Quote:
Originally Posted by Rusty
It's called "Reverse Osmosis" and is very expensive. Some countries use it a lot... Australia is one of them.
The United States still has plenty of potable water so we don't need to use it that much right now.
You can buy a "Reverse Osmosis" filtering unit at Walmart for @ $250.
|
The ships I was on back in the 60's used evaporators to make fresh water.