Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25J - Liquefaction, solidification, or separation of gases or gaseous mixtures by pressure and cold treatment › 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)
07/1998
07/23/1998WO1998031973A1 Process and apparatus to produce lng
07/22/1998EP0854335A2 Perfluorocompound separation and purification method and system
07/22/1998EP0697573B1 Heat exchanging apparatus
07/22/1998EP0676604B1 Heat exchanging unit and heat exchanging apparatus
07/22/1998CN1188535A Method of liquefying and treating natural gas
07/21/1998US5783162 Argon purification process
07/15/1998EP0852964A1 Catalytic removal of acetylene during air separation
07/15/1998CN1187877A Energy saving process
07/15/1998CN1187612A Catalytically removing acetylene in air separation
07/14/1998US5779863 Fractional distillation
07/14/1998US5778700 Method of producing gaseous oxygen at variable rate
07/14/1998US5778699 Process and installation for the production of argon by cryogenic distillation
07/14/1998US5778698 Ultra high purity nitrogen and oxygen generator unit
07/10/1998CA2226592A1 Catalytic removal of acetylene during separation of air
07/09/1998WO1998029366A1 Recovery of a secondary ethylene stream from an ethylene purification process
07/08/1998EP0852325A2 Cryogenic hybrid system for producing low purity oxygen and high purity nitrogen
07/08/1998CN1186862A Process for feeding gas-consuming unit
07/07/1998US5776316 Liquid redistribution system
07/07/1998US5775129 For use with a sump to condense a vapor and vaporize a liquid
07/07/1998US5775128 Process for producing ammonia and recovering argon using low purity oxygen
07/07/1998CA2219859A1 Cryogenic hybrid system for producing low purity oxygen and high purity nitrogen
07/07/1998CA2145445C Cryogenic rectification system for producing elevated pressure nitrogen
07/02/1998WO1998028226A1 Method for purifying a cryogenic fluid by filtration and adsorption
07/02/1998CA2275962A1 Method for purifying a cryogenic fluid by filtration and adsorption
07/01/1998CN1186216A Process and plant for separation of mixture of hydrogen and/or at least one hydrocarbon and/or nitrogen and/or carbon monoxide
06/1998
06/30/1998US5771714 Feed comprising helium, nitrogen, hydrocarbons
06/30/1998US5771713 Cryogenic rectification system for recovery of fluorine compounds
06/30/1998US5771712 Gas stream is cooled, expanded, condensated and separated
06/23/1998US5768914 Process to produce oxygen and argon using divided argon column
06/23/1998US5768913 Process based mixed refrigerants for ethylene plants
06/23/1998US5768912 Liquefaction process
06/23/1998CA2075668C Process for the recovery of c2+ or c3+ hydrocarbons
06/18/1998WO1998026243A1 Method and apparatus for controlling condensation of gaseous hydrocarbon stream
06/17/1998EP0848220A1 Method and plant for supplying an air gas at variable quantities
06/17/1998EP0848219A2 Cryogenic rectification system for producing argon and lower purity oxygen
06/17/1998EP0848218A2 Cryogenic rectification system for producing lower purity oxygen and higher purity oxygen
06/17/1998CN1184925A Cryogenic rectification system for producing lower purity oxygen and higher purity oxygen
06/16/1998US5765631 Fluid circulation apparatus
06/16/1998US5765397 Air liquefaction separation process and apparatus therefor
06/16/1998US5765396 Cryogenic rectification system for producing high pressure nitrogen and high pressure oxygen
06/12/1998CA2224742A1 Method and plant for supplying a variable flow rate of a gas from air
06/10/1998CN1184242A Process and installation for feeding air separation apparatus
06/09/1998US5761927 Cryogenic distillation of air
06/04/1998DE19725821A1 Air separation process
06/03/1998EP0845644A2 Use of elevated pressure nitrogen rich gas streams to perform work
06/02/1998US5759214 Nitrogen gas supply system
06/02/1998US5758515 Cryogenic air separation with warm turbine recycle
05/1998
05/28/1998WO1998022394A1 Method and apparatus for separating volatile components from a liquid
05/27/1998EP0679852B1 Apparatus for pressurizing a stack of plates, more particularly for a plate-like heat exchanger
05/27/1998CN1038494C Process and installation for low temp. purification of hydrogen
05/26/1998US5755857 Purification apparatus
05/26/1998US5755855 Separation process combining condensation, membrane separation and flash evaporation
05/26/1998US5755279 Heat exchanger
05/26/1998US5755115 Close-coupling of interreboiling to recovered heat
05/20/1998EP0843140A2 Improved argon production
05/20/1998EP0842385A1 Method and device for the production of variable amounts of a pressurized gaseous product
05/20/1998EP0813699A4 Multivariable process control method and apparatus
05/20/1998CN1182199A Cryogenic rectification system with kettle liquid column
05/20/1998CN1182052A Purification of inert fluid in liquid state with respect to its impurities H2 and/or Co
05/13/1998EP0841525A2 Air separation
05/13/1998EP0841524A2 Cryogenic rectification system with kettle liquid column
05/13/1998EP0701533B1 Method of producing ultra high purity monosilane and apparatus therefor
05/12/1998US5749246 Method and device for obtaining oxygen and nitrogen at superatmospheric pressure
05/07/1998WO1998019122A1 Method and device for producing compressed nitrogen
05/07/1998DE19735154A1 Producing compressed nitrogen@ by low temperature distillation of air in rectifier system
05/07/1998CA2277838A1 Method and device for producing compressed nitrogen
05/06/1998EP0840079A2 Cryogenic separation process of streams containing hydrogen methane, C3, C4, or C3/C4 hydrocarbons
05/05/1998US5746066 Multi-stage condensation via cascaded refrigeration
04/1998
04/30/1998WO1998017609A1 Hydrocarbon gas processing
04/29/1998EP0838647A2 A three column cryogenic cycle for the production of impure oxygen and pure nitrogen
04/29/1998EP0838646A1 Ultra high purity oxygen distillation unit integrated with ultra high purity nitrogen purifier
04/28/1998US5743929 Process for the production of high purity carbon dioxide
04/28/1998US5743112 Ultra high purity nitrogen and oxygen generator unit
04/25/1998CA2218630A1 A three column cryogenic cycle for the production of impure oxygen and pure nitrogen
04/22/1998EP0837031A2 Process and apparatus for the separation of a mixture of hydrogen and/or at least one hydrocarbon and/or nitrogen and/or carbon oxide
04/21/1998US5740683 Cryogenic rectification regenerator system
04/21/1998US5740673 Operation of integrated gasification combined cycle power generation systems at part load
04/16/1998DE19641643A1 Production of pure xenon in an air separation plant
04/14/1998US5737941 Calcium chabazite and activated carbon are used as absorbent to remove impurities from a liquified gas; cryogenics
04/14/1998US5737940 Aromatics and/or heavies removal from a methane-based feed by condensation and stripping
04/09/1998DE19743731A1 Production of pure argon in an air separation plant
04/08/1998EP0834712A2 Process to produce high pressure nitrogen using a higher pressure column and one or more lower pressure columns
04/08/1998EP0834711A2 Process and apparatus for the production of high purity nitrogen
04/08/1998EP0834046A1 Method of liquefying and treating a natural gas
04/08/1998CN1178211A Olefin recovery from olefin-hydrogen mixtures
04/07/1998US5736116 Retrofit method involving installation of an air separation unit to supply oxygen and nitrogen streams
04/07/1998US5735142 Dividing air into medium, intermediate and high pressure flows, expansion of intermediate pressure air near its dew point to medium pressure in turbine prior to introducing into medium pressure column
04/07/1998US5735141 Rectification in first and second distillation columns to produce a tower overhead in second column lean in both heavy and light impurities
04/01/1998EP0833120A1 Process for supplying gas to a consumption unit
04/01/1998EP0833119A2 Process and plant for supplying an air separation unit
04/01/1998EP0833118A2 Air separation
04/01/1998CN1177726A Air separation method and apparatus thereof
04/01/1998CN1177725A Appartus for separating gas mixture
04/01/1998CA2216336A1 Process to produce high pressure nitrogen using a high pressure column and one or more lower pressure columns
03/1998
03/31/1998US5732571 Removing and liquifying the unused circulated gas
03/26/1998WO1998012468A1 Self-cleaning cryogenic refrigeration system
03/26/1998DE19747615A1 Start-up procedure for an air separation plant
03/26/1998DE19744844A1 Processing-current cooling system
03/26/1998DE19706544A1 Packing for rectification column of air separation plant
03/25/1998EP0831285A2 Air separation
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