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)
11/1998
11/17/1998US5836172 Process for the purification of a cryogenic fluid by filtration and/or adsorption
11/12/1998WO1998050742A1 Process for separating hydrocarbon gas constituents
11/12/1998WO1998050326A1 Hydrocarbon synthesis with cryogenic nitrogen removal upstream of the syngas generation
11/11/1998EP0877219A2 Process to produce nitrogen using a double column and three reboiler/condensers
11/11/1998EP0877218A1 Cryogenic rectification system with dual feed air turboexpansion
11/11/1998EP0877217A1 Cryogenic air separation with warm turbine recycle
11/11/1998EP0877216A2 Air separation plant
11/11/1998EP0687353B1 Method and apparatus for liquefying natural gas
11/11/1998CN1198524A Low temp. for rectifying high-pressure nitrogen and oxygen
11/11/1998CN1198405A Process for producing ammonia by using low fineness oxygen and separating argon
11/10/1998US5832748 Single column cryogenic rectification system for lower purity oxygen production
11/10/1998US5832747 Partially condensing portion of feed gas and separating partially condensed feed mixture by non-fractioating phase separation
11/10/1998US5832746 Pressurizing feed gas, eliminating moisture and carbon dioxide, cooling, passing through adsorption column, rectification
11/04/1998EP0875486A2 Process producing ammonia and recovering argon using low purity oxygen
11/04/1998CN1040509C Liquid distributor for heat and mass exchange device and its use
11/03/1998US5829271 Cryogenic rectification system for producing high pressure oxygen
11/03/1998CA2168832C Cryogenic vapor recovery process and system
11/02/1998CA2236408A1 Process for producing ammonia and recovering argon using low purity oxygen
10/1998
10/29/1998WO1998048227A1 Method for liquefying a stream rich in hydrocarbons
10/29/1998WO1998047839A1 Hydrocarbon gas processing
10/22/1998WO1998046950A1 Process based mixed refrigerants for ethylene plants
10/22/1998DE19716415C1 Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes A method for liquefying a hydrocarbon-rich stream
10/21/1998CN1196789A Helium recycling for optical fiber manufacturing
10/21/1998CN1196331A Method for extracting high-purity krypton, xenon from mixed gas containing oxygen, krypton, xenon.
10/21/1998CN1196276A Packing with improved capacity and high mass transfer efficiency
10/14/1998EP0870524A1 Plant for separating a gas mixture by distillation
10/13/1998US5819556 Air separation
10/13/1998US5819555 Removal of carbon dioxide from a feed stream by carbon dioxide solids separation
10/11/1998CA2235054A1 System for separating a gaseous mixture by distillation
10/08/1998DE19818308A1 Gas-turbine-powered generating system
10/07/1998EP0869322A1 Process and plant for air separation by cryogenic distillation
10/03/1998CA2234435A1 Process and installation of air separation by cryogenic distillation
10/01/1998WO1998043029A1 Method and device for storage and transport of liquefied natural gas
09/1998
09/30/1998EP0867677A2 Cryogenic cooling tower
09/30/1998EP0867673A1 Cryogenic rectification regenerator system
09/30/1998EP0867672A1 Cryogenic hybrid system for producing high purity argon
09/30/1998CN1194363A Low temperature fine distillation regenerator system
09/29/1998US5813252 Fractionation column
09/29/1998US5813251 Process and apparatus for low-temperature separation of air
09/29/1998US5813250 Heat exchangers with liquid gases for refrigerants
09/29/1998CA2015458C Low temperature air fractionation accommodating variable oxygen demand
09/23/1998EP0866293A1 Downflow reboiler-condenser with vapor lift pumping
09/23/1998EP0866292A1 Cryogenic rectification system for producing high pressure nitrogen and high pressure oxygen
09/23/1998CN1193620A Perfluorocompound separation and purification method and system
09/22/1998US5809802 Rectification, stripping, condensing and heat exchanging
09/22/1998US5809801 Cryogenic accumulator for spin-polarized xenon-129
09/22/1998CA2042852C Process for removing oxygen from crude argon
09/15/1998US5806342 Cryogenic rectification system for producing low purity oxygen and high purity oxygen
09/15/1998US5806341 Method and apparatus for air separation
09/15/1998US5806340 High purity nitrogen generator unit and method
09/15/1998US5806339 Multiple effect and distributive separation of isobutane and normal butane
09/09/1998EP0863375A1 Process for separating Krypton and Xenon from fluorine and/or chlorine containing impurities
09/09/1998EP0863362A1 Method for supplying a gas from a unique source to a number of consumers at different pressures
09/09/1998EP0862717A1 Liquefaction process
09/09/1998CN1192423A Method for obtg. Kr and Xe
09/08/1998US5802875 Method and apparatus for control of an integrated croyogenic air separation unit/gas turbine system
09/08/1998US5802874 Process and apparatus for liquefying low boiling gas such as nitrogen
09/08/1998US5802873 Cryogenic rectification system with dual feed air turboexpansion
09/08/1998US5802872 Compressing impure feed air, passing through a purification system, cooling, introducing air into cryogenic air separation system and withdrawing the product stream
09/08/1998US5802871 Dephlegmator process for nitrogen removal from natural gas
09/08/1998US5802858 Cryogenic cooling tower
09/04/1998CA2232103A1 Feed process for a multi-pressure gas consumption unit
09/01/1998US5799510 Multi-column system and method for producing pressurized liquid product
09/01/1998US5799508 Cryogenic air separation system with split kettle liquid
09/01/1998US5799507 Hydrocarbon gas processing
08/1998
08/27/1998DE19707475A1 Liquefaction of hydrocarbon-rich stream, esp. natural gas
08/27/1998DE19707473A1 Preparation of components of freezing mixture
08/26/1998EP0860670A2 Air separation with intermediate pressure vaporization and expansion
08/26/1998CN1191600A Method and device for production of variable amounts of pressurized gaseous product
08/25/1998CA2156146C Model predictive control method for an air-separation system
08/25/1998CA2128582C Cryogenic rectification system for producing lower purity oxygen
08/19/1998EP0858830A1 Corrugated packing with improved capacity and high mass transfer efficiency
08/19/1998CN1190728A Ultra-high fineness oxygen distilling apparatus combined with ultra-high fineness nitrogen purifier
08/19/1998CN1190727A Working utilizing airflow of high pressure nitrogen-enriched air
08/19/1998CN1190726A Method for supply flow changeable gas from air and equipment thereof
08/18/1998US5794458 Method and apparatus for producing gaseous oxygen
08/18/1998US5794457 Process and installation for the supply of an apparatus for separating air
08/18/1998CA2092140C Gas separator with high nitrogen and oxygen yield
08/13/1998WO1998035196A1 Metal melting apparatus and method therefor
08/13/1998DE19705358A1 Disconnection of open and closed cooling circuits
08/13/1998DE19705357A1 Liquid natural gas production method
08/13/1998CA2229289A1 Packing with improved capacity and high mass transfer efficiency
08/12/1998EP0857285A1 Liquefaction apparatus
08/12/1998CN1190178A Process to produce high pressure nitrogen using high pressure column and one or more lower pressure columns
08/11/1998US5792523 Concentrating rare gas stream by catalytically reducing contaminants
08/11/1998US5791161 Efficiency
08/06/1998DE19806576A1 Recovery of highest purity nitrogen@ for semiconductor industry
08/05/1998EP0856715A2 Purification of electronic specialty gases by vapor phase transfilling
08/05/1998EP0856713A2 Production of cryogenic liquid mixtures
08/05/1998CN1189450A Film method and deep cooling method for preparing oxygen
08/04/1998US5787975 Heat exchanger with brazed plates
08/04/1998US5787730 Cryogenic
08/03/1998CA2227715A1 Purification of electronic specialty gases by vapor phase transfilling
07/1998
07/29/1998EP0855565A2 Air separation method and apparatus
07/29/1998CN1188685A Refrigerant temp. control device for freezing type air drier
07/28/1998US5785900 Fluid distributor for heat and material exchange column and process for producing the same
07/28/1998US5785739 Steam cracker gas separation process
07/28/1998US5784899 Argon separation method and apparatus therefor
07/28/1998US5784898 Process and device for the preparation of a cry ogenic fluid in the high purity liquid state
07/28/1998CA1339975C Process and facility for the simultaneous production of hydrogen and carbon monoxide
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