Chemically assisted mechanical refrigeration process

Details Chemically assisted mechanical refrigeration process Chemically assisted mechanical refrigeration process

F - Mech Eng,Light,Heat,Weapons

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62/23

F25B 1/00 (2006.01) F25B 25/02 (2006.01) F02B 75/02 (2006.01)

Patent

CA 1233655

CHEMICALLY ASSISTED MECHANICAL REFIRGERATION PROCESS ABSTRACT There is provided a chemically assisted mechanical refrigeration process including the steps of: mechani- cally compressing a refrigerant stream which includes vaporized refrigerant; contacting the refrigerant with a solvent in a mixer (11) at a pressure sufficient to pro- mote substantial dissolving of the refrigerant in the solvent in the mixer (11) to form a refrigerant-solvent solution while concurrently placing the solution in heat exchange relation with a working medium to transfer energy to the working medium, said refrigerant-solvent solution exhibiting a negative deviation from Raoult's Law; reduc- ing the pressure over the refrigerant-solvent solution in an evaporator (103 to allow the refrigerant to vaporize and substantially separate from the solvent while concur- rently placing the evolving refrigerant solvent solution in heat exchange relation with a working medium to remove energy from the working medium to thereby form a refriger- ant stream and a solvent stream; and passing the solvent and refrigerant stream from the evaporator.

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