Method of separating vaporous substances from air saturated with

Details Method of separating vaporous substances from air saturated with Method of separating vaporous substances from air saturated with

1995-05-04

1996-04-16

Kilner, Christopher

Refrigeration

Processes

Circulating external gas

62 17, 62 20, 62 27, F25J 300

Patent

active

055071473

ABSTRACT:
The invention relates to a method of separating from a gaseous medium vaporous substances having a low boiling point contained in high proportions in the medium, by subjecting said medium to a scrubber where said vaporous substances are precipitated as cold liquid condensates the coldness component of which is transferred to a circulating refrigerant. Provisions are made for different levels of coldness by utilizing cold-vapor and cold-air refrigeration units in which condensates and clean air produced by the system are used as refrigerants. Heat generated by a compressor in the cold-air refrigeration unit may additionally be used in a degassing unit used to remove non-condensible components from the condensate and/or refrigerant.

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