Air Pollution Control built by Doosan Heavy Industries


Post carbon capture technology selectively captures carbon dioxide from fossil-fuel combustion emissions (nitrogen, CO2, H2O, oxygen, etc), and is highly effective in eliminating carbon dioxide, the major cause of the greenhouse effect. 

  • Understand solvent characteristics involving
    the use of different types of coal
  • Win feed study undertakings
    for the European market

Air Pollution Control built by Doosan Lentjes

Air Quality Control Systems

Wet lime / limestone flue gas desulphurisation (FGD)

Our experience

  • Over 71 GWe global references
  • 196 absorbers (110 in China) Customer benefits

Customer benefits

  • Almost stoichiometric absorbent consumption
  • Spray tower absorber not susceptible to clogging due to patented impulse suspension system
  • Individual spray levels can be switched off during low load or low sulphur fuel operation to reduce power consumption
  • Variety of corrosion resistant materials available for absorber design
  • A high-quality gypsum is created as a by-product which has manifold uses
  • Desulphurisation capacity max. 1200MWe per unit


Seawater flue gas desulphurisation (FGD)

Our experience

  • Roughly 9GWe global references
  • 15 absorbers

Customer benefits

  • Cost effective solution for plants in coastal regions
  • Up to 99% SO2 capture
  • No by-product created – ergo no associated disposal costs
  • Low operating cost
  • Seawater is typically taken from the power plant cooling circuit
  • Desulphurisation capacity max. 1200MWe per unit


Circoclean® flue gas desulphurisation (FGD)

Our experience

  • Over 47 million m³/h STP equivalent to 13 GWe global references
  • Up to a maximum capacity of 305MWe
  • 90 absorbers (18 in China; 26 in the US)

Customer benefits

  • Minimum investment cost / water consumption
  • High flexibility regarding varying sulphur content
  • The process operates at a temperature of approximately 70°C and uses lime for the absorption of SO2, SO3, HF and HCI.
  • SO2 reduction efficiencies of up to 99% due to:
    • Very effective mass transfer in Circoclean® absorber
    • Absorbent recirculation
  • Small footprint
  • Flexibility to meet the requirements of WtE plants


FER-DI® flue gas desulphurisation (FGD)

Customer benefits

  • Simple design with low investment cost
  • High flexibility regarding varying boiler load and sulphur content
  • Reduced equipment resulting in low maintenance costs
  • Different sorbent alternatives available (hydrated lime, sodium bicarbonate, customized blends…)
  • Flue gas conditioning and sorbent conditioning combined according to process requirements
  • Optional sorbent recirculation to reduce operation costs
  • Flexibility to simultaneously remove heavy metals, dioxin & furans through injection of activated carbon


SCR DeNOx and Dedusting Systems

Our experience

  • More than 300 fabric filters built to date *
  • More than 600 electrostatic precipitators built to date *

Customer benefits SCR DeNOx System

  • The optimum catalyst composition and geometry and the best position of the process in a “high dust” or “low dust” arrangement
  • Nearly stochiometric use of ammonia, very small ammonia slip stream

Customer benefits Dedusting Systems

  • Maintains low ash emissions under changing coal and ash quantities
  • Specific knowledge about ashes from various sources available
  • Highly efficient dust removal with low power consumption


Air Pollution Control built by Thermax Boilers & Heaters Group

To be amongst top 5 Industrial Pollution Control equipment Manufacturers in the World by offering Innovative & Sustainable Solutions to Air Pollution Problems.

Air Pollution Control built by Thermax Boilers & Heaters Group

The Air Pollution Control business is a key player in gaseous and particulate emission control. Extensive engagement with diverse industry sectors and tie-ups with technology majors enable the group to execute and commission turnkey projects from concept to commissioning.

The business offers broad based, single source expertise in all areas of environment protection – products and systems for air pollution control, retrofit and rebuild services for equipment handling particulate or gaseous emissions. Thermax’s focus on resource recovery is of special advantage to process industries.


  • Electrostatic Precipitators
  • Bag filters
  • Wet scrubbers
  • Combofilter
  • Thermax Modular Gas Cooler (TMGC)

Customised solutions

  • Fume Extraction and Dedusting Systems
  • Coal Preparation Plants & Related Systems
  • Pushing Emission Control Systems
  • Flue Gas Desulphurisation
  • Sinter Plant & Pellet Plant De-dusting
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