Question

Q4. Why is it important to disinfect the clean water obtained from 2nd sedimentation tank? ​

Answer 1

Answer:

it's that...

Explanation:

The goal of disinfection of public water supplies is the elimination of the pathogens that are responsible for waterborne diseases. The transmission of diseases such as typhoid and paratyphoid fevers, cholera, salmonellosis, and shigellosis can be controlled with treatments that substantially reduce the total number of viable microorganisms in the water.

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Answer 2

Answer:

To kill harmful bacteria and microbes.

Explanation:

All the processes that occur during cleaning the water can remove small physical impurities, contaminating liquids, organic matter etc, but the water that comes out of second sedimentation tank has high probability of having microscopic impurities in them that need to be disinfected and hence, chlorine(Cl) is added in small amounts in kill those harmful microbes or microscopic impurities.

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