| Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467) |
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| 01/07/1997 | US5590544 Process and apparatus for recovery of pure argon |
| 01/07/1997 | US5590543 Removing portion of liquid descending the distillation column |
| 01/07/1997 | US5590519 Combined combustion and exhaust gas cleansing plant |
| 01/02/1997 | EP0751358A2 Method and apparatus for producing ultra-high purity oxygen |
| 01/02/1997 | EP0750933A1 Process and apparatus for the preparation of a substantially purified flux of at least one of the impurities chosen between oxygen and carbon monoxide |
| 01/02/1997 | EP0750932A2 Volatile organic compounds recovery from vent gas streams |
| 01/02/1997 | EP0636237B1 Process for the low-temperature air separation and air separation plant |
| 01/02/1997 | DE19526225C1 Refrigerant circuit for cooling fluids |
| 01/01/1997 | CN1139196A Cryogenic vapor recovery process and system |
| 12/31/1996 | US5588308 Cooling, partially liquefying compressed natural gas feed stream, separating methane-rich vapor, introducing liquid into stripping column, recovering methane vapor, expanding and vaporizing bottoms liquid by indirect heat exchange |
| 12/31/1996 | US5588306 Process for obtaining an ethane-rich fraction for refilling an ethane-containing refrigerant circuit of a process for liquefaction of a hydrocarbon-rich fraction |
| 12/31/1996 | CA2180235A1 Process and device for the preparation of a flow which is substantially purified with respect to at least one of the impurities oxygen and carbon monoxide |
| 12/27/1996 | EP0750340A1 Nitrogen gas supply system |
| 12/27/1996 | CA2175775A1 Method and apparatus for producing ultra-high purity oxygen |
| 12/24/1996 | US5586451 Cryogenics; dividing rich liquid into two fractions and reentering them at different levels in low pressure column; withdrawing impure nitrogen |
| 12/24/1996 | CA2111618C Triple column distillation system for oxygen and pressurized nitrogen production |
| 12/24/1996 | CA2110664C Cryogenic helium production system |
| 12/19/1996 | WO1996040604A1 Hydrocarbon gas processing |
| 12/19/1996 | DE19543953C1 Recovery of oxygen@ and nitrogen@ under super-atmospheric pressure |
| 12/18/1996 | EP0748765A1 Installation for the production of carbon monoxide including a cryogenic separation plant |
| 12/18/1996 | EP0748763A1 Integrated natural gas conversion and air separation |
| 12/18/1996 | EP0748644A1 Liquid-vapour contact apparatus |
| 12/18/1996 | CN1138314A Method and apparatus for preparing high purity hydrogen bromide |
| 12/11/1996 | EP0607006B1 Plate fin heat exchanger built-in type multi-stage thermosiphon |
| 12/10/1996 | US5582036 Producing oxygen enriched blast air and high purity oxygen |
| 12/10/1996 | US5582035 Air separation |
| 12/10/1996 | US5582034 Reflux for distillation column is produced by condensation of stream of nitrogen-rich vapor through indirect heat exchange with liquid stream extracted from distillation column |
| 12/10/1996 | US5582033 Purification by pressurizing in two different pressure columns, liquefying, vaporization |
| 12/10/1996 | US5582032 High purity product produced from bottom of distillation column comprising at the bottom of the column a reboiler in fluid contact with the high purity product liquid |
| 12/10/1996 | US5582031 Air separation |
| 12/10/1996 | US5582029 Use of nitrogen from an air separation plant in carbon dioxide removal from a feed gas to a further process |
| 12/10/1996 | US5582014 Gas compressor for halocarbon purification |
| 12/05/1996 | DE19620453A1 Procedure for dissociation of gases at low temperature |
| 12/04/1996 | EP0745817A1 oxygen gas manufacturing apparatus |
| 12/04/1996 | EP0744992A1 Process for preparing particles or powders |
| 12/04/1996 | CN1137020A Oxygen gas production apparatus |
| 12/03/1996 | CA2071123C Process and system for controlling a cryogenic air separation unit during rapid changes in production |
| 12/03/1996 | CA2068065C Process to produce oxygen and nitrogen at medium pressure |
| 11/27/1996 | EP0744205A2 Integrated air separation method |
| 11/26/1996 | US5577394 Air separation |
| 11/14/1996 | WO1996035914A1 Energy saving process |
| 11/14/1996 | DE19538614A1 Working up natural gas contg., e.g., nitrogen@ |
| 11/13/1996 | EP0742415A2 Process for removing nitrogen from LNG |
| 11/13/1996 | CN1135597A Method for recovering and purifying argon from low-temp. air separating device and apparatus thereof |
| 11/13/1996 | CN1135596A Air separation |
| 11/12/1996 | US5572874 Argon, oxygen |
| 11/12/1996 | US5572861 S cycle electric power system |
| 11/12/1996 | CA2072179C Cryogenic rectification method for producing refined argon |
| 11/07/1996 | DE19623322A1 Double column air sepn. plant |
| 11/07/1996 | DE19623310A1 Low pressure single column air sepn. plant |
| 11/05/1996 | US5570582 Heat exchanging, liquefaction, cryogenics and purification |
| 10/30/1996 | EP0740119A2 Defrost and liquid distribution devices for plate-fin heat exchangers |
| 10/30/1996 | CN1134748A Cryogenic separation |
| 10/30/1996 | CN1134310A Fluid distributor for heat and material ehchange column |
| 10/29/1996 | US5568737 Hydrocarbon gas processing |
| 10/23/1996 | EP0738862A1 Heat exchanger with brazed plates, and corresponding method for processing a two-phase fluid |
| 10/23/1996 | CN1134187A Improved thermodynamic separation |
| 10/23/1996 | CN1134179A Method for recovery of coal bed methane |
| 10/23/1996 | CN1133964A Process for separation of gas mixture by cryogenic distillation |
| 10/22/1996 | US5566556 Process and unit for supplying a gas under pressure to an installation that consumes a constituent of air |
| 10/22/1996 | US5566554 Hydrocarbon gas separation process |
| 10/16/1996 | CN1133431A Liquid inlet/outlet cavity and relative fluid circulation device |
| 10/16/1996 | CN1133429A 流体循环装置 Fluid circulation means |
| 10/16/1996 | CN1133428A Extraction process for pure carbon monoxide fraction |
| 10/16/1996 | CN1133392A Method and device for expanding and compressing at least one kind of gaseous stock fluid |
| 10/15/1996 | US5564290 High pressure |
| 10/15/1996 | CA2096141C Sequence for separating propylene from cracked gases |
| 10/09/1996 | EP0736314A1 Distributor for fluids |
| 10/08/1996 | US5561988 Retrofit unit for upgrading natural gas refrigeraition plants |
| 10/05/1996 | CA2173280A1 Fluid distributor for a heat and material exchange column |
| 10/03/1996 | WO1996030708A1 Method of treating a pyrogas before gas separation; method of obtaining industrial low temperatures in a vapour compression refrigeration machine by treating the pyrogas before gas separation |
| 10/03/1996 | WO1996030695A1 Self-cleaning low temperature refrigeration system |
| 10/02/1996 | DE19513050A1 Operation of high temp. waste disposal reactor with oxygen fractionator |
| 10/02/1996 | CN1132105A Purification apparatus |
| 10/01/1996 | US5560763 Three or more beds subjected to a pressure swing adsorption process; feeding; pressurization; purging; repressurization; purge conducted with a waste stream of nitrogen |
| 10/01/1996 | US5560223 Process and installation for the expansion and compression of at least one gaseous stream |
| 09/25/1996 | EP0733869A2 Air separation |
| 09/25/1996 | EP0733589A2 Process and apparatus for recovery and purification of argon from a cryogenic air separation unit |
| 09/25/1996 | EP0733390A2 Cryogenic vapour recovery process and system |
| 09/24/1996 | US5557951 Process and apparatus for recovery and purification of argon from a cryogenic air separation unit |
| 09/18/1996 | EP0732556A1 Method and apparatus for vaporizing a liquid stream |
| 09/18/1996 | EP0731900A1 Method and plant for liquefying natural gas |
| 09/18/1996 | CN1131056A Structured packing with improved capacity for rectification systems |
| 09/18/1996 | CN1131053A Removal of carbon dioxide from gas streams |
| 09/17/1996 | US5557549 For troubleshooting an abnormal condition |
| 09/17/1996 | US5555748 Hydrocarbon gas processing |
| 09/16/1996 | CA2171679A1 Process and apparatus for spraying a liquid flow |
| 09/12/1996 | WO1996027824A1 Multivariable process control method and apparatus |
| 09/12/1996 | DE19609490A1 Oxygen-production process with reduced energy requirement |
| 09/12/1996 | CA2214590A1 Multivariable process control method and apparatus |
| 09/11/1996 | CN1130753A Air separating method and equipment |
| 09/06/1996 | WO1996027111A1 High efficiency nitrogen generator |
| 09/04/1996 | EP0729773A2 Process for removing organic vapor from air and technical gases |
| 09/04/1996 | EP0572590B1 Method of denitrogenating a charge of a hydrocarbon mixture consisting mainly of methane and containing at least 2 % mol nitrogen |
| 09/03/1996 | US5551972 Absorption process without external solvent |
| 09/03/1996 | US5551258 Air separation |
| 09/03/1996 | US5551257 Production of ultrahigh purity nitrogen |
| 09/03/1996 | CA2109038C Cryogenic rectification system with thermally integrated argon column |
| 08/28/1996 | EP0728999A2 Separation of gas mixtures |
| 08/28/1996 | EP0728284A1 Cryogenic separation |