What Are the Major Disadvantages of Using Ozone Instead of Chlorine

question 28

Multiple Choice

What are the major disadvantages of using ozone instead of chlorine to disinfect water?

• A)Ozonation is more expensive than chlorination and ozone leaves an odor in the water.
• B)Ozonation causes trihalomethane formation and leaves an odor in the treated water.
• C)Ozonation causes trihalomethane formation and is more expensive than chlorination.
• D)Ozone does not provide long-term protection against waterborne viruses because it decomposes quickly and it is more expensive than chlorination.

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