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Flocculation of iron from water by the addition of lime is an example of which of the following process?

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in Environmental Engineering by (81.4k points)
Flocculation of iron from water by the addition of lime is an example of which of the following process?

(a) Chemical precipitation

(b) Chemical coagulation

(c) Ion exchange

(d) Adsorption

The question was posed to me in an online interview.

Enquiry is from Types of Unit Operations in portion Unit Operations for Wastewater Treatment, Preliminary Treatment of Environmental Engineering

1 Answer

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Best answer
Right option is (a) Chemical precipitation

To explain I would say: Chemical precipitation removes the dissolved substance from the effluent through ion transfer where precipitation of dissolved impurities takes place.

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