26/09/2018 · It reacts rapidly with oxygen to form nitrogen dioxide, NO₂. Nitrogen dioxide (NO₂) is a reddish-brown, highly reactive gas that has a strong odour, is a powerful oxidizing agent and is a major air pollutant. It is toxic, with 1.5ppm reported2 as
A Beginner's Guide to NOx, NO and NO2 as Air Pollutants
The principal nitrogen pollutants generated by boilers are nitric oxide (NO) and nitrogen dioxide (NO2), collectively referred to as NOx. The contribution from different NOx sources to the total NOx levels varies among metropolitan areas.
Module 106: Natural gas boiler flue gas recirculation to
The two main gases your gas condensing boiler produces are water vapour and carbon dioxide. Nitrogen oxide can also be created when the oxygen and nitrogen in the air are burned together. If your boiler isnt burning the gas correctly, carbon monoxide could be produced too. Boilers are made to be safe, and these gases shouldnt harm you.