Manufactured in 2005. Regenerative Thermal Oxidizer (RTO). with 4,000 scfm capacity. In very good condition internally. Externally RTO is UV weathered.  Treated emissions from a heatset web offset press. Taken off line in early 2019 and has been idle since. Two-chamber design with random packed ceramic media and a dual poppet (switching) valve configuration. 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.

This Regenerative Thermal Oxidizer has the following features:

  • Maximum design flow- 4,000 scfm @ up to 300F process emissions
  • 95% effective heat exchanger (random-pack ceramic media included)
  • Pneumatic poppet valve for flow direction changes through media
  • Main RTO fan with 30 hp TEFC motor and an Allen Bradley Powerflex 400 VFD
  • Maxon Kinemax 3.0 burner for heat-up
  • Allen Bradley 5/03 PLC with modem for remote troubleshooting/support [upgrade available]
  • Allen Bradley Panelview 300 operator interface
  • Monarch Instrument DC2M1 chart recorder
  • Combustion blower with 2 hp TEFC motor
  • Isolation damper with electro/pneumatic actuator
  • Inlet start-up/fresh air damper with electric actuator
  • Stand-alone exhaust stack (40’ from grade)
  • Fuel gas injection for high fuel efficiency and low NOx operation
  • Complete owner’s manual with electrical and mechanical drawings

Additional information


Approx. 30,000 lbs (including ceramic media)


Approx.  20’2” long by 11’10” wide

Electrical Requirements

460/3/60, 50 FLA

Gas requirements

2,000 scfh max @ 5 psig

Compressed Air requirements

5 cfm @ 90 psi and -40F dew point

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