 Estimated the difference between LHV and HHV