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It doesn't. Any salt extraction creates brine which must be disposed of somehow.
by Johnythree 5y ago
It doesn't. Any salt extraction creates brine which must be disposed of somehow.
- neilwilson 5y agoThe trick is to flow seawater past the still and take only, say, 1% of the water from each litre that flows past, which you can do with a still as opposed to a filter. It's a bit like slingshotting a space probe past venus. Technically to move Venus a bit closer to the sun, but not enough to make a difference.