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VOC removal - the device that effectively reduces the emissions of volatile organic compounds (Afterburner)

VOC Thermal oxidizer – the device that effectively reduces the emissions of volatile organic compounds (Afterburner).

The afterburner system used for decades in the manufacturing lines of aluminum heat exchangers is now implemented for both mass flow and Vortex® technology furnaces for aluminum coil annealing applications.

Thermal afterburners are used in the automotive and aluminum industry to destroy industrial contaminants such as volatile organic compounds (VOC), in particular aromatic hydrocarbons.

The afterburner is a standard product in our company’s portfolio typically supplied together with a degreaser (a device for thermal removal of oil from the surface of aluminum heat exchangers) included in a CAB line. This design has started to be used when annealing aluminum coils in Vortex® and mass flow furnaces. Large quantities of oil are often used during the rolling and corrugation process. The oil evaporates during the heat treatment process, emitting hazardous organic compounds. In order to protect the health and the environment, SECO/WARWICK delivers a solution that ensures that emission standards are met.

Volatile Organic Compounds (VOC) are a group of organic compounds which easily volatilize or vaporize with the presence of sunlight. At the same time, they release hazardous substances to the environment. VOC contain various chemicals. Some of them can have short- and long-term negative effects on health. Short-term effects on health include eye, nose and throat irritation, headaches, coordination impairment and nausea. Long-term effects can cause serious liver, kidney and central nervous system failure. Long-term exposure to high concentrations of VOC can cause cancer. In a thermal afterburner, after heating up to an appropriate temperature, the industrial contaminants such as VOC act as fuel, ensuring complete combustion. During the combustion process, the contaminants are chemically transformed into neutral by-products of combustion such as water and carbon dioxide that can be safely discharged as flue gas. Due to the high process temperature, thermal afterburners are usually fitted with an energy-recovery system.  The heat-recovery systems make it possible to reduce energy consumption by up to 70%.

The use of energy-efficient afterburners is a recommended solution to protect the environment.

/ combustion of volatile organic compounds,
/ reduction of VOC emissions,
/ combustion of volatile organic compounds, reduction of VOC emissions, option of installing a heat exchanger in order to reduce the  energy consumption in the combustion process,
/ gas heating system comprising one compact gas burner with gas path,
/ high-efficiency insulation of the combustion chamber,
/ independent control system equipped with a safety system in case of flame extinction.
/ combustion of volatile organic compounds under the temperature as low as 650°C,
/ high reduction of VOC (Volatile Organic Compounds) emission down to 50 mg/Nm3 TOC, complaint with European standards, and even down to 30 mg/Nm3 TOC in selected applications,
/ potential to install the afterburner in an already operating furnace.
/ aluminum brazing,
/ heat treatment of metals.

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