The Global Thermal Treatment Air Filtration Oxidizers Market was valued at USD 1.82 Billion in 2024 and is projected to reach USD 2.49 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.3% during the forecast period (2024–2030). This robust growth is propelled by increasingly stringent environmental regulations worldwide, the expansion of manufacturing and chemical processing industries, and the critical need for effective volatile organic compound (VOC) and hazardous air pollutant (HAP) abatement technologies.

As industries worldwide intensify their focus on environmental compliance, social responsibility, and operational efficiency, the demand for advanced air pollution control systems is surging. In this blog, we profile the Top 10 Companies in the Thermal Treatment Air Filtration Oxidizers Industry—technology innovators and engineering leaders who are at the forefront of developing cleaner industrial processes.

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🔟 1. Dürr AG

Headquarters: Bietigheim-Bissingen, Germany
Key Offering: Regenerative Thermal Oxidizers (RTOs), Recuperative Thermal Oxidizers, Catalytic Oxidizers

Dürr AG is a global leader in plant and machinery engineering, with a highly respected environmental technology division, Dürr Systems. The company provides a comprehensive portfolio of air pollution control systems, including high-efficiency RTOs known for their superior VOC destruction rates (typically >99%) and thermal energy recovery efficiencies exceeding 95%.

Innovation & Technology Initiatives:

• Development of the Ecopure® RTO series with integrated heat recovery systems

• Advanced process control and IoT integration for real-time emission monitoring

• Focus on reducing the carbon footprint of industrial coating and printing processes

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9️⃣ 2. ZEECO, Inc.

Headquarters: Broken Arrow, Oklahoma, USA
Key Offering: Thermal Oxidizers, Flare Systems, Vapor Control Units

ZEECO is a renowned manufacturer of combustion and environmental equipment, serving the oil & gas, chemical, and pharmaceutical industries. The company specializes in custom-engineered thermal oxidizers, including fume incinerators and vapor control units designed for high-temperature destruction efficiency and operational reliability.

Innovation & Technology Initiatives:

• Patented burner technology for stable, low-NOx combustion

• Global service network providing 24/7 support and maintenance

• Focus on robust designs for harsh industrial environments

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8️⃣ 3. JOHN ZINK COMPANY, LLC (A Koch Engineered Solutions Company)

Headquarters: Tulsa, Oklahoma, USA
Key Offering: Thermal Oxidizers, Flares, Vapor Recovery Units

A subsidiary of Koch Engineered Solutions, John Zink Hamworthy Combustion is a powerhouse in emission control technology. The company’s thermal oxidizers are engineered for a wide range of applications, from small-scale fume abatement to large-capacity waste gas streams in refining and petrochemical operations.

Innovation & Technology Initiatives:

• TOXCLEAN® thermal oxidizers with advanced heat integration

• Strong R&D focus on energy efficiency and carbon capture-ready systems

• Comprehensive pilot testing capabilities for custom solutions

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7️⃣ 4. Fives

Headquarters: Paris, France
Key Offering: Pillard Thermal Oxidizers, Process Heating Systems

Fives, through its Pillard brand, is a leading international provider of thermal process solutions. The company offers a diverse range of thermal oxidizers and burners tailored for industries such as cement, minerals, and chemicals, emphasizing fuel flexibility and operational cost reduction.

Innovation & Technology Initiatives:

• Integration of thermal oxidizers with industrial processes for waste heat utilization

• Development of low-emission burner systems compatible with alternative fuels

• Digital solutions for predictive maintenance and performance optimization

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6️⃣ 5. CECO Environmental

Headquarters: Dallas, Texas, USA
Key Offering: Regenerative Thermal Oxidizers (RTOs), Scrubbers, Filtration Systems

CECO Environmental is a global leader in air quality and fluid handling solutions. The company’s portfolio includes high-performance RTOs and other oxidizer technologies designed to meet the most demanding emission standards across diverse sectors, including electronics, automotive, and food processing.

Innovation & Technology Initiatives:

• Energy-efficient RTO designs with patented valve and media technology

• Acquisition strategy to expand technology portfolio and global reach

• Focus on providing turnkey environmental solutions

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5️⃣ 6. Babcock & Wilcox Enterprises, Inc. (B&W)

Headquarters: Akron, Ohio, USA
Key Offering: Thermal Oxidizers, Environmental Systems (via its MEGTEC and Universal Acquisitions)

Babcock & Wilcox is a legacy energy technology provider with a strong focus on environmental solutions. Its offerings include thermal oxidizers for destroying VOCs and HAPs, leveraging decades of experience in combustion engineering for industrial and utility applications.

Innovation & Technology Initiatives:

• Advanced boiler-integrated oxidizer systems for co-generation

• Research into carbon capture and storage (CCS) compatibility

• Global service and parts support for installed base

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4️⃣ 7. Anguil Environmental Systems, Inc.

Headquarters: Milwaukee, Wisconsin, USA
Key Offering: Regenerative Thermal Oxidizers (RTOs), Recuperative Oxidizers, Catalytic Oxidizers

Anguil Environmental is a specialized engineering firm dedicated solely to air pollution control. The company is renowned for its high-efficiency RTO systems, which are designed to achieve destruction removal efficiencies (DRE) of up to 99% while minimizing auxiliary fuel consumption through superior heat recovery.

Innovation & Technology Initiatives:

• Pioneering work in direct-fired thermal oxidizers for low-concentration streams

• Custom engineering for complex, multi-source emission points

• Compliance-focused designs for global environmental standards

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3️⃣ 8. Eisenmann SE (Now Dürr AG)

Headquarters: Holzgerlingen, Germany
Key Offering: Environmental Technology Systems, Thermal Oxidizers

Following its acquisition by Dürr AG, Eisenmann’s environmental technology expertise has been integrated into a larger portfolio. Historically, Eisenmann was known for its efficient thermal and catalytic oxidizers, particularly for the automotive paint shop and surface treatment industries, where VOC emissions are a primary concern.

Innovation & Technology Initiatives:

• Integrated solutions combining filtration and oxidation for paint overspray

• Energy recovery systems to power other plant processes

• Legacy of innovation in reducing the environmental impact of manufacturing

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2️⃣ 9. Catalytic Products International (CPI)

Headquarters: Lake Zurich, Illinois, USA
Key Offering: Regenerative Thermal Oxidizers (RTOs), Recuperative Oxidizers, Catalytic Oxidizers

CPI is a leading provider of air pollution control systems, specializing in oxidizer technology for a wide array of industrial applications. The company is recognized for its durable RTO systems and its expertise in handling challenging waste streams in the chemical and coating industries.

Innovation & Technology Initiatives:

• Focus on system durability and long-term operational savings for clients

• Proprietary ceramic media for enhanced heat recovery

• Comprehensive aftermarket services and catalyst management

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1️⃣ 10. THE CMM GROUP

Headquarters: Sanford, North Carolina, USA
Key Offering: Regenerative Thermal Oxidizers (RTOs), Direct-Fired Thermal Oxidizers (DFTO)

THE CMM Group specializes in the design and manufacture of custom thermal oxidizer systems. The company prides itself on engineering solutions for specific and often difficult applications, providing robust systems that deliver high destruction efficiency and operational reliability for its clients.

Innovation & Technology Initiatives:

• Expertise in handling high-moisture and corrosive exhaust streams

• Focus on modular designs for easier installation and scalability

• Commitment to providing cost-effective compliance solutions

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🌍 Outlook: The Future of Air Pollution Control is Smarter and More Integrated

The thermal treatment air filtration oxidizers market is undergoing a significant transformation. While the core technology of high-temperature oxidation remains proven, the industry is rapidly advancing towards greater energy efficiency, digital integration, and circular economy principles. Companies are no longer just selling pollution control equipment; they are providing integrated solutions that turn waste streams into energy assets.

📈 Key Trends Shaping the Market:

• Rise of RTO Dominance: Regenerative Thermal Oxidizers continue to gain market share due to their unparalleled thermal efficiency (95%+ heat recovery), making them the preferred choice for high-volume, low-concentration waste streams.

• Stringent Global Regulations: Tighter emission limits for VOCs, HAPs, and NOx in North America, Europe, and increasingly in Asia-Pacific are a primary market driver, compelling industrial upgrades.

• Digitalization and IIoT: Integration of Industrial Internet of Things (IIoT) for predictive maintenance, remote monitoring, and real-time optimization of oxidizer performance is becoming a standard expectation.

• Waste-to-Energy Integration: Growing focus on using the thermal energy recovered from oxidizers to power other plant processes, thereby reducing the overall carbon footprint and operational costs.

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The companies listed above are not only providing essential environmental compliance—they are enabling industries to operate more sustainably and profitably in an increasingly regulated world.

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