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What are performance differences between the three types of ozone generator discharge technologies?

1. Surface discharge (ceramic plate) involves a high-voltage electrode on the surface of a ceramic substrate, discharging along the dielectric surface. Its advantages include a simple structure, low cost, fast startup, and suitability for small devices. However, its disadvantages include low ozone concentration, short lifespan, susceptibility to moisture and aging, low energy efficiency, and the generation of harmful nitrogen oxides. It is only suitable for temporary air and surface oxidation treatments, such as in home air purifiers, vehicle disinfection, and small deodorization devices. It should not be used in water treatment, as this would result in new nitrogen compound contamination in the water.

2. Ceramic plate DBD (Ceramic plate DBD) operates by creating a micron-sized air gap between two ceramic plates, through which oxygen is discharged to generate ozone. Its advantages include high concentration, moderate to high energy efficiency, compact structure, and modularity. However, it requires precision machining, high cooling requirements, and moderate cost. It is suitable for high-concentration ozone water preparation, laboratories, semiconductor cleaning, and medium-sized industrial systems.

3. Glass tube DBD (Glass tube DBD) operates by using a glass tube as a dielectric barrier, with inner and outer electrodes forming an annular air gap, through which oxygen is discharged. Advantages include high ozone production, high concentration, long life, and stable operation. Disadvantages include a complex system, water cooling requirements, large size, unstable concentration, and high operating costs. Suitable for large water plants, municipal sewage, industrial wastewater, and flue gas denitrification.

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