VOCs exhaust gas burner airflow Xiamen catalytic combustion

Description :

　　Catalytic combustion is a purification method that uses catalysts to oxidize and decompose combustible substances in exhaust gas at lower temperatures. So, catalytic combustion is also known as catalytic chemical conversion. Due to the acceleration of the oxidation decomposition process by the catalyst, most hydrocarbons can be completely oxidized by the catalyst at temperatures of 300-450 ℃.

　　Compared with the thermal combustion method, catalytic combustion requires less auxiliary fuel, consumes less energy, and has smaller equipment and facilities. However, the promotion and application of this method in industrial production processes have been affected by issues such as catalyst poisoning, replacement of catalytic beds, and high cleaning costs.

　　The DDBD plasma industrial waste gas treatment technology, as a new environmental pollution control technology, has opened up a new idea for the treatment of industrial waste gas due to its efficient decomposition of pollutant molecules and low treatment energy consumption. The application of this technology has the significance of a milestone in modern industrial production.

　　Combustible materials burn under the action of catalysts. Compared with direct combustion, catalytic combustion has a lower temperature and more complete combustion. The catalyst used for catalytic combustion is a substance composed of precious metals and metal oxides. For example, catalytic gas stoves loaded with Pd or rare earth compounds for household use can reduce the CO content in exhaust gas and improve thermal efficiency. A 0.2pt alumina catalyst can burn and deodorize most organic compounds to a chemical shift of less than σ=1 at 500 ℃. Catalytic combustion is flameless combustion, making it suitable for high demand applications such as fuel cells using H2 and O2 as raw materials, and pocket furnaces using gasoline or alcohol as raw materials (with Pt impregnated asbestos catalyst). To eliminate the smoke of NOx in chemical plants, fuel can be added to the smoke and catalytic combustion can be carried out using supported platinum and palladium catalysts to convert NOx into N2 gas. The combustion method of using appropriate catalysts and combustible substances in harmful gases to decompose and oxidize at lower temperatures.

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• Catalytic combustion equipment