Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
06/1999
06/15/1999US5912425 Plant for separating a gas mixture
06/10/1999WO1999028688A1 Method and installation for separating off c2- or c2+ hydrocarbons
06/10/1999WO1999011989A3 Compact small volume liquid oxygen production system
06/10/1999DE19855486A1 Extraction of krypton or xenon-rich mixture
06/10/1999DE19855485A1 Extraction of krypton or xenon-enriched mixture
06/09/1999EP0921367A2 Production of nitrogen
06/09/1999EP0921366A1 Reflux condenser cryogenic rectification system for producing lower purity oxygen
06/09/1999CN1218898A Low temperature rectification system of reflux condenser for producing low purity oxygen
06/09/1999CN1218875A Changeable capacity rotary inclined disc type refrigerating compressor
06/02/1999DE19752703A1 Verfahren und Anlage zum Abtrennen von C2- oder C2+-Kohlenwasserstoffen Method and apparatus for separating C2 or C2 + hydrocarbons
06/01/1999US5907959 Air separation process using warm and cold expanders
05/1999
05/27/1999WO1999026033A1 Cold box for cryogenic distilling plant
05/27/1999WO1999025472A1 Corrugated strip for cross-corrugated lining and application in onboard distilling columns
05/27/1999WO1999025447A1 Liquid dispenser for distilling column, and corresponding distilling column
05/27/1999WO1999025446A1 Liquid dispenser for oscillating distilling column, and corresponding distilling column
05/27/1999CA2312022A1 Cold box for cryogenic distilling plant
05/27/1999CA2310126A1 Liquid dispenser for oscillating distilling column, and corresponding distilling column
05/27/1999CA2310098A1 Corrugated strip for cross-corrugated lining and application in onboard distilling columns
05/27/1999CA2310096A1 Liquid dispenser for distilling column, and corresponding distilling column
05/25/1999US5906113 Serial column cryogenic rectification system for producing high purity nitrogen
05/25/1999CA2151761C Expansion turbine for cryogenic rectification system
05/20/1999WO1999024136A1 Freezing a gas component in a gas mixture
05/20/1999DE19749836A1 Ausfrieren einer Gaskomponente aus einem Gasgemisch Freeze out of a gas component from a gas mixture
05/19/1999EP0916383A1 Cryogenic system for producing ultra-high purity nitrogen
05/19/1999CN1216820A Method of constructing large elongate fluid-confining internal structure surrounded by external structure
05/19/1999CN1216819A Method of producing package of internal and external structures and of items of equipment,and method of on-site construction using such package
05/19/1999CN1216750A Low temp. system for producing super pure nitrogen
05/18/1999US5904205 Heat exchanger with brazed plates
05/14/1999WO1999023428A1 Hydrocarbon gas separation process
05/12/1999EP0915311A1 Nonfreezing heat exchanger
05/12/1999EP0914584A1 Method and plant for producing an air gas with a variable flow rate
05/12/1999DE19651280C1 Production of pure argon in an air separation plant
05/11/1999US5901580 Process and installation for the separation of air
05/11/1999US5901579 Producing gaseous and liquid product by compression, dividing fluids for two portion, one for turbine booster compressor, one for boiler booster compressor, cryogenic rectification
05/11/1999US5901578 Cryogenic air separation plant comprises a double column and phase separator housed separately from primary heat exchanger
05/11/1999US5901577 Process and plant for air separation by cryogenic distillation
05/11/1999US5901576 Single expander and a cold compressor process to produce oxygen
05/11/1999US5901575 Polyhedron packing elements for heat exchange column; high strength
05/11/1999US5901574 Device and process for evaporating a liquid
05/11/1999US5901547 Operation method for integrated gasification combined cycle power generation system
05/06/1999WO1999021633A1 Liquid distributor
05/06/1999WO1998059164A8 Lng fuel storage and delivery systems for natural gas powered vehicles
05/06/1999EP0913655A1 Process for building cryogenic rectification column with preassembled modules
05/06/1999EP0913654A2 Ultra high purity nitrogen and oxygen generator unit
05/06/1999EP0913653A1 Method for building a cryogenic plant with preassembled elements
05/06/1999EP0913180A2 Distillation process to separate mixtures containing three or more components
05/06/1999DE19841388A1 Preparation of ultra-pure air
05/06/1999DE19819338A1 Air rectification process for production of compressed nitrogen@
05/05/1999CN1216102A Metal melting apparatus and method therefor
05/04/1999US5899093 Process and apparatus for the production of nitrogen by cryogenic distillation
04/1999
04/28/1999EP0911593A1 Air separation plant and method of fabrication
04/28/1999EP0910445A1 Fluid-distributor for a substance-exchange column
04/27/1999US5896755 Cryogenic rectification system with modular cold boxes
04/22/1999DE19802610A1 Single column process and assembly with turbine for fractional distillation
04/22/1999DE19747209C1 Inter-floor liquid dispenser for a rectification column
04/21/1999EP0909931A2 Cryogenic rectification system for producing high pressure oxygen
04/21/1999EP0909930A1 Cryogenic rectification system for producing low purity oxygen and high purity oxygen
04/21/1999CN1214444A Cryogenic rectification system for producing high pressure oxygen
04/14/1999EP0908689A2 Method and apparatus for air distillation
04/14/1999EP0908226A2 Process and apparatus for separation of stable isotope compound
04/14/1999EP0820569A4 Self-cleaning low temperature refrigeration system
04/14/1999CA2250297A1 Cryogenic rectification system for producing high pressure oxygen
04/13/1999US5893276 Separating air in a double rectification column comprising a higher pressure column, a lower pressure column and condenser-reboiler placing the higher pressure column in heat exchange
04/13/1999US5893275 Producing and storing at patient's resisdence-portable and unimodular
04/13/1999US5893274 Method of liquefying and treating a natural gas
04/08/1999DE19742319A1 Method of Compressed and liquefied nitrogen as a propulsion medium for vehicles
04/06/1999US5890378 Heat exchange
04/06/1999US5890377 Hydrocarbon gas separation process
04/06/1999US5890376 Helium recycling for optical fiber manufacturing
03/1999
03/31/1999EP0904518A1 Process for starting an installation for low temperature air decomposition and installation for low temperature air decomposition
03/31/1999CN1212756A Method of reducing amount of components having low boiling points in liquefied natural gas
03/31/1999CN1212171A Cryogenic rectification system for recovery of fluorine compounds
03/30/1999US5888271 Ozone generated electrically from oxygen is supplied to an adsorption/desorption means for storage the partial pressure of ozone is increased incrementally; continuous supply of ozone stably to consumer
03/30/1999US5888265 Air separation float glass system
03/30/1999US5887447 Air separation in a double rectification column
03/25/1999WO1999014473A1 Synthesis gas expander located immediately upstream of combustion turbine
03/25/1999WO1998046950A9 Process based mixed refrigerants for ethylene plants
03/24/1999EP0903495A2 Variable capacity swash-plate-type refrigerant compressor
03/24/1999EP0903029A1 Data structure to support multiple transmit packets for high performance
03/24/1999CN1211458A Air distillation apparatus and air distillation method
03/23/1999US5884504 Adding stages to rectification section to increase separation of ethane and ethylene from heavier hydrocarbon components
03/23/1999CA2183931C Production of ultra-high purity oxygen from cryogenic air separation plants
03/23/1999CA2172322C Process and apparatus for recovery and purification of argon from a cryogenic air separation unit
03/18/1999WO1998059205A3 Improved process for liquefaction of natural gas
03/18/1999DE19803437A1 Oxygen and nitrogen extracted by low-temperature fractional distillation
03/18/1999DE19802609A1 Low-temperature process for fractional distillation of nitrogen from air
03/17/1999EP0902245A1 Cryogenic air separation process
03/17/1999CN1210964A High pressure, improved efficiency cryogenic rectification system for low purity oxygen production
03/16/1999US5882373 Major part of gas not sent to metal treatment unit during periods of low electrical consumption but temporarily stored in liquid or gas form
03/16/1999US5881574 Apparatus and method for contacting a gaseous phase with a liquid phase
03/16/1999US5881570 Cryogenic rectification apparatus for producing high purity oxygen or low purity oxygen
03/16/1999US5881569 Hydrocarbon gas processing
03/16/1999CA2129917C Distillation column utilizing structured packing having varying crimp angle
03/11/1999WO1999011991A1 Low-temperature air separation installation
03/11/1999WO1999011990A1 Low-temperature air separation installation
03/11/1999WO1999011989A2 Compact small volume liquid oxygen production system
03/11/1999WO1999011437A1 Method and apparatus for purification of argon
03/11/1999WO1998059164A3 Lng fuel storage and delivery systems for natural gas powered vehicles
03/11/1999DE19739473A1 Cryogenic separation of a carbon dioxide-rich gas mixture, especially natural gas
03/10/1999CN1210250A Dual column cryogenic rectification system for producing nitrogen
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