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The minimum reaction time allowed in the recarbonation basin is ____________

(a) 5minutes

(b) 10minutes

(c) 15minutes

(d) 20minutes

I had been asked this question in homework.

This intriguing question originated from Lime Soda Process in section Water Softening of Environmental Engineering

1 Answer

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Best answer
Right answer is (d) 20minutes

Easy explanation: During lime soda treatment, the recarbonation of water is done in recarbonation basin where the minimum reaction time is 20minutes.

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