Home > Electricity > Electricity Publications > Electric Power Annual 2000 Volume II > HTML Data Tables > Table A5
 Date of Data: 2000
 Report Released: November 2002
 Next Release Date: January 2003

Table A5. Sulfur Dioxide and Nitrogen Oxide Factors for Specific Fuels
Fuel Boiler Type/ Firing Configuration Emission Factors
Sulfur Dioxide1 Nitrogen Oxides2
Utility   lbs per 103 gal lbs per 103 gal
  Methanol all types 0.05 12.40
  Coal-Oil Mixture all types 185.00 x S 50.00
Nonutility    lbs per ton lbs per ton
  Agricultural Waste all types 0.08 1.20
  Black Liquor all types 7.00 1.50
  Chemicals all types 7.00 1.50
  Closed Loop Biomass all types 0.08 1.50
  Internal all types 0.08 1.50
  Liquid Acetonitrile Waste all types 7.00 1.50
  Pitch all types 30.00 x S 11.10
  Railroad Ties all types 0.08 1.50
  Red Liquor all types 7.00 1.50
  Spent Sulfite Liquor all types 7.00 1.50
  Straw all types 0.08 1.50
  Tar Coal all types 30.00 x S 11.10
  Tires all types 38.00 x S 21.70
  Waste Coal all types 38.00 x S 21.70
               lbs per 103 gal lbs per 103 gal
  Fish Oil all types 0.50 12.40
  Methanol all types 0.50 12.40
  Tar Oil all types 162.70 x S 67.00
  Waste Alcohol all types 0.50 12.40
                  lbs per 106 cf lbs per 106 cf
  Hydrogen all types 0.00 550.00
  Landfill Gas all types 0.60 550.00
  Methane all types 0.60 550.00
  Other Gas all types 0.60 550.00


1/ Uncontrolled sulfur dioxide emission factor.  "x S" indicates that the constant must be multiplied by the percentage (by weight) of sulfur in the fuel.  Sulfur dioxide emission estimates from facilities with flue gas desulfurization equipment are calculated by multiplying uncontrolled emission estimates by one minus the reported sulfur removal efficiencies.  Sulfur dioxide emission factors also account for small quantities of sulfur trioxide and gaseous sulfates.
2/ If bottom type is unknown, dry bottom is assumed.  Emission factors are for boilers with a gross heat rate of 100 million Btu per hour or greater.  See Table A6 for nitrogen oxide reduction factors used to calculate controlled nitrogen emission estimates.
       Sources: Nitrogen Oxide emission factors from Hydrogen, Landfill Gas, Methane, and Other Gas calculated from Environmental Protection Agency, Compilation of Air Pollutant Emission Factors, Volume I: Stationary Point and Area Sources, Fifth Edition (through Supplement E), Research Triangle Park, North Carolina, July, 1999.  All other fuels calculated by the Office of Integrated Analysis and Forecasting.


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   Roger Sacquety
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