Waste Water Management
- Water is essential for life.
- About 71% of the earth’s surface is covered with water. It is present as ground water, in seas, oceans, rivers, lakes, ice caps, and in atmosphere.
- Wells, rivers, ground water reservoirs or lakes are sources of fresh water.
- Ocean and sea water is not potable because they contain large amount of dissolved salts.
- Water is a necessity for every form of life. It is used for domestic activities, irrigation, industrial purposes, etc.
- 22nd March is celebrated as World Water day.
- Water is necessary for every form of life. Clean water is the basic requirement of humans.
- Cleaning of water is the process of separating pollutants from the wastewater before it is released into a water body or is reused.
- All the waste matter created is sewage and is carried away in sewers.
- From the sewer, the waste matter enters the sewage treatment plant for disposal.
Sewage treatment plant:
- It reduces the pollutants in waste matter.
- Sludge is the end product of sewage treatment. It is a thick, viscous matter that settles at the bottom of the tank.
- Sludge is decompose…
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