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- Embed this notice@rstein @cstross @rayckeith ideally you want to make the hydrogen out of fresh water not salt water, but even so -- one question that nobody answers is "what do you do with all the minerals?"
So you filter the water, probably need to desalinate it, and then you split it. But soon you're left with millions of tons of salt and minerals from the processing that water. And oxygen. Did you capture it? Got a plan for it?
What do you do with it all? Nobody's buying it, and you can't just ignore it or bury it. You really really shouldn't just dump it back into the ocean either as you're just going to pollute the local ecosystem with a crazy high concentration of those minerals.
Hydrogen has so so many problems beyond "well what if we could get nearly free electricity with which to produce it?" and nobody seems to care. It's really disappointing that the news doesn't encourage a more honest discourse around it.