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SCR NOx Reduction


Selective Catalytic Reduction (SCR) for NOx Emissions

As flue gases are combusted in gas turbines and process furnaces, nitrogen oxide (NOx) is formed. Our Selective Catalytic Reduction (SCR) system is a post-combustion NOx control technology, which injects an ammonia (NH3) based reagent into the flue stream to reduce NOx emissions by up to 95%.

Our SCR designs are engineered to optimize efficiency, performance and reliability, while meeting stringent energy standards. They are adaptable for a wide range of temperatures, exhaust flow conditions, and various types of fuel including:

  • Natural Gas
  • Refinery Gas
  • Coal
  • Biomass
  • Fuel Oils



  • Low Total Cost of Ownership
  • High efficiency with up to 95% NOx emission reduction
  • Minimal life cycle costs with optimal performance systems
  • Reduced assembly time with pre-assembled modular construction
  • Enhanced design for smaller system footprint



  • Adaptable for wide range of temperatures – 350°F to over 1000°F
  • Custom designs
  • Turnkey construction



Peerless is a global leader in designing and distributing efficient, high-quality separation and filtration equipment to industries all over the world. Peerless proudly serves top-of-the-line equipment to oil and gas production, gas pipeline transportation, and power generating industries around the globe. As incomparable as its namesake, Peerless filtration equipment has been perfected over a nearly 85 year history. For the better part of a century, our engineers have crafted durable, dependable equipment that can fit into any factory or processing plant that requires exceptional filtration gear.

From the blueprint to the installation, Peerless filtration technology is designed to be worry-free while providing the superior craftsmanship consumers expect from Peerless products. The Peerless technology range includes industry leaders Burgess Manning separation and filtration and Skimovex oily water separation. Advanced Peerless technology separates solids and condensed liquid particles by harnessing the natural dynamics of centrifugal force and gravity with unparalleled efficiency. Countless companies, from fertilizers to refiners and chemical producers, put their trust in Peerless products to achieve ultra-high liquid removal efficiency. Peerless products and solutions include separation technologies, gas transmission, oil treatment, nonconventional oil recovery, gas treatment, produced water and oil water treatment, sand management, and nuclear power separators.

When it comes to filtration, subpar equipment can leave you with contaminated product, increased operating costs, and more useless downtime. A filtration system that fails will leave you with a whole mountain of problems to dig through. When you trust your filtration and separation needs to Peerless, you won’t even need the shovel. Trust the brand that has been creating and installing high-quality equipment for over eight decades. If you want to be peerless in your industry, you need to employ peerless technology brought to you by peerless people. Trust Peerless, and watch your costs plummet and your reputation soar above all the rest.

CECO Peerless
CECO Aarding