F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification

Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
11/1987
11/10/1987	US4705549 Separation of C3+ hydrocarbons by absorption and rectification
11/10/1987	US4705548 Liquid products using an air and a nitrogen recycle liquefier
11/05/1987	WO1987006684A1 Krypton separation
11/03/1987	US4704148 Cycle to produce low purity oxygen
11/03/1987	US4704147 Dual air pressure cycle to produce low purity oxygen
11/03/1987	US4704146 Liquid carbon dioxide recovery from gas mixtures with methane
11/03/1987	CA1228798A1 Hydrogen concentration method and installation
10/1987
10/27/1987	US4702819 Process for separation of hydrocarbon mixtures
10/27/1987	US4702757 Distillation
10/22/1987	WO1987006329A1 Companded total condensation loxboil air distillation
10/21/1987	EP0241817A2 Process and apparatus for the production of nitrogen
10/21/1987	CN87100950A Recovering hydrogen from blowing air of ammonia converter by separating method of combining low temp. with non low temp.
10/20/1987	US4701201 Separation out nitrogen from feed, then heat exchanging the helium with nitrogen
10/20/1987	US4701200 Process to produce helium gas
10/20/1987	US4700771 Multi-zone boiling process and apparatus
10/13/1987	US4699642 Pressurization, cooling, expansion, evaporation
10/13/1987	US4699209 Heat exchanger design for cryogenic reboiler or condenser service
10/08/1987	DE3709588A1 Vorrichtung zur zerlegung von gasen mittels koaxial ineinander angeordneter rektifikationskolonnen Apparatus for dissection of gases by means of distillation columns arranged coaxially one
10/07/1987	EP0240188A2 Process for separating hydrocarbon gas constituents
10/07/1987	EP0240186A2 Process for separating hydrocarbon gas constituents
10/06/1987	US4698081 Process for separating hydrocarbon gas constituents utilizing a fractionator
10/06/1987	US4698079 Low-temperature fractional distillation apparatus recirculates gases; saves energy; avoids break-downs
10/06/1987	US4697635 Parallel wrapped tube heat exchanger
10/06/1987	US4697415 Combined gas and steam-turbine power generating station
10/06/1987	CA1227739A1 Natural gas liquids recovery unit
09/1987
09/30/1987	EP0239235A1 Argon recovery from hydrogen depleted ammonia plant purge gas
09/29/1987	US4696689 Jl.ll.op
09/22/1987	US4695304 Separation of CO2 from a gaseous mixture
09/22/1987	US4695303 Method for recovery of natural gas liquids
09/22/1987	CA1227123A1 Nitrogen rejection from natural gas integrated with ngl recovery
09/16/1987	EP0236907A1 Heat exchanger for boiling liquids
09/09/1987	EP0236037A2 Ammonia synthesis
09/09/1987	EP0235295A1 Oxygen gas production unit
09/02/1987	EP0234895A2 Recovery of argon
09/01/1987	US4690702 Natural gas, hydrocarbon condensates, petroleum gases;
08/1987
08/27/1987	WO1987005098A1 Oxygen and argon by backpressured distillation
08/26/1987	EP0233609A2 Improved nitrogen rejection fractionation system for variable nitrogen content natural gas
08/25/1987	US4689063 Process of fractionating gas feeds and apparatus for carrying out the said process
08/25/1987	US4689062 Argon recovery from ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means
08/19/1987	EP0232426A1 Oxygen gas production unit
08/18/1987	US4687499 Process for separating hydrocarbon gas constituents
08/18/1987	US4687498 Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means
08/12/1987	EP0231949A1 Process to separate nitrogen and methane
08/12/1987	EP0225911A4 Increased argon recovery from air distillation.
08/05/1987	EP0230754A1 Separation of gaseous mixtures
07/1987
07/29/1987	EP0229803A1 Process and plant for the distillation of air.
07/22/1987	EP0229666A1 Parallel wrapped tube heat exchanger
07/21/1987	US4681612 Process for the separation of landfill gas
07/15/1987	EP0228623A1 Process for separating C5+-hydrocarbons from a gaseous stream
07/14/1987	US4680041 Method for cooling normally gaseous material
07/14/1987	CA1224136A1 Cryogenic triple-pressure air separation with lp-to- mp latent-heat-exchange
06/1987
06/30/1987	US4676812 Rectification
06/30/1987	CA1223519A1 Method and apparatus for withdrawing a bottom product from a low-temperature rectifying column
06/30/1987	CA1223518A1 Cryogenic production of ammonia synthesis gas
06/24/1987	EP0225911A1 Increased argon recovery from air distillation.
06/23/1987	US4675036 Process for the separation of C2+ or C3+ hydrocarbons from a pressurized hydrocarbon stream
06/23/1987	US4675035 Carbon dioxide absorption methanol process
06/09/1987	US4671813 Highly pure nitrogen gas producing apparatus
06/02/1987	US4670031 Cryogenic separation
05/1987
05/26/1987	US4668260 Air, compressors, heat exchangers, cryogenics, liquefaction, storage, pipes
05/20/1987	EP0222026A1 Process to produce an oxygen-free krypton-xenon concentrate
05/19/1987	US4666483 Method and installation for recovering the heaviest hydrocarbons from a gaseous mixture
05/19/1987	US4666481 Reduction of power requirements
05/19/1987	CA1221903A1 Separation of ethane and higher hydrocarbons from natural gas
05/13/1987	EP0221887A2 Gas storage process
05/13/1987	CN86105412A Step-shaped thermal redaimation and its producing method of gas combined products
05/12/1987	US4664687 Cooling, heat exchanging, expansion, rectification
05/12/1987	US4664686 Double column cryogenic rectification nitrogen rejection unit
05/12/1987	CA1221617A1 Production of pure nitrogen
05/12/1987	CA1221616A1 Nitrogen rejection process incorporating a serpentine heat exchanger
05/06/1987	EP0220722A2 Tonnage nitrogen air separation with side reboiler condenser
05/05/1987	US4662919 Nitrogen rejection fractionation system for variable nitrogen content natural gas
05/05/1987	US4662918 Air separation process
05/05/1987	US4662917 Process for the separation of air
05/05/1987	US4662916 Process for the separation of air
04/1987
04/29/1987	CN86105913A Process for the separation of csub 2+-hydrocarbons from natural gas
04/28/1987	CA1221023A1 Process using serpentine heat exchange relationship for condensing substantially single component gas streams
04/28/1987	CA1221021A1 Process and plant for removing methane and argon from crude ammonia synthesis gas
04/22/1987	EP0218741A1 Process to produce a krypton-xenon concentrate and a gaseous oxygen product
04/22/1987	EP0218740A1 Process to produce a krypton-xenon concentrate from a liquid feed
04/21/1987	US4659351 Purification by liquifaction separation, absorption, cooling
04/15/1987	EP0218467A1 Method of destilling air
04/14/1987	US4657571 Process for the recovery of heavy constituents from hydrocarbon gaseous mixtures
04/14/1987	CA1220411A1 Cryogenic process for removing acid gases from gas mixtures by means of a solvent
04/07/1987	US4655809 Air separation process with single distillation column with segregated heat pump cycle
03/1987
03/31/1987	US4654063 Combination of membrane and non-membrane separation
03/31/1987	US4654047 Hybrid membrane/cryogenic process for hydrogen purification
03/31/1987	US4653572 Dual-zone boiling process
03/17/1987	CA1219225A1 Process and apparatus for the separation of a mixture of gases
03/11/1987	EP0213548A2 Cascade heat recovery with coproduct gas production
03/11/1987	EP0213525A1 Hybrid membrane/cryogenic process for hydrogen purification
03/05/1987	DE3531308A1 Process for separating C3+ hydrocarbons from natural gas
03/04/1987	EP0212311A1 Combined cycle power station
03/04/1987	EP0211957A1 Apparatus for producing high-purity nitrogen and oxygen gases
03/04/1987	CN85106136A Refrigeration method and apparatus
03/03/1987	US4647299 Process to produce an oxygen-free krypton-xenon concentrate
03/03/1987	US4646822 Heat exchanger
03/03/1987	CA1218595A1 Cryogenic process for the selective removal of acid gases from gas mixtures by means of a solvent
02/1987
02/26/1987	WO1987001185A1 Oxygen gas production unit
02/26/1987	WO1987001184A1 Oxygen gas production unit

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