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Selective Catalytic Reduction (SCR) Systems

Selective catalytic reduction (SCR) is classified as Best Available Control Technology (BACT) for NOx abatement by the U.S. Environmental Protection Agency in many industrial applications. CSM designs, manufactures and installs high-performance SCR systems that have been classified BACT in certain applications in some of the most stringent air districts, including the South Coast Air Quality Management District (SCAQMD) of Southern California.

CSM specializes in supplying small- to medium-scale, skid-mounted systems for exhaust flow rates ranging from 1,000 to 70,000 SCFM. Our customers appreciate the many benefits of our pre-piped, pre-wired and shop-tested SCR systems, including:

  • NOx emissions below 5 ppm
  • Ammonia slip below 5 ppm
  • Lower capital and operating costs
  • Quick delivery
  • Integrated design
  • Simple installation
  • Low installation costs
  • Increased engineering support
  • Energy-efficient design
  • Increased operational flexibility



Gas train

Our SCR systems treat NOx-laden gaseous streams by means of a specialty SCR catalyst to selectively react injected ammonia or urea with the available NOx to produce harmless nitrogen and water vapor. NOx reduction of 90 to 97% is typical using a CSM SCR system tailored to your particular needs. Our systems also reduce CO by as much as 99%.

Economically adaptable to many stationary engine, packaged boiler and process heater designs, CSM SCR systems can be used on new equipment or field-retro-fitted to existing equipment such as industrial process boilers, heat treating furnaces, ovens and heaters, and thermal oxidizers. Application areas include:


  • Power generation - including stationary engines (diesel and natural gas), gas-fired turbines, distributed generation systems and cogeneration systems
  • Heat recovery and steam generation
  • Industrial processing
  • Thermal oxidation
  • Chemical processing







CSM Worldwide, Inc. 1100 Globe Avenue, Mountainside, N.J. 07092-2904 | Phone: 908-233-2882 | Fax: 908-233-1064


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