Energy storage by salt hydration

Details Energy storage by salt hydration Energy storage by salt hydration

1978-04-24

1981-12-01

Scott, Samuel

Heat exchange

Regenerator

Checker brick structure

16510412, 126400, 126263, F28F 0000, F28D 1300, F24H 700, F24J 100

Patent

active

043031218

ABSTRACT:
A process and apparatus for energy storage wherein thermal energy from solar or waste heat derived sources is passed in thermal exchange relation with a hydrated inorganic salt, such as calcium sulfate, endothermically dehydrating the salt thereby storing chemical energy and releasing the stored energy as heat by passing water under hydration conditions in contact with the salt exothermically hydrating the salt. The released thermal energy is substantially isothermal and available for any desired use involving thermal energy input. The process and apparatus of this invention is particularly suited to utilization of solar derived thermal energy.

REFERENCES:
patent: 2856506 (1958-10-01), Telkes
patent: 4146057 (1979-03-01), Friedman
patent: 4153047 (1979-03-01), Dumbeck
P. G. Grodzka, `Some Practical Aspects of Thermal Energy Storage`, Proceedings of the Workshop on Solar Energy Storage Subsystems for Heating and Cooling of Buildings, 1975, Am. Soc. of Heating, Refrigeration and Air Cond. Engrs. Inc., pp. 68-71.

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