At Gelan Petro, we specialize in designing, manufacturing, and delivering Direct Thermal Oxidizers (DTOs) — powerful emission control systems that are engineered to handle industrial waste gases effectively and safely. As environmental regulations tighten across industries, the need for dependable and compliant air pollution control technologies is more crucial than ever. Our DTO systems are trusted by clients across sectors for their simplicity, reliability, and proven performance.
A Direct Thermal Oxidizer, often referred to as a straight thermal oxidizer, is a combustion-based air pollution control device designed to destroy hazardous air pollutants (HAPs), volatile organic compounds (VOCs), and other hydrocarbon-based emissions. These units work on a simple yet highly effective principle: thermal oxidation.
The process involves heating the contaminated air stream to a very high temperature—typically between 760°C to 980°C (1400°F to 1800°F)—in a combustion chamber. Once the air reaches the proper oxidation temperature and residence time (usually 0.5 to 2 seconds), the harmful pollutants are chemically converted into harmless CO₂ and H₂O, which can then be safely released into the atmosphere.
Contaminated Air Intake: The process begins when VOC-laden exhaust gases are introduced into the oxidizer.
Combustion Process: A burner heats the chamber to the required temperature. As the gas passes through the chamber, the pollutants are thermally broken down.
Exhaust Discharge: The clean air, now free of harmful pollutants, is discharged into the environment through a stack.
DTOs are designed for continuous operation and are particularly effective for processes with steady VOC concentrations and airflows.
Our DTOs deliver destruction removal efficiencies (DRE) of 99% or higher, ensuring your facility meets even the strictest environmental compliance requirements.
DTOs are especially suitable for operations that require frequent startups and shutdowns. The quick warm-up time ensures that you reach compliance temperatures efficiently.
With fewer moving parts than regenerative or recuperative systems, DTOs offer lower maintenance costs and greater system uptime. Their straightforward design allows for fast troubleshooting and ease of use.
At Gelan Petro, we engineer DTOs to your unique process needs — considering flow rates, pollutant loads, operational cycles, and space constraints.
Our systems can operate on natural gas, propane, butane, or other industrial-grade fuels, allowing for maximum integration flexibility into existing infrastructure.
DTOs are widely used across numerous industrial sectors, particularly those with continuous or semi-continuous VOC emissions. Some of the primary applications include:
Petrochemical and Oil & Gas Processing
Effective control of hydrocarbon emissions from storage tanks, vent systems, and process equipment.
Chemical Manufacturing
Destruction of solvent vapors, byproducts, and other hazardous emissions.
Paints, Coatings, and Printing
Elimination of solvents and VOCs from dryers, curing ovens, and coating lines.
Pharmaceutical and Biotech
Safe treatment of chemical emissions from production facilities.
Textile and Packaging Industries
Treatment of off-gases from finishing, drying, and printing processes.
At Gelan Petro, we understand that a thermal oxidizer is not just a piece of equipment—it’s an integral part of your operation and environmental responsibility. Here’s what sets us apart:
Our team of experts has extensive knowledge in combustion systems and air pollution control. We tailor every DTO solution to match your application, process load, and regulatory requirements.
From design and fabrication to installation, commissioning, and maintenance, we offer complete turnkey services. Our clients rely on us for not only reliable equipment but also expert project management and ongoing support.
We stay updated with all local and international environmental regulations such as EPA MACT, RCRA, and Clean Air Act standards. Our DTOs are built to keep your facility in full compliance.
We use high-grade stainless steel, ceramic fiber insulation, and refractory materials to ensure thermal efficiency and system durability—even under continuous high-temperature operation.
While DTOs are not inherently heat-recovery systems, we offer optional energy-saving enhancements, such as heat exchangers and burner efficiency upgrades, to reduce operational costs and environmental impact.
Automatic Controls & PLC Systems
Integrate your DTO with plant-wide control systems using advanced PLC automation and safety interlocks.
Remote Monitoring
Access live performance data and receive alerts via web-connected monitoring platforms.
Silencers & Stack Designs
Noise suppression and customized stack configurations for facility-specific requirements.
We follow a client-focused approach to deliver high-performance DTO systems:
Site Evaluation & Emission Analysis
Customized Engineering & System Design
Fabrication & Factory Testing
On-Site Installation
Commissioning & Training
Ongoing Maintenance & Technical Support
DTOs are widely used across numerous industrial sectors, particularly those with continuous or semi-continuous VOC emissions. Some of the primary applications include:
At Gelan Petro, we offer high-performance Direct-Fired Thermal Oxidizers engineered to efficiently treat industrial emissions while meeting strict environmental standards. Our systems are designed for maximum combustion efficiency, minimal maintenance, and long-term operational reliability. If a Direct-Fired Thermal Oxidizer fits your project requirements, contact our expert sales team today to explore a tailored solution that meets your technical and regulatory needs.
DTOs are widely used in industries that generate airborne pollutants, such as chemical manufacturing, pharmaceuticals, printing, painting/coating operations, food processing, and petroleum refining.
DTOs offer high destruction efficiency (up to 99.9%), low maintenance due to their simple design, fast startup times, and are ideal for handling high concentrations of pollutants. They are also effective for applications with consistent and high VOC loads.
Selection depends on factors like the volume and type of pollutants, airflow rate, temperature requirements, and operational costs. A professional assessment is recommended to ensure the system meets environmental regulations and your specific process needs.
DTO systems require periodic inspections, burner maintenance, sensor calibration, and cleaning of buildup inside the chamber. Regular maintenance ensures optimal performance, safety, and compliance with environmental standards.
Our Professional Project Manager will help you step by step. Welcome to compare price and Service
We do not share your personal information with third parties. By clicking the button, you consent to the processing of personal data.
Feel free to get in touch with us!
We are pleased to receive your letter and help you achieve your business goals. Fill in the form below to send us information or talk directly to our product experts by phone.
We will contact you within 1 hours, please pay attention to the email with the suffix “@gelanpetro.com”.