Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
08/1996
08/28/1996EP0728121A1 Method and apparatus for preparing high purity hydrogen bromide
08/28/1996CN1129793A Process and installation for the production of oxygen by cryogenic distillation
08/27/1996US5548975 Process and installation for the separation of a gaseous mixture by cryogenic distillation
08/22/1996DE19504201A1 Device to separate liq. from a gas-liq. mixt. using a vortex tube
08/21/1996EP0727629A2 Cryogenic rectification system for fluorine compound recovery
08/21/1996CN1129479A Improved heat exchanger with brazed plates
08/20/1996US5546767 Cryogenic rectification system for producing dual purity oxygen
08/20/1996US5546766 Air separation
08/20/1996US5546765 High purity; free of hydrocarbons
08/14/1996EP0726434A1 Method and apparatus for monitoring the operation of an air separation plant
08/14/1996CN1128859A Process and apparatus for producing nitrogen from air
08/14/1996CN1032520C Packing section for a heat and material exchange column and distillation column comprising same
08/13/1996CA2082291C Inter-column heat integration for multi-column distillation system
08/07/1996EP0725256A1 Process to remove nitrogen from natural gas
08/07/1996CN1128343A Downflow plate and fin heat exchanher for cryogenic rectification
08/06/1996US5543127 Dilute solution of a hydride in liquid nitrogen
07/1996
07/30/1996US5540058 Compressor for pressurizing air to cryogenic temperature; radiator, heat exchanger; vortex tube to solidify impurities; filter; pollution control
07/30/1996US5540057 Volatile organic compounds recovery from vent gas streams
07/24/1996EP0723125A2 Gas liquefying method and heat exchanger used in gas liquefying method
07/24/1996EP0722758A2 Separation of fluid mixtures in multiple distillation columns
07/23/1996US5538534 Combined installation of a metal production unit and a unit for the separation of air gas
07/23/1996US5537840 Downflow plate and fin heat exchanger for cryogenic rectification
07/21/1996CA2167265A1 Separation of fluid mixtures in multiple distillation columns
07/18/1996WO1996021945A1 Nitrogen gas supply system
07/17/1996EP0722074A2 Air separation
07/17/1996EP0721557A1 Improved thermodynamic separation
07/17/1996CN1126819A Air separation method and apparatus
07/16/1996US5535594 Eliminates separate cooling cycle; utilizes single compressor group
07/10/1996EP0721094A2 Air separation
07/10/1996EP0720966A1 Recovery of carbon dioxide
07/10/1996CN1126307A Model predictive control method for an air-seperation system
07/10/1996CN1126306A Process for the recovery of oxygen from a cyregenic air separation system
07/10/1996CN1126305A Side column cryogenic rectification system for producing lower purity oxygen
07/10/1996CN1126304A Cyrogenic rectification system for producing elevated pressure nitrogen
07/09/1996US5533339 Heat exchanging, distillation
07/09/1996US5533338 Cryogenic vapor recovery process and system
07/03/1996CN1125838A Method and apparatus for seperating air with low temperature
07/02/1996US5532384 Process for producing hydrocarbon partial oxidation products
07/02/1996US5531808 Removal of carbon dioxide from gas streams
06/1996
06/26/1996EP0718583A1 Inlet/outlet chamber for fluid and apparatus for circulation of the fluid
06/26/1996EP0718582A1 Apparatus for circulation of fluid
06/26/1996EP0718576A1 Process for separating a gaseous mixture by cryogenic distillation
06/26/1996EP0718024A2 Removal of carbon dioxide from gas streams
06/26/1996CN1125191A Process and device for the preparation of high-purity liquid nitrogen
06/25/1996US5528906 Producing overhead lean in hydrocarbons; liquefaction; rectification; stripping; extraction
06/24/1996CA2166033A1 Fluid inlet/outlet chamber and corresponding fluid circulation apparatus
06/24/1996CA2165916A1 Process for the separation of a gas mixture through cryogenic distillation
06/24/1996CA2162345A1 Removal of carbon dioxide from gas streams
06/22/1996CA2165719A1 Fluid circulation apparatus
06/20/1996DE19517116C1 Verfahren zur Verringerung des Energieverbrauchs A method for reducing energy consumption
06/19/1996EP0717249A2 Air Separation
06/18/1996US5526647 Process and installation for the production of gaseous oxygen under pressure at a variable flow rate
06/18/1996CA2097751C Liquefier process
06/18/1996CA2094530C Cryogenic rectification system with dual heat pump
06/18/1996CA2094315C Triple column cryogenic rectification system
06/12/1996EP0716281A2 Apparatus and method for liquefying
06/12/1996EP0716280A2 Methods and apparatus for the low temperature air separation
06/12/1996CN1124345A Method and apparatus for seperating air in low temperature
06/05/1996EP0714689A2 Purification apparatus
06/05/1996CN1031924C Hybrid prepurifier for cryogenic air separation plants
06/04/1996US5522224 Analyzing intermediate and downstream output products to correct future predicted errors; cryogenics; accuracy
05/1996
05/29/1996EP0714005A2 Air separation
05/29/1996CN1123400A Air seperation
05/29/1996CN1123399A Air seperation
05/28/1996US5520249 Process for the pretreatment of a natural gas containing hydrogen sulphide
05/28/1996US5520169 Anesthesia arrangement for recovering gaseous anesthetic agents
05/28/1996CA2092454C High recovery cryogenic rectification system
05/23/1996WO1996015414A1 Hydrocarbon gas processing
05/22/1996EP0713069A1 Process and plant for air separation
05/22/1996EP0713068A2 Air separation method and apparatus
05/22/1996CA2157826A1 Air separation method and apparatus
05/21/1996US5518667 Liquid distributor for heat and mass exchange device, distillation column comprising such a distributor and use of such a column for distillation of air
05/17/1996WO1996014547A1 Lng production in cryogenic natural gas processing plants
05/17/1996CA2204149A1 Lng production in cryogenic natural gas processing plants
05/15/1996EP0711966A2 Process for obtaining an ethane-rich fraction for refilling the ethane-containing refrigeration circuit of a liquefaction process for a hydrocarbon-rich fraction
05/15/1996CN1122440A Cryogenic rectification system capacity control method
05/14/1996US5515688 Process and installation for the production of oxygen and/or nitrogen under pressure
05/14/1996US5515687 Process and installation for the production of oxygen and/or nitrogen under pressure
05/08/1996EP0710809A1 Process and apparatus for expanding and compressing at least one gaseous stream
05/07/1996US5513497 Separation of fluid mixtures in multiple distillation columns
05/01/1996EP0709632A2 Air separation method and apparatus for producing nitrogen
04/1996
04/30/1996US5511382 Process and installation for the cryogenic purification of hydrogen
04/30/1996US5511381 Air separation
04/30/1996US5511380 High purity nitrogen production and installation
04/26/1996CA2159308A1 Air separation method and apparatus to produce nitrogen
04/25/1996DE19507198A1 Sepn. of organic vapours from air and gases by condensation
04/24/1996EP0707885A1 Structured packing with improved capacity for rectification systems
04/24/1996EP0707700A1 Improved heat exchanger with brazed plates
04/24/1996CN1121174A Cryogenic air separation system with liquid air stripping
04/24/1996CN1121173A Air separation
04/24/1996CN1121172A Process and installation for the production of oxygen by distillation of air
04/24/1996CN1121092A Method of utilization of substance containing organic composition through combustion and melting unorganic composition
04/23/1996US5509271 Process and installation for the separation of a gaseous mixture
04/23/1996CA2083562C Cryogenic rectification system for producing elevated pressure product
04/18/1996WO1996011370A1 Method and plant for liquefying natural gas
04/18/1996DE4436384A1 Device and process to liquefy gases from gas mixts.
04/17/1996CN1120652A Process and plant for the production of gaseous oxygen under pressure
04/17/1996CN1120651A Process and apparatus for recovery of pure argon
04/16/1996US5507148 Separation of air by low temperature rectification using a distillation column to produce an oxygen rich liquid column bottoms and a nitrogen rich vapor tower overhead; condensation; refluxing
04/16/1996US5507147 Condensation and absorption
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