The Anguil Catalytic Recuperative Oxidizer destroys air toxics and volatile organic compounds discharged in industrial process exhausts. The utilization of a catalyst allows the oxidation of hydrocarbons to carbon dioxide and water vapor at significantly lower temperatures than thermal oxidation. The process stream enters the system fan and is discharged into the system's heat exchanger which preheats the air. The air then passes through a catalyst producing an exothermic reaction wherein the VOCs are oxidized to water vapor and carbon dioxide. The hot, purified air is then used to preheat the incoming stream and is then exhausted into the atmosphere. The system is self-sustaining at low LEL levels.