Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
08/1999
08/25/1999EP0937681A1 Process and installation for the combined production of a ammoniac synthesis mixture and carbon monoxide
08/25/1999EP0937679A1 Process and apparatus for the production of carbon monoxide and hydrogen
08/25/1999EP0937016A1 Hydrocarbon gas processing
08/25/1999CN1226673A Cryogenic rectification system for producing ultra-high purity nitrogen and ultra-high purity oxygen
08/25/1999CN1226672A Cryogenic hybrid system for producing low purity oxygen and high purity nitrogen
08/25/1999CN1226521A Air separation float glass system
08/24/1999US5941098 Method and plant for supplying a variable flow rate of a gas from air
08/24/1999US5941097 Method and apparatus for separating air to produce an oxygen product
08/24/1999CA2089913C Cryogenic air separation system for producing gaseous oxygen
08/20/1999CA2262182A1 Process and plant for production of carbon monoxide and hydrogen
08/20/1999CA2262047A1 Process and plant for the combined production of an ammonia synthesis mixture and carbon monoxide
08/18/1999EP0936429A2 Cryogenic rectification system for producing ultra-high purity nitrogen and ultra-high purity oxygen
08/18/1999CN1226312A Method and plant for producing gas from air with variabable flow rate
08/17/1999US5937672 Process for the purification of a cryogenic fluid by filtration and/or adsorption
08/17/1999US5937656 Nonfreezing heat exchanger
08/17/1999US5937652 Process for coal or biomass fuel gasification by carbon dioxide extracted from a boiler flue gas stream
08/17/1999CA2262238A1 Cryogenic rectification system for producing ultra-high purity nitrogen and ultra-high purity oxygen
08/12/1999WO1999040304A1 Combined cryogenic air separation with integrated gasifier
08/12/1999WO1999030093A3 Enhanced ngl recovery processes
08/12/1999DE19905339A1 Detecting dissolved impurities in liquid streams that are to be fed to a vaporization apparatus
08/12/1999DE19905060A1 Brazed plates cryogenic condenser for use in an air distillation process
08/12/1999DE19904527A1 Air distillation plant for double column distillation of large air throughputs
08/11/1999EP0935110A1 Combined process and facility for producing compressed air and at least one gas from air
08/11/1999EP0935109A2 Cryogenic air separation process and apparatus
08/11/1999EP0799401A4 Rectified reflux deethanizer
08/10/1999US5935544 Improving in capacity and efficiency of operation of ammonia plants designed including autorefrigeration necessary for the fractionation and/or separation of the desired hydrogen and nitrogen from the undesired methane and inerts gas
08/10/1999US5934106 Apparatus and method for producing nitrogen
08/10/1999US5934105 Pressurizing feed air to intermediate pressure, removing high boiling impurities, further compressing, then cooling, turboexpanding to low pressure
08/10/1999US5934104 Multiple column nitrogen generators with oxygen coproduction
08/10/1999US5934103 Method and apparatus for production of spin-polarized medical-grade xenon 129 gas by laser optical pumping
08/05/1999WO1999039143A1 Method and device for evaporating liquid oxygen
08/05/1999WO1999039142A1 Apparatus and method for gas/liquid contact
08/04/1999EP0933330A2 Separation of carbon monoxide from nitrogen-contaminated gaseous mixtures also containing hydrogen
08/04/1999EP0813699B1 Multivariable process control method and apparatus
07/1999
07/29/1999WO1999037963A1 Combined installation of a furnace and an air distillation apparatus and use method
07/29/1999WO1999037962A1 Apparatus and method for demethanization and method of retrofitting an installation for liquefying gas
07/28/1999EP0932007A1 Device and process for filtering a cryogenic liquid
07/28/1999EP0932006A1 Combined oven and air separation plant and method of application
07/28/1999EP0932005A1 Combined oven and air separation plant and method of application
07/28/1999EP0932004A2 Apparatus and method for producing nitrogen
07/28/1999EP0932003A2 Elevated pressure air separation process with use of waste expansion for compression of a process stream
07/28/1999EP0932002A2 Single expander and a cold compressor process to produce oxygen
07/28/1999EP0932001A2 An air separation process using warm and cold expanders
07/28/1999EP0932000A2 Efficient process to produce oxygen
07/28/1999EP0931999A2 A multiple expander process to produce oxygen
07/28/1999CN1044331C Method for purification of feed air flow
07/27/1999US5928408 Using double rectification column including a lower pressure rectification column
07/27/1999US5927103 Separation from light contaminants; more energy efficient
07/23/1999CA2259868A1 System and process for liquid-phase filtration of a cryogenic liquid
07/23/1999CA2259857A1 Combined plant of a furnace and an air distillation device, and implementation process
07/23/1999CA2259797A1 Combined plant of a furnace and air distillation device, and implementation process
07/22/1999CA2259060A1 Single expander and a cold compressor process to produce oxygen
07/21/1999EP0930268A2 Integration of a cryogenic air separator with synthesis gas production and conversion
07/21/1999EP0930097A2 Packed liquid-vapor contact column
07/21/1999EP0930096A2 Horizontal structured packing
07/21/1999EP0930089A1 Process for air purification using adsorpion before cryogenic distillation
07/20/1999US5925326 Process for the production of high purity carbon dioxide
07/20/1999US5924308 Cryogenic air separation
07/20/1999US5924307 Turbine/motor (generator) driven booster compressor
07/20/1999US5924306 Method for demethanizing gas mixtures
07/15/1999WO1999035455A1 Autorefrigeration separation of carbon dioxide
07/15/1999WO1999035110A1 Ethylene plant refrigeration system
07/14/1999EP0928937A2 Separation of carbon monoxide from nitrogen-contaminated gaseous mixtures also containing hydrogen and methane
07/14/1999EP0928936A2 Separation of carbon monoxide from nitrogen-contaminated gaseous mixtures
07/14/1999CN1044156C Method and device of crygenic air separation
07/14/1999CN1044155C Method and device of air separation
07/13/1999US5921109 Method for operating a cryogenic rectification column
07/13/1999US5921108 High purity liquid nitrogen refluxing
07/13/1999US5921107 Oxygen production method related to a nitrogen generator unit
07/13/1999US5921106 Separating gas mixtures
07/08/1999WO1999034189A2 Process and device to solidify and thaw a polarized gas comprising xenon
07/08/1999CA2602360A1 Collection and accumulation of frozen polarized gases
07/06/1999US5918482 Cryogenic rectification system for producing ultra-high purity nitrogen and ultra-high purity oxygen
07/01/1999WO1999032843A1 Process for separating and purifying fluorine compounds, and installation thereof
07/01/1999WO1999032837A1 Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids
07/01/1999DE19905324A1 Cryogenic air separation process
06/1999
06/30/1999EP0926457A2 Method of operating the lower pressure column of a double distillation column
06/30/1999EP0926317A2 Integrated air separation and combustion turbine process
06/30/1999EP0925821A2 Method for operation of an air prepurifier which takes into account inlet air conditions
06/30/1999CN1221102A Ultra high purity nitrogen and oxygen generator unit
06/30/1999CN1220913A Stackable structural packing with controlled symmetry
06/29/1999US5916262 Cryogenic rectification system for producing low purity oxygen and high purity oxygen
06/29/1999US5916261 Rectification
06/29/1999US5916260 Liquefaction process
06/29/1999US5916247 Process and installation for delivering ultra-pure helium
06/24/1999WO1999031447A2 Apparatus and process for the refrigeration, liquefaction and separation of gases with varying levels of purity
06/24/1999WO1999031201A1 Process for recovering olefins
06/24/1999WO1999031198A2 Plant for removing carbon dioxide from gases and method for the exploitation of said plant
06/23/1999EP0924486A2 Air separation
06/23/1999EP0924485A1 Process for separating and puryfying fluorine compounds, and installation thereof
06/23/1999EP0924169A2 Air separation float glass system
06/23/1999CN1220386A Process for separating high pure nitrogen from air
06/23/1999CN1220178A Improved segregation fractionating column system
06/22/1999US5913893 Process for the purification of a cryogenic fluid by filtration and/or adsorption
06/22/1999CA2256903A1 Air separation float glass system
06/19/1999CA2256260A1 Method for operation of an air prepurifier which takes into account inlet air conditions
06/17/1999WO1999030094A1 Liquefaction process and apparatus
06/17/1999WO1999030093A2 Enhanced ngl recovery processes
06/16/1999EP0921850A1 Packing for separation columns and process of use
06/16/1999EP0921846A1 On-line recovery of xenon from anaesthetic gas
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