Patent ID: 9506671
Filing Date: 2016-11-29
CPC Classification: C01D,C01F,C09K,F24S,F28D,Y02E,Y02P

Claim Text:
1. A heat transfer medium for a solar power plant, wherein: the heat transfer medium can store water, the heat transfer medium absorbs water exothermically, the heat transfer medium desorbs water endothermically, the heat transfer medium comprises a mixture of two or more components, at least one of the components is a salt hydrate, which thermally dehydrates without decomposition, the salt hydrate is at least one hydrate selected from the group consisting of K2HPO4.xH2O, KF.xH2O, CaCl2.xH2O, LiNO3.xH2O, Na2SO4.xH2O, Na2CO3.xH2O, LiBr.xH2O, CaBr2.xH2O, Na2HPO4.xH2O, Ca(NO3)2.xH2O, Na3PO4.xH2O, Na4P2O7.xH2O, LiCl—.xH2O, wherein x has a value of 1 to 12, the heat transfer medium melts in an anhydrous state at a temperature of from 110 to 140° C. the heat transfer medium is partially liquid at a temperature of from 50° C. to 70° C., the heat transfer medium is liquid at a temperature of from 95° C. to 120° C., and the heat transfer medium dehydrates without decomposition at temperatures over 400° C.