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Working principle and main structural components of high-energy VUV photocatalytic test chamber
Date: 2025-06-24Read: 7
The specific process of photocatalytic oxidation reaction is: under the irradiation of ultraviolet light, the nano TiO2 photocatalyst generates electron hole pairs, which react with the adsorbed water and oxygen on the surface to generate highly oxidizing free radicals (such as hydroxyl radicals and superoxide ion radicals). These free radicals can degrade organic matter into carbon dioxide and water, and the entire process is additive free, without generating secondary pollution.
The working principle of the high-energy VUV photocatalytic test chamber is to irradiate organic gases and oxygen molecules in the air with a specific high-energy VUV ultraviolet beam, crack the molecular bonds of organic gases, and differentiate oxygen molecules in the air to form free oxygen (reactive oxygen species), which then combines with pollutant molecules to generate small molecule harmless or low-risk compounds, such as carbon dioxide and water, thus achieving the effect of purifying gases. The photocatalytic oxidation equipment is suitable for deodorization, sterilization and purification of odorous gases in refineries, rubber plants, chemical plants, pharmaceutical plants, sewage treatment plants, garbage transfer stations, sewage pump rooms, central air conditioning and other facilities. It can work continuously 24 hours a day, with stable and reliable operation.
The main structural components of the high-energy VUV photocatalytic test chamber include the following parts:
Microwave generator: generates high-energy microwaves for exciting photocatalytic reactions.
Ionic ozone generator: generates ozone for oxidation reactions.
Control cabinet: controls the operation of the entire equipment.
Medium efficiency filtration: Filter the air entering the device to ensure that impurities do not enter the reaction chamber.
TiO photocatalyst: As a catalyst, it promotes photocatalytic reactions.
Outer casing: protects internal components and provides a stable working environment.