Air Quality Control Services (Power)

CB&I is the industry leader in Air Quality Control (AQC) services, having installed state of the art emissions control technologies to benefit more than 60,000 MW of generation. We maintain this industry-leading position by staying at the forefront of innovation and offering cost-effective retrofits, even under challenging schedules and site conditions. Our experience and capabilities include the following: 

  • SO2 reduction systems, including wet and dry flue gas desulfurization (FGD) technologies and sorbent injection solutions
  • NOx reduction systems, including selective catalytic reduction (SCR), non-selective catalytic reduction (NSCR), low NOx burners and other types of NOx control technologies
  • Mercury (Hg) control systems
  • Particulate matter systems, including electrostatic precipitators (ESPs) and pulse jet fabric filter systems


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