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Environment & Energy

CentralMass

(16,993 posts)

3. There is some research going on with graphene membrane filters that looks very promising.

Reply to NNadir (Reply #2)

Thu Mar 22, 2018, 08:00 AM

Mar 2018

http://www.bbc.com/news/science-environment-39482342

A crude description of it is that they are creating a fine sieve like filter of which the holes can be sized such that sodium chloride molecules can not pass through it when salt water is pumped through it. The technology requires much less water pressure the the current membranes being used for desalination. I've heard figures quoted like 80% less.

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Plight of Phoenix: how long can the worlds 'least sustainable' city survive? [View all] nitpicker Mar 2018 OP

I hope they plan to JNelson6563 Mar 2018 #1

Phoenix is far from the sea, and desalination is energy intensive. NNadir Mar 2018 #2

There is some research going on with graphene membrane filters that looks very promising. CentralMass Mar 2018 #3

Good idea.... paleotn Mar 2018 #5

Yes, and we wouldn't want to pollute their oil fields with water pipeline spill. CentralMass Mar 2018 #7

I've read quite a bit about membranes. They are not free energy. NNadir Mar 2018 #9

Then they should start packing. JNelson6563 Mar 2018 #4

If I lived there I would. We had an outstanding member... NNadir Mar 2018 #10

And we think Cape Town has problems.... paleotn Mar 2018 #6

GOP controlled state is not only unprepared ThoughtCriminal Mar 2018 #8