Which statement best describes the role of ozonation in wastewater treatment?

Prepare for the California Wastewater Treatment Operator Exam with our comprehensive quiz. Test your knowledge with multiple-choice questions covering various topics in wastewater treatment. Get ready to ace your exam!

Ozonation is a process used in wastewater treatment that primarily serves the purpose of disinfection. By introducing ozone, a strong oxidizing agent, to the water, it effectively breaks down and oxidizes organic matter, pathogens, and some inorganic pollutants. This action not only kills bacteria and viruses but also reduces harmful organic compounds, thereby improving the overall quality of the treated water.

The use of ozone is particularly beneficial because it leaves no harmful residues, which can be an issue with other disinfection methods. Ozone decomposes back into oxygen shortly after its application, making it an environmentally friendly choice. Therefore, its role is precisely focused on disinfection through the oxidation of organic matter, distinguishing it from other wastewater treatment processes that may focus on solid removal, pH stabilization, or nutrient enhancement.

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