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By which process, odor producing substances are oxidized?

(a) Chlorination

(b) Liming

(c) Re-carbonation

(d) Super-chlorination

I had been asked this question in a job interview.

I need to ask this question from Types of Unit Operations in section Unit Operations for Wastewater Treatment, Preliminary Treatment of Environmental Engineering

1 Answer

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Best answer
Right choice is (d) Super-chlorination

Best explanation: By addition of chlorine dioxide to wastewater, odor producing substances are oxidized.

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