CO exhaust gas treatment life 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.

　　After the solid surface adsorbs the adsorbate, a portion of the adsorbed adsorbate can detach from the adsorbent surface, which is now attached. After a period of adsorption, due to the concentration of surface adsorbates, their adsorption capacity significantly decreases and the requirements for adsorption purification are met. At this time, certain measures need to be taken to desorb the adsorbates already adsorbed on the adsorbent to enhance its adsorption capacity. This process is called adsorbent regeneration. Therefore, in practical adsorption engineering, it is the cycle of adsorption regeneration and repeated adsorption that is used to remove pollutants from the exhaust gas and recover useful components from the exhaust gas.

　　Using high-energy and high ozone UV ultraviolet beams to differentiate oxygen molecules in the air to produce free oxygen, also known as reactive oxygen species. Due to the imbalance of positive and negative electrons carried by free oxygen, it needs to combine with oxygen molecules to produce ozone. UV+O2 → O - O * (reactive oxygen species) O O2 → O3 (ozone). It is well known that ozone has a strong oxidizing effect on organic matter and has an immediate effect on eliminating odorous gases and other irritating odors. The mechanism of action of nano photocatalyst TiO2 can be briefly described as follows: under the illumination of specific wavelengths of light, nano photocatalyst TiO2 is stimulated to generate "electron hole" pairs (a type of high-energy particle). After reacting with surrounding water and oxygen, these "electron hole" pairs have strong oxidation recovery ability, which can directly differentiate pollutants such as aldehydes and hydrocarbons in the air into harmless and odorless substances, as well as damage the cell walls of bacteria, kill bacteria, and differentiate their mesh cells, thus achieving the goal of eliminating air pollution.

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• Catalytic combustion equipment