Draw a flow diagram to show the water purification system in water works

is-matter-arround-us

#1

Draw a flow diagram to show the water purification system in water works.


#2

In filtration tank water passes through different layers of sand and gravel as shown in the above figure this is for adsorption of impurities.
The clear water reaches a chlorinated tank where water is mixed with bleaching powder/chlorine to kill bacteria and then supplied to houses.