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