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Flue Gas Recirculation (FGR)

Flue Gas Recirculation (FGR) is a powerful nitrogen oxide (NOx) control technique that significantly reduces NOx emissions by recirculating flue gases from the boiler exhaust duct into the main combustion chamber. This process reduces peak flame temperature and lowers the percentage of oxygen in the combustion air/flue gas mixture, thereby reducing thermal NOx formation.

Our CCA Combustion Systems brand offers Flue Gas Recirculation in combination with our other patented innovative technologies, designed to reduce NOx emissions for new or existing coal, oil, and gas fired boilers.



  • Low Total Cost of Ownership
  • High-efficiency NOx removal
  • Minimal downtime for installation



  • Forced FGR and induced FGR, compatible with other NOx control technologies
  • Most effective on gaseous fuels where NOx emissions are almost always 100% thermal NOx


Flue Gas Recirculation from CCA

Since 1980, CECO CCA high standards at all stages of the manufacturing process have made it a global leader in combustion systems. From design to manufacture and installation, CCA creates only the finest products for its customers while taking pride in providing high-efficiency combustion systems with unequaled performance and impressively low emissions. Look no further than CCA when you need a top-of-the-line combustion system to keep your costs down and profits up. CCA’s experienced engineers, with their many years of manufacturing experience, focus on crafting unique, powerful combustion solutions for a variety of industry applications. Our Flue Gas Recirculation technology is one example why our proprietary technology is the industry standard.

As a one-stop shop for powerful combustion solutions, CCA can handle your needs, from creation to installation and maintenance. We build state-of-the-art products that keep your business in the black and your emissions in the clear by manufacturing the most productive, dependable combustion equipment. Our equipment is versatile and powerful enough to handle the most demanding specifications. CCA’s exclusive technology reduces nitrogen oxide, particulate matter, unburned carbon, and carbon monoxide emissions to safe, appropriate levels for facilities around the world. When it is time to look for the best combustion equipment in the industry, CCA provides the strongest line of equipment options to meet all your facility or application requirements.