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What you can see in this pictures ? - PowerPoint PPT Presentation


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What you can see in this pictures ?. DO YOU KNOW FROM WHERE WE GET CLEAN WATER? STREAM WATER TAP WATER. RAINFALL WELL WATER. Can we drink this water ?. This dirty water is called as WASTE WATER OR SEWAGE. Different sources of waste water.

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how each person is wasting water
How each person is wasting water ?
  • Home – kitchen waste
  • Industries – chemical waste
  • Daily process – bathing , shaving
  • Mining waste - minerals
  • Hospital waste –blood , chemicals
the waste from above all areas is called as the sewage
The waste from above all areas is called as theSEWAGE
  • Sewage has dissolved and suspended impurities called CONTAMINANTS OR POLLUTANTS
sewage is made up of following constituents
Sewage is made up of following constituents
  • ORGANIC IMPURITIES e.g. urine, waste from kitchen, animals, plants, pesticides
  • INORGANIC IMPURITIES e.g.phosphates,nitrates,metals like iron, copper
  • NUTRIENTS e.g. nitrogen, phosphorus
  • BACTERIA & MICROBES e.g. typhoid microbe
purification of sewage
PURIFICATION OF SEWAGE

FILTRATION

CHLORINATION

Use of chlorine to clean water

Removing the impurities and contaminants

USABLE WATER

SEWAGE ORWASTE WATER

SEWAGE TREATMENT PLANT

sewage treatment plant waste water management
SEWAGE TREATMENT PLANT/WASTE WATER MANAGEMENT

A process of removing pollutants or contaminants from waste water.

importance of waste water treatment
IMPORTANCE OF WASTE WATERtreatment
  • The treated water from the sewage treatment plant is discharged in sea, river for further purification .
  • The treated water is used for agricultural activities like irrigation .
good habits of using water
GOOD HABITS OF USING WATER
  • Turn off the tap while brushing.
  • Mop the floor instead of washing.
  • Repair the leaking taps or inform the elders.
  • Solid food remains should be thrown in the dustbin
  • Cooking oils & fats should not be thrown down the drain – blocks the drain
  • Chemicals like paints, solvents, medicines kill microbes that purify water