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What is the detention time of a water softening accelerator?

(a) 1-6minutes

(b) 20minutes

(c) 30 minutes

(d) 1-2hours

This question was addressed to me by my college director while I was bunking the class.

The question is from Lime Soda Process in chapter Water Softening of Environmental Engineering

1 Answer

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Best answer
The correct option is (d) 1-2hours

Explanation: A water softening accelerator is a device that is used for mixing, flocculation and clarification of water and they have a short detention period in comparison to a sedimentation tank that is 1-2hours.

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