Describe the steps involved in getting clarified water from wastewater.

Question

Filo · Accepted Answer

Clarified water is water which has undergone clarification to remove suspended solids and solid particles. Water clarification is used in the pre-treatment of drinking water, prior to further purification, and the treatment of municipal wastewater and industrial effluent.
Following steps are involved in the purification of water:

(i) Firstly all the physical impurities like stones, plastic bags, cans, etc. are to be removed. It is done by passing the water through bar screens.

(ii) Then water is taken to grit and sand removal tank where impurities are removed by sedimentation.

(iii) Solid impurities and faeces etc. are collected from the bottom of the water. These impurities collected are called sludge.

(iv) Clarified water is cleaned of other impurities by the aerator. All disease-causing bacteria are removed by chlorination.

Question Text	Describe the steps involved in getting clarified water from wastewater.
Answer Type	Text solution:1
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