water treatment

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4 Terms

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sedimentation
wate is stored in large tanks. this slows down water flow allowing large insoluble particles on settle at the bottom
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filtration
the water is sprayed onto layers of sand and gravel meaning smaller and insoluble particles are removed
3
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chlorination
chloride ga is pumped into water to sterilizes it
4
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why do we treat water
because it contains harmful microorganisms and insolubles. it is done to remove harmful substances from water before giving it to the public.