Nitrogen Oxides
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Reasons for Concern regarding Nitrogen Oxides and Air Pollution

Nitrogen Oxides

• are one of the main ingredients involved in the formation of ground-level ozone, which can trigger serious respiratory problems.

• reacts to form nitrate particles, acid aerosols, as well as NO₂, which also cause respiratory problems.

• contributes to formation of acid rain.

• contributes to nutrient overload that deteriorates water quality.

• contributes to atmospheric particles, that cause visibility impairment most noticeable in national parks.

• reacts to form toxic chemicals.

• contributes to global warming.

Nitrogen oxides and the pollutants formed from NOx can be transported over long distances, following the pattern of prevailing winds in the U.S. This means that problems associated with nitrogen oxides are not confined to areas where nitrogen oxides are emitted. 

Therefore, controlling nitrogen oxides is often most effective if done from a regional perspective, rather than focusing on sources in one local area.

Nitrogen Oxides emissions are increasing.

Since 1970, EPA has tracked emissions of the six principal air pollutants - carbon monoxide, lead, nitrogen oxides, particulate matter, sulfur dioxide, and volatile organic compounds. Emissions of all of these pollutants have decreased significantly except for nitrogen oxides which has increased approximately 10 percent over this period.

How can Nitrogen Oxides be Removed from the Environment?

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.

Austin, Texas

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CHP Systems (Cogeneration and Trigeneration) Plants 
Have Very  High Efficiencies, Low Fuel Costs & Low Emissions

The Effective Heat Rate is Approximately 
4100 btu/kW & System Efficiency is 92% Plant.

The CHP System below is Rated at 900 kW and Features:
(2) Natural Gas Engines @ 450 kW each on one Skid with Optional 
Selective Catalytic Reduction system that removes Nitrogen Oxides to "non-detect."

CHP Systems may be the best solution for your company's economic and environmental sustainability as we "upgrade" natural gas to clean power with our clean power generation solutions.  Emissions Abatement solutions reduce Nitrogen Oxides to "non-detect" which means our CHP Systems can be installed and operated in most EPA non-attainment regions!

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?

Selective Catalytic Reduction Systems (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.