Removal of salts from water
Desalination is a process that removes mineral components from saline water. More generally, desalination is the removal of salts and minerals from a substance. One example is soil desalination. This is important for agriculture. It is possible to desalinate saltwater, especially sea water, to produce water for human consumption or irrigation....
De-salt it with free indirect fusion power capture and pipe it uphill using that same free energy to municipal water reclamation stations across the nations that's my pitch I just need $30 million to get started