F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
F25J3/06—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C7/00—Purification; Separation; Use of additives
C07C7/005—Processes comprising at least two steps in series
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Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Organic Chemistry
(AREA)
Physics & Mathematics
(AREA)
Mechanical Engineering
(AREA)
Thermal Sciences
(AREA)
General Engineering & Computer Science
(AREA)
Analytical Chemistry
(AREA)
Oil, Petroleum & Natural Gas
(AREA)
Water Supply & Treatment
(AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum
(AREA)