Question

How water is purified in water works. Explain with neat and labelled diagram?​

Answer 1

Answer:

Water is purified on a large scale in establishments that are known as waterworks. ... Water pumped from the source (river, lake or dam) is allowed to stand in large tanks, called settling tanks, for a few hours. Mud, sand and other suspended particles settle down. The addition of a small quantity of potash alum (K2SO4

Explanation:

Answer 2

Answer:

Following steps are involved to purify water at water works: ... Thus, the process of loading removes the suspended clay particles from water. It is then passed through a 'filtration tank' having three layers, i.e., fine sand layer on the top, coarse sand layer in the middle and gravel layer at the bottom .

See pic.