The chart illustrates the process of seawater desalination, which
are coped with by totalincludes four steps
in total to make seawater safer for humans to drink.
It can be clearly seen that the seawater is first taken into the pre-treatment filter container through a pipe where the filter backwash is returned to the sea by another pipe
. N ext, the
leftfiltered/treated/processed water is forced to
pass through membrance at high pressure, where the water molecules pass to the next step while the left concentrated seawater which contains the salt and inpurities is returned to the sea once again
. T he third step is the post-treatment, which tranfers the water into the container
wherewhich are filled with lime, chlorine and fluoride. Afterwards, the water is stored
into the storage in reservoirs where it is prepared for
integratingbeing integrated into the water supply system for human consumption.
Overall , there are
total four steps
in total which could be divided into three main processing procedures and one storage procedure from seawater to freshwater
bywith the seawater desalination equipment.
about the word 'intake', I check it on the dictionary, it seems it is a noun. (please check once again)
Yes, you are right. I think I saw this word used as a verb. Maybe they were just some misuses. I should replace it with
take in. Thank you very much:)