In our institute we want to develop a seasonal thermal storage system based on absorption process. I know that a project based on this principle is running at the Empa (Switzerland) but I did not find information about other similar processes. Do you know if any similar project is running?
Thanks you
This information may be useful for your research
The aim of the project is to develop long-term energy storage equipment for house heating using absorption. Solar energy is stored in summer through desorption and heat is released in winter through absorption. The originality of this concept is to allow the solution to reach the crystallisation point, which is usually avoided in the absorption refrigeration machines. The potential energy densities of five absorption couples, LiBr-H2O, LiCl-H2O, CaCl2-H2O, NaOH-H2O and NH3-H2O, have been studied for this project. The storage capacity increases with the concentration after desorption and the temperature of the evaporator and decreases with the temperature of the absorber. The temperature requirement for the solar energy is lower than 135 °C with those couples.
Ref: Seasonal storage of solar energy for house heating by different
absorption couples
Liu Hui, Le Pierrès Nolwenn, Luo Lingai
talon.stockton.edu/eyos/energy...Thermochemical_storage/50.pdf
Dear Serena,
the COMTES project might be interesting for you. It is a large European project that aims at developing seasonal thermal storages based on PCMs or sorption materials. Please have a look at the following link:
http://www.aee-intec.at/index.php?seitenName=projekteDetail&projekteId=161
Regards,
Christoph
Maybe this documents help (I found them long time ago on the internet)
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