Overview of Catalytic Recuperative Oxidizer

Epcon’s Catalytic Oxidizers destroy toxic Volatile Organic Compounds (VOCs) that are discharged in industrial process exhausts. The catalytic reactor achieves destruction of the organics by the process of oxidation. The catalyst oxidizes the hydrocarbons to carbon dioxide and water vapor at significantly lower temperatures than thermal oxidizers.

How the Catalytic Recuperative Oxidizer Works?

The Catalytic Oxidizer is designed based on volume of airflow, organic vapor concentrations and desired destruction efficiency. During operation, VOC-laden air is drawn into the system fan and is discharged into the system's heat exchanger. The air is preheated through the tube side of the heat exchanger and then passes the burner, where the contaminated air is raised to the operating temperature. As the VOC-laden air passes through the catalyst, an exothermicreaction takes place as the VOCs are converted to carbon dioxide and water vapor. The hot, purified air then passes on the shell side of the heat exchanger where the energy released by the reaction is used to preheat the incoming air. The heat exchanger minimizes the system's fuel consumption with the system being self-sustaining at low LEL levels. Finally, the contaminant-free air is exhausted into the atmosphere.

System Components

Catalytic Oxidizer Systems include a heat exchanger, modulating burner, fuel train, catalyst bed, fan, motor, fresh air start-up valves, flanged inlet and outlet, system controls, temperature recorder, first-out shutdown detector and exhaust stack. The system has a weather-proof, insulated steel outer skin with access doors that allow service to all internal parts.

Catalytic Recuperative Oxidizer System Schematic

Options

·         Remote monitoring/communication package 

·         Secondary heat exchanger 

·         Alternate fuel/power supplies 

·         Continuous Emission Monitors 

·         U.L. Control panel 

·         Custom systems available 


Safety Shutdowns

The system will shut down safely and automatically if any of the following occur:

·         Electrical power loss to the control panel 

·         Loss of proper air flow 

·         High/low temperature or gas pressure 

·         Flame-out of the burner 

·         System operation above 25% LEL 

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