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The process of removal of excess chlorine from water is ____________

(a) Plain chlorination

(b) Dechlorination

(c) Super chlorination

(d) Double chlorination

I got this question during a job interview.

This key question is from Forms of Chlorination topic in section Properties of Disinfection of Environmental Engineering

1 Answer

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Best answer
The correct answer is (b) Dechlorination

The explanation is: Dechlorination is the process of removal of excess chlorine from water. It can be done aeration or by the use of various chemicals like activated carbon, sodium sulfate in liquid form.

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