Treatment of water

Hello every one,
I would like to explain about the how the ground water can be treated.What is the process for treatment of ground water.
1.Aeration: In this water contains some gases likes carbondioxide and H2S and..These are not good for drinking so we have to remove by adding excess amount of Oxygen.
2.Softening:This process is to reduce the hardenss present in water.Lime and soda ash are used in order to remove hardness
3.Coagulation:For destabilizing the paticle and in order to settle the partice this process is used.
4Filtration:It is to remobe remaining turbidity and to destroy the pathogens.
5.Disfention.There are so many process in disinfection.
6.Storage: Finally we store the water.
Then we suplly to the people
Thank you guys.

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