A B C D E F G H I J K L M N O P Q R S T U V
1 Emission Limits for Existing Boilers (Units with heat input capacity of 10 million Btu per hour or greater)
2     PM HCl Hg CO D/F
3 Fuel Boiler NACAA Original Major Area NACAA Original Major Area NACAA Original Major Area NACAA Original Major Area NACAA Original Major Area
4 Type Type lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu lbs/MMBtu ppm ppm ppm ppm ng/dscm ng/dscm ng/dscm ng/dscm
5 Coal   0.008-0.012 0.070 0.020 None 0.015-0.030 0.090 0.020   4.5E-06-7.5E-06 9.0E-06 3.0E-05 3.0E-05 35-60 None   310        
6 Coal Pulverized                             90   None None 0.004  
7 Coal Stoker                             50   None None 0.003  
8 Coal Fluidized Bed                             30   None None 0.002  
9 Biomass   0.01-0.02 0.07 0.02 None 0.006-0.012 0.090 0.006   2.5E-06-4.5E-06 None 9.0E-06   100-150 None   160        
10 Biomass Stoker                             560   None None 0.004  
11 Biomass Fluidized Bed                             250   None None 0.020  
12 Biomass Suspension/Dutch Oven                           1,010   None None 0.030  
13 Biomass Fuel Cells                             270   None None 0.020  
14 Liquid   0.015-0.025 None 0.004 None 0.0060 0.0900 0.0009   None None 4.0E-05   3-10 None 1 2 None None 0.002  
15 Other Gases*   None None 0.05 None None None 0.000003   None None 2.0E-06   3-10 None 1   None None 0.009  
16 *Does not include natural gas or refinery gas                                      

Boiler MACT summary

  A B C D E
1   PM PM
2 Fuel Type NACAA Original Major Major
3   lbs/MMBtu lbs/MMBtu lbs/MMBtu gr/dscf
4 Coal 0.008-0.012 0.070 0.020 0.012
5 Biomass 0.01-0.02 0.07 0.02 0.011
6 Liquid 0.015-0.025 None 0.004 0.003
7 Other Gases* None None 0.05  
8 *Does not include natural gas or refinery gas        
10 Combustion Data: Fuel Gas Fuel Oil Coal  
11 Higher heating value, Btu / scf 1,093      
12 Higher heating value, Btu / gallon   150,000    
13 Higher heating value, Btu / pound     8,020  
14 Amount of dry exhaust gas, scf / MMBtu of fuel 9,510 10,600 12,130  
15 CO2 in dry exhaust gas, volume % 10.8  14.0  15.5   
16 O2 in dry exhaust gas, volume % 2.5  2.9  3.8   
17 Molecular weight of dry exhaust gas 29.9 30.4 30.8  
18 http://www.air-dispersion.com/formulas.html#flow        
20 Combustion air and flue gas for some common fuel gases, solids and fluids are indicated in the table below:
21 Fuel Theoretical air for combustion Theoretical flue gas
22 Volume at standard pressure Volume at standard pressure
23 Solids (m3/kg) (ft3/lb) (m3/kg) (ft3/lb)
24 Anthracite 9.4 150 9.5 152
25 Bituminous coal 6.9 110 7 112
26 Lignite 5.7 92 8.4 93
27 Wood (dry) 4.4 70 5 80
28 Gas (m3air/m3fuel) (ft3air/ft3fuel) (m3air/m3fuel) (ft3air/ft3fuel)
29 Butane C4H10 31 31 27 27
30 Natural gas 9.5 9.5 8.5 8.5
31 Propane C3H8 24 24 22 22
32 Fluids (m3air/literfuel) (ft3air/galfuel) (m3air/literfuel) (ft3air/galfuel)
33 Gas oil 9.8 1570 10.4 1670
34 Heavy fuel oil 10.8 1730 11.6 1860
35 http://www.engineeringtoolbox.com/fuels-air-flue-gas-d_170.html      
37 Fuel Higher Calorific Value    
38 (Gross Calorific Value - GCV)    
39 kJ/kg Btu/lb    
40 Anthracite 32,500 - 34,000 14,000 - 14,500    
41 Bituminous coal 17,000 - 23,250 7,300 - 10,000    
42 Coal 15,000 - 27,000 8,000 - 14,000    
43 Diesel 44,800 19,300    
44 Gasoline 47,300 20,400    
45 Methane 55,530      
46 Petroleum 43,000      
47 Propane 50,350      
48 Wood (dry) 14,400 - 17,400 6,200 - 7,500 Use 6,200 Btu/lb wood
49   kJ/l Btu/gal    
50 Gas oil 38,000 164,000    
51 Heavy fuel oil 41,200 177,000    
52 Kerosene 35,000 154,000    
53 1 kJ/kg = 0.4299 Btu/ lbm = 0.23884 kcal/kg        
54 1 Btu/lbm = 2.326 kJ/kg = 1.8 kcal/kg        
55 http://www.engineeringtoolbox.com/fuels-higher-calorific-values-d_169.html      

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