Nox is majourly a function of Burner & then a Boiler.
Mainly in retrofit market Nox commitment can be achieved by changing burner design & Burner refractory.
Type of Nox
1. Thermal Nox Contributes to 80% of Total Nox
2. Instant Nox Contributes to 15% of Total Nox
3. Fuel Nox Contributes to 5% of Total Nox
I’ll write in details later..