DENOx Engineering for SCR and SNCR Systems

Selective Catalytic Reduction (SCR)

SCR = Selective Catalytic Reduction for power plants and stationary diesel

System information:

We supply catalysts either in honeycomb- or platen design for different applications as high-dust SCR or tail-end SCR. The catalyst enables the reaction of the reagent agent with the NOx formations of the flue gas already at lower flue gas temperatures (typically 200- 450°C). To ensure a homogeneous distribution of the reagent in the flue gas, the agent is injected via an ammonia injection grid (AIG). 2 AIG-Technologies:

  • liquid direct injection 
  • gaseous injection Systems  

SCR Performance: NOx Emission reduction up to 95%, NH3 slip below 5mg/Nm³

Apart from the reagent supply, MAL DeNOx Systems Environmental Technology provides various types of ammonia vaporizers, dilution air heater and seal air fans as well as ammonia flow control units (AFCU). With the help of these systems, outstanding reduction rates and a low ammonia slip can be achieved.

MAL DeNOx Systems Environmental Technology provides turnkey systems specially developed for power plants and stationary diesel engines.

As a reactant, aqueous ammonia and urea solution (solution of urea granular) can be used. Our product range includes the following plant components:

  • SCR Catalyst reactor housing
  • Ammonia unloading equipment
  • Reagent storage tanks
  • Processing skids (AFCU)
  • Mixing units
  • Feed pumps
  • Ammonia-Evaporators
  • Injection lances or injection grids (AIG)

SCR Double Lance for Direct Injection

SCR Dilution Air Fan Station

System Benefits:

  • Complete, ready to use SCR denitrification plants with ammonia (urea) processing
  • SCR equipment for liquid or gaseous injection
  • Plant design for maritime use according to ABS (American Bureau of Shipping)
  • World’s first supplier of solid urea plant on a ship (200 miles zone)

Industrial Application:

  • Coal fired power plants
  • Diesel power plants
  • Marine diesel

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with reactor housing (only for small applications)with reactor housing (only for small applications)

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