How does Selective Catalytic Reduction work?

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How does SCR work?
Catalysts perform by lowering the temperature required to allow a chemical reaction to occur. In this case, a reduced nitrogen compound (ammonia or urea) is introduced into the air. The "oxidized" chemical (NO or NO2 or both) then reacts with the other nitrogen compound forming elemental nitrogen and water.
The common sources of neutralizing chemical are either ammonia, which is a gas at room temperature, ammonia solution or urea, which is dissolved in water and must be heated to very high temperatures and atomized into the air.

Branch Environmental supplies custom built pollution control equipment for industry. Our air pollution control equipment can clean up acids, organics, aerosols and mist to meet any emission control standards. Our equipment is also used for water treatment, including removal of volatile organics, ammonia and other gases.