VOCs waste gas treatment and maintenance 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.

　　Process principle and flow: Catalytic purification is a typical gas-solid phase catalytic reaction, which essentially involves deep oxidation with the participation of reactive oxygen species. In the process of catalytic purification, the role of the catalyst is to reduce the activation energy, and at the same time, the surface of the catalyst has adsorption, which enriches the reactant molecules on the surface and increases the reaction rate, accelerating the progress of the reaction. With the help of catalysts, organic waste gas can undergo flameless combustion at lower ignition temperatures, and be oxidized and decomposed into CO2 and H2O, while releasing a large amount of heat energy, thus achieving the method of removing harmful substances from the waste gas.

　　The main principle of ion deodorization equipment is to generate a large amount of positive and negative oxygen ions under the action of a high-voltage electric field, which have strong oxidizing properties. It can oxidize and decompose pollutants such as methyl mercaptan, ammonia, hydrogen sulfide, ethers, amines, etc. in a very short time, open the chemical bonds of organic volatile gases, and ultimately generate stable and harmless small molecules such as carbon dioxide and water, thus achieving the goal of purifying the air.

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• Catalytic combustion equipment