desalter
/ˈdɛsˌɔltər/Definitions
1. noun
A device or system used to remove salt and other minerals from water or other liquids.
“The desalter on the oil rig played a crucial role in purifying the crude oil.”
2. verb
To remove salt and other minerals from water or other liquids, typically using a desalter.
“The saltwater was desalted to make it safe for human consumption.”