Product Catalogue: Air quality control systems

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Ensure you meet the most stringent environmental regulations in the most cost effective manner with a tailored solution from Alstom. We are the number 1 supplier of air quality control systems (AQCS) in the world.

Why choose Alstom air quality control systems? 

  • Over 80 years’ dedication to AQCS business with renowned reputation
  • Broadest portfolio of air quality control system technologies
  • Largest installed base with more than 480 GW in power generation and 2,800 systems for industry globally
  • Technology leadership driven by dedicated R&D and feedback from installed base
  • Global presence with highly competent local project execution units 

Selective catalytic reduction of NOx (SCR)

Choose a solution from the world leading provider of SCR systems

Flue gas desulphurisation

Easily remove SO2 from your coal-fired steam generators.

Particulate control

Particulate control solutions to cater to the most stringent of norms on a wide variety of applications in power and industry

Mercury control

Reduce mercury emissions by up to 90% with Alstom’s technology.