The diagram shows the process of water treatment

The image above depicts the

process

of

water

treatment.

Overall

, there are 10 stages from the source to the faucet in the houses.

The first step is

intake screens that collect the

water

by pumps, normally from a river or lake.

Then

, there is a flash mix including oxidants and

poly aluminium

Correct your spelling

polyaluminium

chloride. The next

process

is flocculation, followed by a settling basin, where the

water

rests for a

while

to share some particles. Afterwards, the

water

is chlorinated using chlorine and passes through a filter membrane that removes solids and other materials.

Then

, the

water

is disinfected with some chemical products

such

as chlorine, lime, sodium hydroxide and fluoride. In the

last

stage, the clean

water

flows by another pump until reaches the houses' sinks, ready to be consumed. In all the steps, pipes and pumps

to

Fix the infinitive

apply

show examples

pull the

water

keeping it in a continuous

process

.

This

process

is only for sweet

water

. For salted

water

, from oceans, there is another

process

.