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How do ozone sterilizers work?

Published in Sterilization Technology 1 min read

Ozone sterilizers work by producing ozone (O3) from medical-grade oxygen (O2) and using its powerful oxidizing properties to kill microorganisms. Here's a breakdown:

  • Ozone Generation: Ozone sterilizers generate ozone typically by applying electrical energy (corona discharge) to medical-grade oxygen. This electrical discharge splits the oxygen molecules (O2), allowing single oxygen atoms (O) to combine with other oxygen molecules (O2) to form ozone (O3).

  • Sterilization Process: The generated ozone is then circulated within the sterilization chamber.

  • Oxidative Damage: Ozone is a potent oxidizing agent. It works by disrupting the cellular components of microorganisms like bacteria, viruses, and fungi. Specifically, ozone damages the cell walls and membranes, and also interferes with the metabolic processes of these organisms.

  • Decomposition: After the sterilization cycle is complete, the ozone is typically converted back to oxygen. This decomposition can be achieved through various methods, such as using a catalyst or simply allowing the ozone to naturally break down over time. This ensures that no harmful ozone is released into the environment.

In essence, ozone sterilizers utilize the oxidative power of ozone, produced from medical-grade oxygen, to effectively eliminate microorganisms, and then safely convert the ozone back into oxygen.