Water purification in water treatment plant.

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Presentation transcript:

Water purification in water treatment plant

water in treatment plant Water purification in water treatment plant water in reservoir water in treatment plant   public use

Screening Flocculation Sedimentation Sand filtration Chlorination Water purification in water treatment plant In water treatment plants, water purifying steps are: Screening Flocculation Sedimentation Sand filtration Chlorination Fluoridation

Fluoridation Screening Flocculation Sedimentation Sand filtration Water purification in water treatment plant Screening Flocculation Sedimentation Sand filtration Fluoridation Chlorination

A metal screen is used to remove large objects Water purification in water treatment plant 1 Screening A metal screen is used to remove large objects 2 Flocculation Some chemical is added to remove fine solid particles

Allows solid particles to sink to bottom Water purification in water treatment plant 3 Sedimentation Allows solid particles to sink to bottom 4 Sand filtration Removing any fine particles

Chlorine is added to kill micro-organisms Water purification in water treatment plant 5 Chlorination Chlorine is added to kill micro-organisms 6 Fluoridation Fluoride is added to protect teeth

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