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    • Thermal oxidizer / incinerator systems for industrial exhaust air treatment

    Reliable oxidation of VOCs, solvents, and pollutants

    Many industrial processes generate gaseous emissions that contain organic compounds, solvents, and / or other odorous substances. Thermal oxidizer / incinerator systems treat these exhaust air streams reliably, safely, and in compliance with regulations. CAW develops thermal exhaust air treatment systems for demanding production environments – featuring high availability and uptime, efficient combustion, and consistently stable exhaust gas quality.

    How do thermal oxidizer / incinerator systems work?

    Thermal oxidizer / incinerator systems destroy organic pollutants such as VOCs, solvents, BTEX, and odorous substances through pure thermal oxidation. The exhaust air is heated to high temperatures by firing fuel gases or fuel oils, which completely combust the organic molecules and converts them into CO2 and H2O.

    Basic principle

    • The contaminated exhaust air is fed into the combustion chamber of the Thermal oxidizer / incinerator system via a gas-tight duct system.
    • A burner heats the exhaust air to the required reaction temperature – which, depending on the exhaust air’s constituents, is typically in the range of 750 to 950 °C.
    • Defined dwell / residence times and temperatures in the combustion chamber ensure the complete oxidation of all exhaust air constituents.
    • Upstream mixing zones and afterburn chambers stabilize combustion and burnout even with fluctuating exhaust air volumes and loads.
    • Heat recovery systems also make effective use of the energy from the exhaust gas streams after combustion, e.g., to preheat combustion air, generate hot gases, or heat thermal oil.

    Technical features

    • Temperatures range up to well over 1,000 °C, depending on the type and quantity of the load / contamination and the requirements for exhaust gas purity.
    • Defined dwell / residence times for complete degradation of pollutants.
    • Optional combination with SCR or SNCR systems for NOX reduction.
    • Complete oxidation of VOCs, organic solvents, and hydrocarbons.
    • Stable operation even with highly fluctuating exhaust gas loads and volumes.

    Advantages of a thermal oxidizer / incinerator system

    High purification efficiency

    Complete oxidation of organic exhaust air components and other odorous substances.

    Process and operational safety

    Reliable system operation even with varying exhaust air volumes and compositions.

    Low emissions

    Heat recovery to increase system efficiency and for other process steps or media.

    Energy efficient

    Heat recovery to increase plant efficiency and for other process steps or media.

    Robust construction

    All-steel combustion chambers with durable refractory materials for near-adiabatic operation.

    High availability and uptime

    Designed for 24/7 industrial operation with long operating cycles.

    Flexible adaptation

    Available as direct firing, post-combustion, or combination with existing processes.

    Safe co-incineration

    Treatment of complex gas mixtures, low-calorific gases, and gaseous and liquid organic residues.

    Industries and typical applications of thermal oxidizer / incinerator systems

    Thermal oxidizer / incinerator systems are used wherever exhaust air streams containing VOCs, solvents, or strong odors are generated. This proven and robust technology is particularly well-suited for continuous and heat-intensive production processes.

    Typical industries

    Chemical industry

    Pharmaceutical industry

    Wood and wood-based material production

    Paint and varnish industry

    Plastics and rubber industry

    Food and vegetable oil processing

    Textile and nonwoven industry

    Printing and coating industry

    Typical applications

    • Removal of organic solvents from drying systems and process furnaces.
    • Oxidation of VOC-containing process exhaust gases from coating systems.
    • Treatment of exhaust gases from thermal processes or paint booths.
    • Co-combustion of low-calorific gases and intermittent gas streams from tanks and storage facilities.
    • Thermal safety measures for safety-critical waste streams.

    Exhaust air streams and media for thermal oxidizer / incinerator systems

    Thermal oxidizer / incinerator systems are suitable for a wide range of exhaust air streams containing organic contaminants. The selection of combustion chamber design, residence time, and temperature depends on the pollutant profile and the respective local emission requirements.

    Typical exhaust air streams

    • VOCs and organic hydrocarbons
    • Solvent mixtures from coating and drying processes
    • Special residual gases from chemical production steps
    • Low-concentration gases from storage tanks, venting systems, or extraction systems
    • Gas mixtures from thermal production facilities

    Heat recovery

    • Preheating of combustion air to reduce the demand for primary and auxiliary fuels
    • Generation of hot gases for downstream or other processes
    • Integration with thermal oil systems for high-temperature heat supply
    • Supply of warm / hot water or steam into plant networks.

    Why are CAW’s thermal oxidizer / incinerator systems the right solution for your exhaust air

    CAW’s thermal oxidizer / incinerator systems are characterized by high operational reliability, robust construction, and efficient combustion technology. Our systems are designed for demanding exhaust air flows and reliably meet all applicable emission standards.

    We develop custom-engineered combustion chambers, afterburn / burnout chambers, air distribution systems, and waste heat recovery units tailored to your specific process requirements. Whether you’re modernizing, expanding, or building a new facility – CAW delivers your complete solution for thermal exhaust air treatment.

    References

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