Most likely some sort of salt, might have sodium in it but you’d have to
careful about decomposition
--FT
Sent from iPhone
> On Jul 21, 2020, at 10:32 PM, Allan Streib via Mercedes
> <mercedes@okiebenz.com> wrote:
>
> Is it molten salt or liquid sodium? Big difference, especially if
> there's any chance of exposure to water.
>
> Allan
>
> Floyd Thursby via Mercedes <mercedes@okiebenz.com> writes:
>
>> Yeah those molten salts can hold a tremendous amount of heat in the heat
>> of fusion but they are also quite corrosive, so there's that too.
>>
>> I have to remember those laws...
>>
>> 1. You can't win
>>
>> {\displaystyle \Delta U_{\rm {system}}=Q-W}
>>
>> 2. You can't break even
>>
>> \delta Q=T\,dS\,.
>>
>> 3. You can't get out of the game
>>
>> S=k_{\mathrm {B} }\,\mathrm {ln} \,\Omega
>>
>> --FT
>>
>>
>>> On 7/21/20 2:16 PM, G Mann via Mercedes wrote:
>>> Correct. The premise is the liquid sodium [salt solution] is heated to a
>>> very high temperature and stored in a thermal container which holds the
>>> heat until release. During the heating day, the solution is circulated
>>> from the heating grid [sun collection device] to the container in
>>> continuous loop [much like solar hot water heater systems, for example].
>>>
>>> At sundown, the PV panels drop off line, and the thermal container hot
>>> liquid is used to heat what is in practical sense, a steam boiler which
>>> drives turbines which drive generators.
>>>
>>> We have had two pilot systems built here in Arizona [another solar capital
>>> of the world for sunshine] at HUGE investment dollars.. both failed to
>>> produce enough electricity to make a return on investment.
>>> I'm sure some lessons were learned by their failure. Perhaps improvements
>>> are here and this one can actually work with a practical ROI. If it
>>> doesn't make its own money and the public funds run out... projects like
>>> this die...always.
>>>
>>> On Tue, Jul 21, 2020 at 11:00 AM Craig via Mercedes <mercedes@okiebenz.com>
>>> wrote:
>>>
>>>> On Tue, 21 Jul 2020 12:52:22 -0500 OK Don via Mercedes
>>>> <mercedes@okiebenz.com> wrote:
>>>>
>>>>> How do they make electricity from the stored heat??? Sounds complex to
>>>>> me.
>>>> Boiler and steam turbine.
>>>>
>>>>
>>>> Craig
>
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