Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
11/2000
11/02/2000EP1048337A1 Recovery of perfluorinated compounds from the exhaust of semiconductors fabrications with recycle of vaccum pump dilutent
11/02/2000EP1047482A1 Liquid distributor
11/02/2000DE19919933A1 Einzelsäulenverfahren und -vorrichtung zur Tieftemperaturzerlegung von Luft Single-column process and apparatus for the cryogenic fractionation of air
11/02/2000DE19919932A1 Verfahren zum Gewinnen einer Reinmethanfraktion A method for obtaining a pure methane fraction
10/2000
10/31/2000US6138474 Cryogenic separation of air and recovering of argon in a distillation column
10/31/2000CA2021236C Recovery of carbon dioxide from a carbon dioxide plant vent gas using membranes
10/26/2000WO2000031214A3 Recovery of propylene and ethylene from offgases
10/25/2000EP1045820A1 Ethylene plant refrigeration system
10/24/2000US6134916 Separation unit able to operate at constant capacity during periods of varying power demand for the integrated gasifier/power generation excess oxygen produced being stored within the refrigeration section or cold box
10/24/2000US6134915 A packaged column in which an intermediate reboiler is provided in a lower pressure column to condense tower overhead of a higher pressure column for refluxing; both columns are positioned such to allow gravitational flow
10/24/2000US6134914 Condensing and solidifying a xenon component of a gas mixture (o2) on a cooling surface which is below the melting point and at a pressure of 0.6-150 bars; removing the noncondensed gases; liquefying the solid xenon by heating; recirculating
10/24/2000US6134912 Method and system for separation of a mixed gas containing oxygen and chlorine
10/19/2000WO2000036350A3 Dual refrigeration cycles for natural gas liquefaction
10/19/2000DE10013073A1 Low temperature separation of air in distillation column system uses integrated heat exchanger system for cooling e.g. air supply by indirect heat exchange during vaporization of first liquid fraction
10/18/2000EP1044715A1 Medical equipment for concentration/liquefaction of oxygen, which can be used in oxygen therapy
10/18/2000EP1044714A1 Portable medical equipment for producing oxygen, which can be used in oxygen therapy
10/18/2000CN1270639A Pipeline distribution network system for transportation of liquefied natural gas
10/18/2000CN1057599C Cryogenic rectification system with thermally integrated argon column
10/17/2000CA2211767C Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone
10/13/2000CA2305028A1 Portable oxygen producing medical equipment for use in respiratory therapy
10/13/2000CA2299613A1 Oxygen concentration/liquefaction medical equipment for use in respiratory therapy
10/12/2000WO2000060294A1 Variable capacity fluid mixture separation apparatus and process
10/12/2000WO2000060293A1 Method and device for producing ultra-pure gas
10/11/2000EP1043558A2 Integrated apparatus for generating power and/or oxygen enriched fluid, and process thereof
10/11/2000EP1043557A2 Integrated air separation plant and power generation system
10/11/2000EP1043556A1 High pressure cryogenic air separation process and installation
10/11/2000CN1057380C Cryogenic air separation system and method thereof
10/10/2000US6129778 Dividing the gas at the first higher pressure into at least two parts, storing one parts at a pressure between the first pressure and the second low pressure; supplying a steel plant that consumes oxygen at two pressures
10/10/2000US6128922 Introducing mixture into packed column, the mixture comprising higher and lower volatility components, operating column such that higher and lower volatility components have relative volatility within packed column of 1.05 to 1.8, distilling
10/10/2000US6128921 Comprising a plurality of cryogenic distillation units of the same type, having a lower construction cost
10/10/2000US6128920 Dephlegmator
10/10/2000CA2209333C Cryogenic rectification system with kettle liquid column
10/09/2000CA2303672A1 Integrated power generation system
10/09/2000CA2303664A1 Cryogenic air separation process and installation
10/05/2000WO2000058675A1 Method and installation for producing argon by means of cryogenic distillation
10/05/2000WO2000058674A1 Nitrogen rejection system for liquefied natural gas
10/05/2000CA2589334A1 Air separation process and apparatus
10/04/2000EP1041353A2 Distillation column arrangement for air separation
10/04/2000EP1040305A1 Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids
10/04/2000EP1040176A1 Process for recovering olefins
10/04/2000EP1017531A4 Ultra-high strength cryogenic weldments
10/04/2000CN1268657A Double tower system for low-temp. air separation
10/03/2000US6125656 Compressing a multicomponent refrigerant fluid, cooling, expanding and warming by indirect heat exchanging with this refrigerant fluid and also with feed air to produce cooled air, passing to cryogenic rectification column, separating
10/03/2000US6125653 LNG with ethane enrichment and reinjection gas as refrigerant
09/2000
09/28/2000DE19954593A1 Fractionated distillation of air to oxygen and nitrogen uses little energy and facilitates the production of oxygen of any purity level
09/28/2000DE19936962A1 Process to extract nitrogen and oxygen from ambient air by fractionated cryogenic distillation reduces complexity and expense of apparatus
09/28/2000DE19933558A1 Process to extract nitrogen and oxygen from air by fractionated cryogenic distillation enhances the overall operating efficiency of the process
09/28/2000DE19933557A1 Process to extract nitrogen and oxygen from air by fractionated cryogenic distillation with lower energy requirement
09/28/2000DE19912155A1 Cryogenic vacuum-insulated oxygen generator efficient for small-scale ultra-pure on-site use
09/27/2000EP1038146A1 Liquefaction process and apparatus
09/26/2000US6123909 Adding air or oxygen to argon gas in an amount sufficient to oxidize carbon monoxide into carbon dioxide in the presence of a catalyst while maintaining a temperature sufficient to oxidize contained carbon monoxide without oxidizing methane
09/26/2000US6122932 Combined installation of a furnace and an air distillation apparatus and process for using the same
09/26/2000US6122931 System and method for delivery of a vapor phase product to a point of use
09/21/2000DE10009542A1 Low temperature fractionation of liquefiable gaseous mixtures, especially separation of nitrogen from air, in a process employing a single body, multiple function, heat exchanger
09/20/2000EP1037004A1 Apparatus and process for gas mixture separation at low temperature
09/20/2000EP1036590A2 Corrugated structured packing
09/20/2000CN1266740A Optimal ripple regular packing
09/20/2000CN1056686C Method and apparatus for cryogenic production of helium
09/19/2000US6119482 Combined plant of a furnace and an air distillation device, and implementation process
09/19/2000US6119481 Horizontal structured packing
09/19/2000US6119480 Using a filter maintained at an ambient environment between a supply inlet and and an outlet used for filtering micro-organisms/particles and causes a head loss which is less than that which converts to a solid or gas; food; drugs
09/19/2000US6119479 Liquid natural gas liquefaction systems to install on ships, barges, offshore platforms; very high efficiency operation without propane precooling in a compact cycle using two heat exchangers, cooling; single constant pressure
09/14/2000WO2000034724B1 Improved propane recovery methods
09/13/2000EP1035391A1 Process and apparatus for purification and cryogenic separation of air without precooling
09/13/2000EP1034409A1 Cold box for cryogenic distilling plant
09/13/2000EP1034032A1 Corrugated strip for cross-corrugated lining and application in onboard distilling columns
09/13/2000EP1034019A1 Liquid dispenser for distilling column, and corresponding distilling column
09/13/2000EP1034018A1 Liquid dispenser for oscillating distilling column, and corresponding distilling column
09/13/2000CN1266170A Vapour-liquid contactor and low-temp. gas separator and separation method
09/12/2000US6117916 Integration of a cryogenic air separator with synthesis gas production and conversion
09/12/2000US6116052 Cryogenic air separation process and installation
09/12/2000US6116051 Distillation process to separate mixtures containing three or more components
09/12/2000US6116050 Propane recovery methods
09/12/2000US6116027 Supplemental air supply for an air separation system
09/12/2000CA2298125A1 Process and plant for the purification and cryogenic separation of air without precooling
09/08/2000WO2000052408A1 Brazed-plate heat exchanger and air distillation device fitted with said exchanger
09/08/2000CA2363506A1 Brazed-plate heat exchanger and air distillation device fitted with said exchanger
09/06/2000EP1032798A1 Method and installation for separating off c 2?- or c 2?+ hydrocarbons
09/06/2000CN1265375A Use of low-temp. rectification in production of ammonia
09/05/2000US6114656 Welding methods for producing ultra-high strength weldments with weld metals having excellent cryogenic temperature fracture toughness
09/05/2000US6112550 In addition to refrigeration generated by turboexpansion, further refrigeration for the plant is generated by a recirculating multicomponent refrigerant in a refrigeration circuit
09/05/2000US6112549 Aromatics and/or heavies removal from a methane-rich feed gas by condensation and stripping
08/2000
08/31/2000DE19908451A1 A low temperature air fractionating system uses a rectification unit comprising pressure and low pressure columns and a nitrogen fraction recycle to the system air feed inlet, to provide bulk nitrogen
08/31/2000DE10004404A1 Low temperature decomposition of air comprises compressing the air, feeding to an air purification device, cooling and feeding to a rectification system
08/30/2000EP1031804A1 Air separation process with nitrogen recycling
08/30/2000EP1031803A2 Method and apparatus for maximizing the productivity of a natural gas liquids production plant
08/30/2000EP1031534A1 Use of cryogenic rectification for the production of ammonia
08/30/2000EP0948730B1 Method and device for producing compressed nitrogen
08/29/2000US6110980 Sending air to be distilled into single column, whereair is separated into nitrogen-enriched vapor and oxygen-enriched liquid; heating base of column with boiler; withdrawing oxygen-enriched liquid; pressurizing and vaporizing liquid
08/29/2000US6109061 For separation of a relatively hot, methane rich feed gas containing methane, ethane and heavier hydrocarbon constituents into a volatile residue gas containing primarily methane and ethane and a relatively less volatile fraction
08/25/2000CA2299224A1 Use of cryogenic rectification for the production of ammonia
08/24/2000WO2000049355A1 Improved thermodynamic separation of heavier components from natural gas
08/24/2000DE19906602A1 Production of pure methane comprises rectifying liquefied methane from a natural gas storage tank
08/23/2000EP1030350A1 System and method for producing and supplying highly clean dry air
08/23/2000EP1030148A1 Air separation
08/23/2000EP1028792A1 Freezing a gas component in a gas mixture
08/23/2000CN1264460A Air extraction in gasification process
08/23/2000CN1264027A Distallation systm for producing carbon dioxide
08/23/2000CN1264026A Quick responsing argon side-arm column circulation method
08/23/2000CN1263881A Improved method for separating comparative heavy component from natural gas by thermodynamics
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