With the advance of building technologies (insulation, low energy) cold production takes an increasingly important part. For the industrial sector, cold production by adsorption makes it possible to use waste heat and to make big savings in electricity compared to a conventional cooling system. For the tertiary sector a hot production system (boiler, heat pump,...) is still essential but a cold production system is becoming more and more necessary to ensure comfort in summer. Large housing centers, such as retirement homes for example, are also increasingly in need of cooling the interior of their building.
What makes the thermal cooling system by adsorption so special is that it is not driven by electricity but by heat:
Adsorption: exothermic reaction, capture of a gaseous molecule (water) on the surface of a solid.
Desorption: endothermic reaction, extraction of a gaseous molecule (water) from the surface of a solid.
General principle of the cooling system by adsorption: evaporate a refrigerant (water) by capturing heat, thus producing cooling.
Cooling systems by adsorption (chillers) are very easy to integrate into buildings.
Adsorption chillers can be installed and used in a wide variety of fields (non-exhaustive list):
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