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How does molten salt solar plants solve those problems?
by belorn 3y ago
How does molten salt solar plants solve those problems?
- tuatoru 3y agoI believe they use salts of other metals, not sodium. But in any case, in a salt the metal has already reacted with something and is unlikely to react further with commonly encountered substances.
- _a_a_a_ 3y agoBecause a salt is an already-reacted substance. Molten sodium and molten sodium chloride are utterly different, for example. https://onlinelibrary.wiley.com/doi/10.1002/cite.202000137 https://onlinelibrary.wiley.com/doi/10.1002/cite.202000137 "In commercial CSP plants, almost exclusively a non-eutectic salt mixture of 60 wt % sodium nitrate and 40 wt % potassium nitrate is utilized. This mixture is commonly referred to as Solar Salt"
- ChrisMarshallNY 3y agoI've heard that salt has corrosion issues. These may also apply to sodium, though.
- selcuka 3y agoThe Wikipedia article says that sodium actually protects metals from corroding, but I am unable to see how that works by reading the citation.
- hermitcrab 3y agoSome very reactive substances react with their container vessel to form a non-reactive 'skin' on the inside of the vessel. I don't know if they applies in this case.