Making usable salt takes quite a bit of doing but as you note, we are already doing it. I ran into this, it seems to explain how the sausage is made: https://

Making usable salt takes quite a bit of doing but as you note, we are already doing it. I ran into this, it seems to explain how the sausage is made: https://iopscience.iop.org/article/10.1088/1742-6596/1968/1/012013/pdf https://iopscience.iop.org/article/10.1088/1742-6596/1968/1/...