
1) Creator of potable water
Found on
https://www.crosswordclues.com/clue/desalter

A desalter is a process unit in an oil refinery that removes salt from the crude oil. The salt is dissolved in the water in the crude oil, not in the crude oil itself. The desalting is usually the first process in crude oil refining. The salt content after the desalter is usually measured in PTB - pounds of salt per thousand barrels of crude oil. ...
Found on
http://en.wikipedia.org/wiki/Desalter
No exact match found.