Refrigeration – Processes – Separating or preventing formation of undesirables
Patent
1996-06-19
1997-09-16
Sollecito, John M.
Refrigeration
Processes
Separating or preventing formation of undesirables
62475, 62303, F25B 4700
Patent
active
056668120
ABSTRACT:
A system for purifying a refrigerant (ammonia, Freon, etc.) puts impure liquid refrigerant into a container with a liquid chemical that reacts chemically with the impurity (water, acid, etc.) to form a solid or liquid. The vaporization temperatures of the chemical and the reaction product is substantially higher than that of the refrigerant. The chemical does not react with the refrigerant. The impure refrigerant is added to the liquid decontaminant in such a way as to cause vigorous mixing so that efficient reaction occurs between the liquid decontaminant and one or more of the impurities. The refrigerant is allowed to evaporate out of the container. Since the reaction product stays in the container, the refrigerant vapor is very pure. The vaporization temperature of the reaction product is higher than that of the impurity, so that the purity of the refrigerant vapor is much greater than the vapor resulting from straight distillation.
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IPG Corporation
Sollecito John M.
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