Ozone Generation Methods
Ozone can be generated in several ways, but not all methods are used in the same way or at the same scale. In practical systems, the most important question is not only how ozone can be generated, but which method is suitable for the application.
For most industrial and commercial ozone systems, corona discharge is the main generation method. Other methods, such as ultraviolet and electrolytic generation, may also be used in specific duties depending on output requirements, scale and system design.
What Are the Main Ozone Generation Methods?
The three most relevant ozone generation methods in practical use are:
- corona discharge
- ultraviolet generation
- electrolytic generation
Other methods may exist in specialist or research contexts, but these are not usually the first reference point for mainstream industrial ozone applications.
Corona Discharge Ozone Generation
Corona discharge is the most widely used method for industrial and commercial ozone generation. It works by applying a high-voltage electrical field to an oxygen-containing gas stream, causing part of that gas to convert into ozone.
This method is commonly used because it can achieve higher ozone concentrations and outputs than most alternatives. It is therefore the standard choice for many water treatment, oxidation and industrial ozone duties.
In most larger systems, corona discharge is the main reference method when discussing ozone generators.
Ultraviolet Ozone Generation
UV ozone generation uses ultraviolet light at a suitable wavelength to produce ozone from oxygen. This method is generally associated with lower-output applications and is more limited than corona discharge where higher production rates are needed.
UV generation may still be relevant in selected air-related or smaller-scale duties, but it is not usually the primary choice for larger engineered ozone systems.
Electrolytic Ozone Generation
Electrolytic ozone generation produces ozone through an electrochemical process, typically in water-based systems. This method can be useful in selected applications where compact equipment, lower output ranges or a specific system format is preferred.
It is not usually the default choice for large industrial ozone duties, but it can be appropriate in certain smaller or more specialised applications.
Which Ozone Generation Method Is Used Most Often?
In practical engineered systems, corona discharge is the dominant method. This is because it offers the most suitable combination of output, concentration and scalability for many industrial and commercial duties.
UV and electrolytic generation still have their place, but they are generally chosen for narrower application ranges.
How to Choose the Right Ozone Generation Method
The right method depends on factors such as:
- required ozone output
- required ozone concentration
- whether the duty is industrial or small-scale
- feed gas arrangement
- integration requirements
- operating conditions and control needs
For this reason, ozone generation should be assessed in the context of the overall process rather than by method name alone.
Related Pages
If you want a broader introduction first, see what ozone is.
To understand system operation in more practical terms, see how ozone generators work.
To explore equipment options, view our ozone generators page.