Yeah, but I can make an electric pickle.
Yes, but what about the fish? The enviros want to know!
I wonder how they will tax and control this? I am sure the NY Slimes will have an article soon saying that we are going to run out of saltwater soon. /s
Why is electricity needed to get the activated carbon to absorb the Na+ and Cl- ions? Why can’t the carbon do that of its lonesome? Also how quick does the carbon load up and can it be electrically purged of the same ions into salt water?
I find the carbon nanotube filtration more intriguing. The pores are literally too small for anything larger than water molecules to pass through. So it can remove salt from water, but it can also filter out microorganisms, poisons, metals, etc. Water flows through it 10,000 times more easily than through existing reverse osmosis membranes which require a lot of energy to force water through them.
They’ve been using membranes to convert salt water into fresh water for several decades. All these guys did was make the membrane into a tube. for convenience.
I hope the patent office wasn’t stupid enough to give them a patent on stuff that’s been around for decades.
Can someone help me with a half-remembered factoid?
It was many years ago and I was speed reading, and it may have been just speculative alternative history trash. But I seem to recall that there was a very low-tech way of desalinizing at sea. It had to do with dragging a small container of water alongside the ship, and the item was either made of a certain material or was designed in a certain way, and the action of passing through the sea in a moving ship was a factor.
Never could find it again but I’m positive I read it somewhere.
When they find a way to change water into wine, call me first?
A solar still can make freshwater from saltwater too and with no moving parts and no energy input except the sun. They are cheap too. http://www.solaqua.com/solstils1.html
This is stupid. Every time I’ve been at sea, I drink deeply of the ocean water. The salt is GOOD for you!
The voltage requirement for capacitive deionization is also very low, so there is no potential advantage there.