Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
02/2000
02/15/2000US6023942 Process for liquefaction of natural gas
02/10/2000DE19852020A1 Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft Method and apparatus for low-temperature fractionation of air
02/09/2000EP0978700A1 Annular column for cryogenic rectification
02/09/2000EP0978699A1 Process and apparatus for the cryogenic separation of air
02/09/2000CN1243940A Low temperature annular column for rectification
02/08/2000US6021647 Ethylene processing using components of natural gas processing
02/02/2000EP0975923A1 Method for liquefying a stream rich in hydrocarbons
02/02/2000CN1243214A System and method for delivering vapor-phase product to place for using
01/2000
01/26/2000EP0731900B1 Method and plant for liquefying natural gas
01/26/2000CN1242503A Cryogenic air separation system with high ratio turboexpansion
01/26/2000CN1048712C Improved precooling for ethylene recovery in dual demethanizer fractional system
01/26/2000CN1048711C Method for separating of C2/C3 hydrocarbon compounds in ethene apparatus
01/25/2000US6016667 Mixing with methanol; refirgeration; separation; stabilization
01/25/2000US6016665 Cascade refrigeration process for liquefaction of natural gas
01/25/2000CA2200249C Cryogenic rectification system with staged feed air condensation
01/25/2000CA2196354C Air boiling cryogenic rectification system with staged feed air condensation
01/25/2000CA2196353C Single column cryogenic rectification system for lower purity oxygen production
01/19/2000EP0890066A4 Cryogenic accumulator for spin-polarized xenon-129
01/19/2000CN1241991A Recovery of a secondary ethylene stream from an ethylene purification process
01/19/2000CN1241985A Method for purifying a cryogenic fluid by filtration and adsorption
01/19/2000CN1241708A Cryogenic rectification system with modular cold boxes
01/19/2000CN1048417C Method for separating hydrocarbon from catalytic cracked dry gas
01/18/2000US6014995 Onsite petrochemical storage and transport system
01/18/2000US6014869 Reducing the amount of components having low boiling points in liquefied natural gas
01/18/2000CA2029869C Cryogenic separation of gaseous mixtures
01/12/2000EP0971190A1 Method and apparatus for separating air using vortex tubes
01/12/2000EP0971189A1 Cryogenic air separation system with high ratio turboexpansion
01/12/2000EP0971188A1 Cryogenic rectification system with modular cold boxes
01/12/2000EP0970916A2 Ozone storing method and ozone storage system
01/12/2000EP0970336A1 Combined installation of a furnace and an air distillation apparatus and use method
01/11/2000CA2195181C Heat exchanger
01/11/2000CA2176430C Retrofit unit for upgrading natural gas refrigeration plants
01/10/2000CA2270507A1 Cryogenic rectification system with modular cold boxes
01/05/2000EP0969258A2 Production of argon by a cryogenic air separation process
01/05/2000EP0968959A1 Process for the production of carbon monoxide
01/05/2000DE19823526C1 Verfahren zur Xenongewinnung Method for xenon recovery
01/05/2000CN2357297Y Machine for recovering and purifying freon
01/05/2000CN1048089C Air separation method
01/04/2000US6009723 Elevated pressure air separation process with use of waste expansion for compression of a process stream
12/1999
12/29/1999WO1999067621A1 Device for sampling volatile species traces present in a gaseous atmosphere
12/29/1999WO1999067587A1 Cryogenic and membrane synthesis gas production
12/29/1999EP0772665B1 Method of enriching the methane content of a mine gas
12/28/1999US6006546 Cryogenic distillation
12/28/1999US6006545 Liquefier process
12/28/1999CA2186549C Light component stripping in plate-fin heat exchangers
12/28/1999CA2124601C Hydrogen fractionation by adsorbent membranes
12/23/1999WO1999066154A1 Containment enclosure
12/22/1999EP0965564A1 Carbon dioxide production system with integral vent gas condenser
12/22/1999EP0964986A1 Synthesis gas expander located immediately upstream of combustion turbine
12/22/1999CN1239533A Synthesis gas expander located immediately upstream of combustion turbine
12/22/1999CN1239072A Carbon dioxide production system with integral vent gas condenser
12/21/1999US6004433 Purification of electronic specialty gases by vapor phase transfilling
12/21/1999US6004377 System for collecting and refining SF6 gas and method therefor
12/15/1999EP0964215A2 Method for carbon dioxide recovery from a feed stream
12/15/1999EP0964050A2 System and method for generating a gaseous fuel from a solid fuel for use in a gas turbine based power plant
12/15/1999CN1238232A Method for carbon dioxide recovery from feed stream
12/14/1999USRE36435 For vaporizing oxygen and condensing nitrogen comprising running type main heat exchanger which is partially immersed during stoppage of equipment and auxiliary heat exchanger which alone is responsible liquid vaporization when restarted
12/14/1999US6000239 Cryogenic air separation system with high ratio turboexpansion
12/08/1999EP0962732A1 Multiple column nitrogen generators with oxygen coproduction
12/08/1999CN1238031A Self-cleaning cryogenic refrigeration system
12/08/1999CN1237697A Multiple columin nitrogen coproduction
12/08/1999CN1237536A Process and plant for combined production of ammnonis synthesis mixture and carbon monoxide
12/08/1999CN1237535A Process and plant for production of carbon monoxide and hydrogen
12/08/1999CA2273123A1 System and method for generating a gaseous fuel from a solid fuel for use in a gas turbine based power plant
12/07/1999US5996373 Cryogenic air separation process and apparatus
12/07/1999CA2008187C Air distillation process and unit; production of ultrapure oxygen
12/02/1999WO1999061854A1 Process and apparatus for the production of nitrogen by cryogenic distillation using a dephlegmator
12/02/1999WO1999061853A1 Method for extracting xenon
12/02/1999WO1999061852A1 Ethylene processing using components of natural gas processing
12/02/1999DE19819263A1 Production of nitrogen gas by low temperature rectification of liquefied air using high and low pressure fractionating columns
12/02/1999CA2332894A1 Ethylene processing using components of natural gas processing
12/01/1999EP0960640A2 Operable and efficient distillation schemes for multicomponent separations
12/01/1999EP0960086A1 Recovery of a secondary ethylene stream from an ethylene purification process
12/01/1999CN1237124A Method and apparatus for purification of argon
12/01/1999CN1236884A Separation of air
11/1999
11/30/1999US5993760 Bulk nitrogen purification process that requires no hydrogen in the regeneration
11/30/1999US5992175 Separation of c2+ or c3+ hydrocarbons from a hydrocarbon-containing gas feed under pressure
11/25/1999WO1999060316A1 Liquefying a stream enriched in methane
11/24/1999EP0959314A2 Indirect fired gas turbine integrated with an air separation unit
11/24/1999EP0959313A2 Cryogenic rectification system with integral product boiler
11/24/1999CN1236087A Cryogenic rectification system with integral product boiler
11/24/1999CN1046695C Method for recovering ethylene by using mixed refrigerant cycle
11/24/1999CN1046694C Method for recovering ethylene by using open loop mixed refrigerant cycle
11/23/1999US5989313 Method for operation of an air prepurifier which takes into account inlet air conditions
11/23/1999US5987918 Compression, purification, distillation
11/17/1999EP0956928A1 Method and apparatus for purification of argon
11/17/1999EP0956268A1 Method and apparatus for separating volatile components from a liquid
11/17/1999CN1235666A Method and apparatus for producing compressed nitrogen
11/16/1999US5984643 Variable capacity swash-plate-type refrigerant compressor
11/16/1999US5984282 Packed liquid-vapor contact column having at least one band of packing sheets surrounding a central core of packing sheets
11/16/1999US5983668 Air separation unit feed flow control in an IGCC power generation system
11/16/1999US5983667 Cryogenic system for producing ultra-high purity nitrogen
11/16/1999US5983666 Air separation plant with distillation columns to separate oxygen and nitrogen gas, expansion and heat exchanging
11/16/1999US5983665 Recovering methane from feed gases of hydrocarbons, cooling,heat exchaging, condensing and vaporization
11/16/1999US5983664 Hydrocarbon gas processing
11/11/1999WO1999057497A1 Air distillation plant and corresponding cold box
11/11/1999WO1999056855A1 Method for producing a xenon concentrate
11/10/1999EP0955509A1 Process and apparatus to produce high purity nitrogen
11/10/1999CN2348341Y Indoor air oxygen-enriching device
11/10/1999CN2348340Y Rapid stable bringing into rectification service air separating device
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