CECO Adwest Retox 25000 Regenerative Thermal Oxidizer (RTO)


Used CECO Adwest Retox 25,000 Regenerative Thermal Oxidizer (RTO) for Sale Immediately

Manufactured in 2004, this Adwest 25,000 Regenerative Thermal Oxidizer has a 25,000 scfm capacity. Previously treated emissions from a heatset web offset dryer. This RTO was running until June 2020, and it has been idle since. Ready to run, but could use some repairs to cladding/insulation.  The used Adwest Retox 25,000 has a two-can design with random packed ceramic media and a dual poppet (switching) valve configuration.

This RTO is in very good condition internally, though externally it is UV weathered, the insulation and cladding should be replaced, and it could use a repaint. Adwest Retox RTO systems are designed to provide one of the lowest utility costs (fuel & electric) of any leading oxidizer system. It is a simple RTO with over-sized beds to reduce pressure drop. The fuel injection feature has been a main-stay for Adwest RTO units, more than any other OEM, with significant fuel savings possible.

This Adwest 25,000 Regenerative Thermal Oxidizer (RTO) has the following features:

  • Maximum design flow-Original 25,000 scfm @ up to 350 F process temp
  • 95% effective heat exchanger with 2 beds of random packed ceramic saddle media
  • Pneumatic poppet valve for flow direction changes through media
  • Main RTO fan with a 200 HP motor NEW Yaskawa variable speed drive
  • Maxon Kinemax 6 burner for heat-up
  • Allen Bradley 5/03 PLC with modem for remote troubleshooting/support
  • Combustion blower with 15 hp TEFC motor
  • Isolation damper with electro/pneumatic actuator
  • Fresh air damper with electro/pneumatic actuator
  • Hot-side bypass feature for heavy solvent loading applications
  • Stand-alone exhaust stack (15 feet from grade; originally 30′ but top section is missing)
  • Fuel gas injection for low NOx operation (following heat-up)
  • Complete owner’s manual with electrical and mechanical drawings

Additional information


130,000 lbs (including ceramic media)


Approx 55' long, 24' wide, 12'-5" H (excluding stack; including main fan)

Electrical Requirements

460/3/60, 270 FLA

Gas Requirements

7,500 cfh max @ 5+/-0.25 psig @ 1000 btu/CF

Compressed Air Requirements

720 CFH @ 90 psig and -40 deg F dew point

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