Table 31.4 - Typical emissions of nitrogen oxides from stationary combustion sources with and without nitrogen oxide emission control (g/GJ)

Source: Compiled by NILU

 UncontrolledControlled
Process and
combustion
modifications		 Non-catalytic
selective
removal		 Catalytic
selective
removal
Investment (ECU/kW) 20­40 5­11 50­100
Coal, wet bottom500­800400­650 no data <70
Coal, dry bottom 300­500 160­300 70­150 <70
Brown coal 160­270 70­100 <70 <70
Heavy fuel oil 200­530 100­150 50­70 <50
Distillate fuel oil 100­35050­100 no data <50
Gas 40­280 30­100 no data <30
Fluidised bed combustion 70­25060­140   no data
Pressurised fluidised bed combustion90  no data
Turbine/boiler 1000­2500 25­200  7