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The dosage of ozone for municipal water treatment is __________

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The dosage of ozone for municipal water treatment is __________

(a) 0.5 ppm

(b) 1ppm

(c) 1.5 ppm

(d) 2ppm

The question was posed to me during an online interview.

This interesting question is from Iodine, Bromine and Ozone Treatment topic in portion Properties of Disinfection of Environmental Engineering

1 Answer

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Best answer
Right answer is (c) 1.5 ppm

The best explanation: The dosage of ozone for municipal water treatment is 1.5ppm, which is not only used for disinfection but also it removes taste, color and odor from water.

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