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To get a salt cavity just pump in water in salt deposit and pump out brine. It can be used to store H2, CH4 or compressed air, from 70 to 200 bars. H2 is way mo
by hokkos 6y ago
To get a salt cavity just pump in water in salt deposit and pump out brine. It can be used to store H2, CH4 or compressed air, from 70 to 200 bars. H2 is way more energy dense, but has a lower efficiency round trip. There is many salt deposit around the world.
- Scoundreller 6y agoDisposing of the brine is a bit complicated when you have nothing but freshwater lakes around :) I'm guessing they're planning on using the existing caverns from mining. Unsure if they plan on expanding.
- joncrane 6y agoCan't they just evaporate off the water and use the remaining salt to treat roads in the winter?