Development of Ozonizers for Water Treatment R. Diaz, C. Mora, D. Lodos. Ozone Research Center, Cuba. The advantages of high frequency were used to obtain a low ozone production system. An ozone production of 45 mg/h with a good stability was obtained. The equipment was designed using low cost high voltage transformer and economical circuitry. This system cam be use in applications were a small ozone quantities are required like in domestic water purification. On the other hand, a medium frequency industrial ozone generator was developed to advantageously substitute the classical low-frequency model. Source: 2nd International Symposium on Ozone Applications Havana, Cuba - Mach 24-26, 1997.