| 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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| 05/13/1997 | US5629208 Method for controlling impurities in an installation for the separation of air |
| 05/13/1997 | US5628207 Cryogenic Rectification system for producing lower purity gaseous oxygen and high purity oxygen |
| 05/09/1997 | WO1997016505A1 Propane recovery process |
| 05/08/1997 | CA2189303A1 Operation of integrated gasification combined cycle power generation system at part load |
| 05/07/1997 | DE19541339A1 Recovering carbon mon:oxide from carbon mon:oxide-rich gas |
| 05/06/1997 | US5626036 Process for the production of oxygen by cryogenic distillation |
| 05/06/1997 | US5626035 Apparatus and method for separation of helium and neon |
| 05/06/1997 | US5626034 Heat exchange |
| 05/06/1997 | US5626023 Cryogenic rectification system for fluorine compound recovery using additive liquid |
| 05/02/1997 | EP0770841A2 Air separation |
| 05/02/1997 | EP0770840A2 Air separation |
| 05/02/1997 | EP0770578A2 Ammonia production with enriched air reforming and nitrogen injection into the synthesis loop |
| 05/01/1997 | WO1997015795A1 Rectified reflux deethanizer |
| 05/01/1997 | WO1997015639A1 Process and retrofit unit for upgrading a natural gas plant |
| 04/29/1997 | US5623833 System and method for recovering and separating non-condensing gases from a halocarbon composition |
| 04/23/1997 | EP0769668A2 Process and apparatus for the treatment of nitrogen containing natural gas |
| 04/23/1997 | EP0626989B1 Absorption process for ethylene and hydrogen recovery |
| 04/17/1997 | WO1997014008A1 Double-column process and device for the low-temperature separation of air |
| 04/17/1997 | DE19605500C1 Liquid oxygen generator process assembly |
| 04/17/1997 | DE19537910A1 Doppelsäulenverfahren und -vorrichtung zur Tieftemperaturzerlegung von Luft Double column process and apparatus for the cryogenic fractionation of air |
| 04/16/1997 | EP0768504A2 Air separation |
| 04/16/1997 | EP0768503A2 Triple column air separation process |
| 04/16/1997 | EP0768502A1 Process and apparatus for the liquefaction and the treatment of natural gas |
| 04/16/1997 | EP0768106A1 Process and apparatus for fractionating a fluid containing separable multi components, e.g. a natural gas |
| 04/10/1997 | WO1997013109A1 Liquefaction process |
| 04/10/1997 | WO1997013108A1 Liquefaction apparatus |
| 04/09/1997 | EP0767352A2 Process and apparatus for the production of moderate purity oxygen |
| 04/09/1997 | EP0767351A2 Light component stripping in plate-fin heat exchangers |
| 04/09/1997 | EP0767350A2 Ultra-high purity oxygen production |
| 04/09/1997 | EP0767349A2 The use of nitrogen from an air separation plant in carbon dioxide removal from a feed gas to a further process |
| 04/09/1997 | EP0766989A1 Purification of gases using solid adsorbents |
| 04/09/1997 | CN1147079A Cryogenic rectification system with dual phase turboexpansion |
| 04/08/1997 | US5617742 Distillation apparatus |
| 04/08/1997 | US5617741 Dual column process to remove nitrogen from natural gas |
| 04/08/1997 | US5617740 Method of producing ultra high purity monosilane and apparatus therefor |
| 04/08/1997 | US5617739 Self-cleaning low-temperature refrigeration system |
| 04/05/1997 | CA2186682A1 Purification of gases using solid adsorbents |
| 04/02/1997 | EP0766055A1 Process and apparatus for the production of pressurized gas by cryogenic distillation |
| 04/02/1997 | EP0766054A2 Cryogenic rectification system with dual phase turboexpansion |
| 04/02/1997 | EP0766053A2 Cryogenic rectification system for producing dual purity oxygen |
| 04/02/1997 | CN1146545A Equipment for production of carbon monooxide with deep cooling separation device |
| 04/02/1997 | CN1146544A High purity nitrogen gas generator |
| 04/01/1997 | US5615561 LNG production in cryogenic natural gas processing plants |
| 03/30/1997 | CA2186837A1 Process and plant for the production of a gas under pressure by cryogenic distillation |
| 03/25/1997 | US5614000 Purification of gases using solid adsorbents |
| 03/25/1997 | US5613374 Process for the low temperature separation of air and air separation installation |
| 03/25/1997 | US5613373 Process and apparatus for cooling a fluid especially for liquifying natural gas |
| 03/25/1997 | CA2075230C Coproduction of a normal purity and ultra high purity volatile component from a multi-component stream |
| 03/18/1997 | US5611219 Air boiling cryogenic rectification system with staged feed air condensation |
| 03/18/1997 | US5611218 Nitrogen generation method and apparatus |
| 03/18/1997 | CA2108847C Cryogenic air separation process and apparatus |
| 03/18/1997 | CA2106350C Distillation strategies for the production of carbon monoxide-free nitrogen |
| 03/18/1997 | CA2100404C Hybrid air and nitrogen recycle liquefier |
| 03/18/1997 | CA2070498C Cryogenic process for producing ultra high purity nitrogen |
| 03/12/1997 | EP0762066A2 Production of ultra-high purity oxygen from cryogenic air separation plants |
| 03/12/1997 | EP0762065A2 Cryogenic air separation blast furnace system |
| 03/12/1997 | EP0761596A1 Argon purification process and unit |
| 03/12/1997 | EP0761287A2 Process for recovering waste gases of a glass melting furnace |
| 03/12/1997 | EP0761281A1 Process for flue gas reduction from combustion processes |
| 03/11/1997 | US5609041 Air separation |
| 03/11/1997 | US5609040 Process and plant for producing carbon monoxide |
| 03/05/1997 | EP0593703B1 Ultra-high purity nitrogen and oxygen generator and process |
| 03/05/1997 | CN1144321A Cryagenic rectification system for fluorine compound recovery |
| 03/05/1997 | CN1034165C Absorption process for ethylene and hydrogen recovery |
| 03/04/1997 | US5607011 Reverse heat exchanging system for boiler flue gas condensing and combustion air preheating |
| 03/01/1997 | CA2184399A1 Method to reduce flue gas in incineration processes |
| 02/27/1997 | WO1997007329A1 Power plant with carbon dioxide capture |
| 02/26/1997 | EP0759317A1 Apparatus for combined heat and mass transfer |
| 02/26/1997 | CN1143748A Method and device for monitoring operation of air separation plant |
| 02/20/1997 | DE19526785C1 Verfahren und Vorrichtung zur variablen Erzeugung eines gasförmigen Druckprodukts Method and apparatus for the variable production of a gaseous pressure product |
| 02/19/1997 | EP0758733A2 Air separation process and apparatus by low temperature rectification |
| 02/19/1997 | EP0758439A1 High efficiency nitrogen generator |
| 02/11/1997 | US5602293 Process for separating a feedstock stream essentially consisting of hydrogen, methane and C3 /C4 -hydrocarbons |
| 02/11/1997 | US5600970 Cryogenic rectification system with nitrogen turboexpander heat pump |
| 02/11/1997 | US5600969 Processing side stream of natural gas liquefaction expander gas plant |
| 02/06/1997 | WO1997004279A1 Method and device for the production of variable amounts of a pressurized gaseous product |
| 02/06/1997 | WO1997003934A1 Low cost thermal coupling in ethylene recovery |
| 02/06/1997 | CA2227050A1 Method and device for the production of variable amounts of a pressurized gaseous product |
| 02/05/1997 | EP0757217A1 Air separation |
| 02/05/1997 | EP0666895B1 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen |
| 02/05/1997 | CN1142042A Process and device for evaporation of liquid flow |
| 01/29/1997 | EP0756144A2 High purity nitrogen gas generator |
| 01/29/1997 | EP0755499A1 Liquefaction process |
| 01/28/1997 | US5597037 Heat exchanging apparatus |
| 01/28/1997 | US5596886 Cryogenic rectification system for producing gaseous oxygen and high purity nitrogen |
| 01/28/1997 | US5596885 Process and installation for the production of gaseous oxygen under pressure |
| 01/28/1997 | US5596884 Cryogenic treatment of landfill gas to remove troublesome compounds |
| 01/28/1997 | US5596883 Light component stripping in plate-fin heat exchangers |
| 01/23/1997 | DE19526226A1 Ultra-pure xenon prodn. |
| 01/22/1997 | EP0754923A2 Ultra-high purity nitrogen generating method and unit |
| 01/14/1997 | US5592834 Cryogenic distillation |
| 01/14/1997 | US5592833 Process and apparatus for the recovery of pure argon |
| 01/14/1997 | US5592832 Cryogenics, rectification |
| 01/14/1997 | US5592831 Process for recovering a pure carbon monoxide fraction |
| 01/09/1997 | WO1997001069A1 Method of liquefying and treating a natural gas |
| 01/09/1997 | WO1997001068A1 Method and apparatus for separating argon |
| 01/08/1997 | EP0752566A1 Air separation |
| 01/08/1997 | EP0752565A2 Production of Argon |
| 01/08/1997 | EP0682765B1 Combined combustion and exhaust gas cleansing plant |
| 01/07/1997 | US5591241 Liquid vapor contact apparatus |