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Combustion - ENV 4101/5105 Elements of Air Pollution...

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Combustion Combustion Basics Basics ENV 4101/5105 Elements of Air Pollution Prepared by: Ying Li 09/13/11 1 Aerosol & Particulate Research Laboratory
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Combustion Basics Fuel Combustion Stoichiometry Air/Fuel Ratio Equivalence Ratio Air Pollutants from Combustion 09/13/11 2 Aerosol & Particulate Research Laboratory
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Fuel Gaseous Fuels Natural gas Refinery gas Liquid Fuels Kerosene Gasoline, diesel Alcohol (Ethanol) Oil Solid Fuels Coal (Anthracite, bituminous, subbituminous, lignite) Wood 09/13/11 3 Aerosol & Particulate Research Laboratory
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Fuel Properties of Selected Fuels CH 4 C 2 H 6 C 3 H 8 Other HC s H 2 S Heating Value (wt%) (10 6 J/m 3 ) Natural gas (No.1) 87.7 5.6 2.4 1.8 2.7 43.2 Natural gas (No.2) 88.8 6.4 2.7 2.0 0.0004 41.9 C H N O S Heating value (wt%) (10 6 J kg -1 ) Gasoline (No.2) 86.4 12.7 0.1 0.1 0.4-0.7 Carbon Volatile matter Moisture Ash Heating value (%) (%) (%) (%) (10 6 J kg -1 ) Anthracite (PA) 77.1 3.8 5.4 13.7 27.8 Bituminous (PA) 70.0 20.5 3.3 6.2 33.3 Subbituminous (CO) 45.9 30.5 19.6 4.0 23.6 Lignite (ND) 30.8 28.2 34.8 6.2 16.8 Data from Flagan and Seinfeld, Fundamentals of Air Pollution Engineering, 1988, Prentice-Hall.
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