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Direct Fired Thermal Oxidizer (DFTO)
The Anguil Direct Fired Thermal Oxidizer (DFTO) destroys Hazardous Air Pollutants (HAPs) and Volatile Organic Compounds (VOCs) that are discharged in industrial or chemical process exhausts. The DFTO achieves destruction of pollutants by the process of combustion. The VOCs and HAPs are oxidized to carbon dioxide and water vapor with the proper combination of temperature, residence time and turbulence within the combustion chamber. The DFTO is an ideal technology for process streams heavily laden with pollutants and intermittent batch processes where the oxidizer can come on-line relatively quickly. How the Direct Fired Thermal Oxidizer Works Sometimes referred to as an After-Burner, the direct fired thermal oxidizer uses a specially designed burner to raise the temperature of a pollutant laden air stream to a predetermined combustion temperature. In operation, the contaminated process exhaust is ducted into a burner chamber. Heat applied by the burner oxidizes the VOCs and HAPs creating harmless products of combustion (water and carbon dioxide). The clean, heated exhaust gas can then be discharged to the atmosphere or sent through an optional heat recovery system. 
The Anguil DFTO can achieve over 99% hydrocarbon destruction rate efficiency. To achieve this the heated air is kept in the combustion chamber for a specified amount of time, called the residence or dwell time. At the inlet to the combustion chamber turbulence is generated to mix the pollutants and oxygen molecules. Proper mixing of the combustion air and process streams not only provides high destruction efficiencies but also safe operation. The Anguil design minimizes the risk of explosion and takes complete advantage of the VOC laden exhaust stream to minimize auxiliary fuel needs. An optional burner system is available to burn inert process streams directly in the burner as fuel. From a small tank vent to the largest of ethanol plant applications, each Anguil DFTO is designed around our customer's application. Special designs can be provided to handle process streams that contain acids such as carbonic, hydrochloric or sulfuric acid. Anguil's Cost Effective Design The Direct Fired Thermal Oxidizer is designed as part of Anguil's broad line of technologically advanced, yet user-friendly, air pollution control products. The Anguil product line includes over 1,600 installations of oxidizers ranging in size from 100 SCFM to 500,000 SCFM (150-785,000 Nm3/hr). Anguil offers a complete line of oxidation equipment including Regenerative Thermal Oxidizers (RTOs), catalytic and thermal recuperative oxidizers, self-cleaning ceramic filters, soil remediation equipment, rotor concentrators and scrubbers. Each product line represents value-added engineered systems with emphasis on cost minimization. All systems are designed for optimum performance and trouble-free operation. 
The DFTO is no exception to the Anguil product offering; special design considerations are taken to maximize VOC / HAP destruction efficiencies and to minimize auxiliary fuel consumption. Heat exchangers, waste heat boilers and heat recovery steam generators can be utilized to capture any additional heat available, furthure reducing your operating costs. Anguil has extensive experience in providing air pollution control equipment to a wide variety of industries, this gives us an unparalleled understanding of your industry. We strive to provide innovative pollution control technologies that include process analysis, system engineering, equipment manufacturing, installation and post-sale 24-hour service. 
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