by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream

Full Title

Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification > by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES

Subclass:

LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT

Child Classifications

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• F25J 3/04 for air