Regenerative Thermal Oxidizers (RTO)

An installed regenerative thermal oxidizer unit

A regenerative thermal oxidizer (RTO) is an air pollution control device that destroys VOCs and hazardous air pollutants (HAPs) in industrial exhaust air. By using regenerative heat recovery, it achieves high fuel efficiency, often operating with 95% heat recovery.

Maintaining an RTO

What industrial applications are best for regenerative thermal oxidizers?

Clean process airstreams with high air flow and low VOC content (<10% LFL) are ideal applications. Higher VOC concentrations can be tolerated, as well as organic/inorganic particulates with proper planning and design, and possibly filters. See our case studies for a sample of possible applications.

How do I choose between RCOs and recuperative units?

RCOs offer greater fuel economy, while recuperative units may be best for high VOC concentration airstreams (or an RTO can be considered). Contact KKI for guidance in choosing the right oxidizer for your application.

What is the dwell time of a thermal oxidizer?

TOX typically have a 0.5 second to 1.0 second dwell time for most applications.

Is the RTO designed for easy installation at our facility?

Yes, our RTOs are typically skid-mounted and pre-assembled to minimize field welding and on-site labor. This simplifies installation and helps reduce overall turnkey project costs.

How often should combustion chambers be inspected?

Inspection frequency varies by system and operating conditions, but periodic inspection is important to detect refractory damage, burner issues, or thermal problems before they lead to system failure. We’re oxidizer experts so you don’t have to be - reach out to our team for guidance based on your specific process conditions.

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