What is Selective Catalytic Reduction?

Selective Catalytic Reduction (SCR) is a proven and effective method to reduce nitrogen oxides which is an air pollutant associated with the power generation process. Nitrogen oxides are a contributor to ground level ozone. How does Selective Catalytic Reduction work?

SCR Systems work similar to a catalytic converter used to reduce automobile emissions. Prior to exhaust gases going up the smokestack, they will pass through the SCR System where anhydrous ammonia reacts with nitrogen oxide and converts it to nitrogen and water. What is Dry Low NOx?

Dry low NOx refers to handling combustion that lowers Nitrogen Oxides during the combustion process. Typically, a Dry Low NOx combustion system pre-mixes fuel and air prior to ignition which significantly lowers emissions. * Some of the above information from the Department of Energy website with permission.

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