Thesaurus Dictionary
Synonyms and antonyms of Treating water in American Thesaurus
Treating water
desalination (noun)
the process of removing salt from ocean water so that the water can be used. A desalination plant is a place where this process takes place.
water softener (noun)
a substance or piece of equipment used for removing unwanted (=not wanted) minerals from water
fluoridate (verb)