Air Clean Up

  • Regenerative Thermal Oxidizer (RTO) destroys Hazardous Air Pollutants

Regenerative Thermal Oxidizer (RTO) destroys Hazardous Air Pollutants

Jun 25 2015 Read 2637 Times

As is the case with many industrial manufacturing operations, process emissions are best destroyed through the use of thermal or catalytic oxidation technologies. Time, temperature and turbulence are used within these devices to convert harmful emissions into carbon dioxide, heat and water vapor.  However, one abatement technology in particular has become the preferred option due to its energy efficient operation and high destruction capability. The Anguil Regenerative Thermal Oxidizer (RTO) destroys Hazardous Air Pollutants (HAPs), Volatile Organic Compounds (VOCs) and odorous emissions through the process of high temperature thermal oxidation. It differs from the catalytic, recuperative and direct-fired oxidizer technologies in that destruction is achieved with little to no auxiliary fuel required once the RTO is brought up to temperature. Some of the newer RTOs are capable of reusing 97% of the thermal energy generated during combustion to pre-heat incoming process gases.

Process gas with VOC and/or HAP contaminants enters the oxidizer through an inlet manifold. Flow control valves direct this gas into energy recovery chambers where the process gas is preheated. The process gas and contaminants are progressively heated in the ceramic beds as they move toward the combustion chamber. The VOCs are oxidized in the combustion chamber, releasing thermal energy in the ceramic beds that are in the outlet flow direction from the combustion chamber. These outlet beds are heated and the gas is cooled so that the outlet gas temperature is only slightly higher than the process inlet temperature. Flow control valves alternate the airflow direction into the ceramic beds to maximize energy recovery within the oxidizer. The VOC oxidation and high energy recovery within these oxidizers reduces the auxiliary fuel requirement and saves operating cost. In fact, the Anguil RTO can often reach self-sustaining operation with no auxiliary fuel usage, even at low concentrations.

Anguil designs and manufactures all of the various thermal and catalytic oxidation systems. This ensures an unbiased equipment selection and design for each specific application. Our complete breadth of air pollution control technologies include Regenerative Thermal Oxidizers (RTOs and RCOs) as well as Direct-Fired, Catalytic and Recuperative systems. We also service each oxidizer technology, regardless of original equipment manufacturer. From general services like spare parts and yearly maintenance to major retrofits and upgrades, we offer the most complete selection of post-installation services in the industry.

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