www.epa.gov/ttn/chiefThe SCC defines:
1.
Process Material
2.
Process Rate Units10100226–External Combustion Boilers, Electric Generation, Bituminous/Subbituminous Coal,Pulverized Coal: Wet Bottom (Bituminous Coal)Company A
Company B
Pollutant
Estimated (tons)
Pollutant
Estimated (tons)
Carbon Monoxide
45.096
Carbon Monoxide
45.096
Nitrogen Oxides –NOx
45.243
Nitrogen Oxides -NOx
45.243
PM-10
1.504
Volatile Organics (non-HAP)
18.514
PM-2.5
1.504
Formaldehyde
0.286
Sulfur Oxides –SOx
0.05
total
109.139
Volatile Organics (non-HAP)
18.514
Acetaldehyde
0.149
Acrolein
0.194
Benzene
0.27
Formaldehyde
0.286
Hexane
0.134
Methanol
0.068
Toluene
0.366
Xylenes (mixed isomers)
0.051
total
113.429Size (microns)
Amount
PM-2.5
2.5
10
Amount
PM-10
10
0
0Front Half or Filterables
Back Half or CondensiblesD. < 100% Capturewith< 100% control Efficiencies
Operating Scenarios
A.
100% CaptureWith 100% control efficiencies
C. < 100% Capture With100% control Efficiencies
B. 100% CaptureWith < 100% control efficiencies40
41100.0 lbs/hr of PM generated
1
10.0 lbs/hr of PMemitted “not captured”
2
90.0 lbs/hr of PM “captured” sent to cyclone
3
4
Amount to Hopper 90.0 lbs/hr * 0.80 = 72.0 lbs/hr
5
90.0 lbs/hr –72 lbs/hr = 18.0 lbs/hr to the Baghouse
Amount emitted to the atmosphere18.0 lbs/hr –17.64 lbs/hr = 0.36 lbs/hr0.36 lbs/hr (stack emissions + 10.0 lbs/hr (“not captured, emitted as a fugitive) = 10.36 lbs/hr
7
6
Amount to Hopper18.0 lbs/hr * 0.98 = 17.64 lbs/hr