Water Purification

Flowchart showing water purification process

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Water taken from Water pumped into plant
reservoirs, rivers and through a screen to catch
aquifers big particles such as twigs
Air is blown through in flotation A coagulant such as Iron(III)
tanks to make the coagulated Sulphate is added to make
particles float to the top, after small suspended particles
which they are skimmed off stick together
The water is then passed It may then be filtered again
through a bed of fine sand to with sand, or using charcoal to
filter it remove bad tastes and smells
A flouride compound may be Chlorine (Cl2) is added to kill
added to help fight tooth
decay bacteria and other microbes
Water is pumped to storage
reservoir, ready for pumping to


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