Figure 2 : Estimated Compliance Costs for a 500 MW Boiler
Strategy |
Technology |
lbs NOx∕mmBtu |
N |
No Retrofit |
0.42 |
SN |
Selective Non-Catalytic Reduction (SNCR) |
0.34 |
CM |
Combustion Modification |
0.33 |
Ll |
Low NOx Burners with overfire air option l |
0.3l |
L2 |
Low NOx Burners with overfire air option 2 |
0.28 |
L3 |
Low NOx Burners with overfire air options l&2 |
0.26 |
SC |
Selective Catalytic Reduction (SCR) |
0.l3 |
L3S |
L3 + SCR |
0.ll |
38