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Re:New technique stores summer heat until it's needed in winter by scotty79 on Thursday January 12, 2017 @06:50PM (#13387252)
> It will corrode many oxide-based ceramics (like toilet bowls) and aluminum.

...and human flash quite rapidly. So if your NaOH radiator leaks you might get sprayed with meat dissolving viscous liquid.

Re:New technique stores summer heat until it's needed in winter by ulrikrasmussen on Friday January 13, 2017 @08:04AM (#13390485)
I think practical applications would transfer the heat to pure water in a heat exchanger instead of delivering the NaOH directly to the radiator. In a well insulated system, the losses should be minimal
Re:New technique stores summer heat until it's needed in winter by thmsths on Thursday January 12, 2017 @08:09PM (#13387638)
And trying to rinse it with water (which is probably the first thing that anyone would do) will only make things worse.
Re:New technique stores summer heat until it's needed in winter by philipkglass on Thursday January 12, 2017 @08:30PM (#13387722)
No, if the sodium hydroxide is already in solution then diluting with copious water is one of the best ways to deal with a splash on skin. You're right that adding water makes the problem worse if you have e.g. a spill of prills to clean up.