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Role of Ozone To Disinfect Water

Engineer's, here is our online continuing education course material from the environmental protection agency (EPA) regarding the use of ozone to disinfect water. You will earn 4 PDH continuing education training hour upon conclusion of the CEU Leaf quiz.

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This course introduces an overview of the role of ozone in water treatment. Thereby the course particularly approaches to the in depth study of the use and utilization of this ozone chemistry as a disinfectant in water treatment. It also sheds lights on some fundamental information about ozone chemical and its role as an oxidant. Further this course entails with usage of ozone and relevant concern in water system, associated health impact, ozone mechanisms and long term effectiveness .Finally this course summarizes the evolution as well as current ozone disinfection practices in the United States as a disinfectant and oxidant.

This particular course offers the students an opportunity to get introduced with the need and use of ozone as a disinfectant in water treatment. And further the course will also assist to understand the mechanisms of ozone as disinfectant chemicals as well as oxidant and its health impact to ensure proper utilization of this practice.

Ozone was first used for drinking water treatment in 1893 in the Netherlands. While being used frequently in Europe for drinking water disinfection and oxidation, it was slow to transfer to the United States. In 1987, the Los Angeles Aqueduct Filtration Plant was placed in service and now treats up to 600 mgd of drinking water. In 1991, approximately 40 water treatment plants each serving more than 10,000 people in the United States utilized ozone (Langlais et al., 1991).

Engineer Learning Objectives:

  • Get introduced with the fundamental need for ozone as disinfection in water treatment.
  • Highlight the proper use of ozone as a disinfectant chemical and oxidant.
  • Uphold the proper condition of application of this chemical.
  • Identify basic information about ozone chemistry in water treatment.
  • Enumerate trends in Ozone Byproduct Control and their health effects
  • Describe disinfection parameters and inactivation of microorganisms in water system.
  • Instructed about relevant health impact
  • Learn about inactivation mechanisms, points of application and efficiencies of ozone as a disinfectant.
  • Enable to better express and illustrate the ozone chemistry in water treatment.
  • Learn the standard procedure to proper utilization of this ozone utilization.
  • Learn to summarize the evolution and current ozone disinfection practices in the United States.

This is a handout style continuing education PDH class that comprehensively reviews the publication.

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Online Format:

     Handout / Attachment

PDH Hours:


Engineer PDH Price: $90.00

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SVP (retired), Everett Prescott, Inc.

Gardiner, ME

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