Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
11/1999
11/10/1999CN1234787A Hydrocarbon gas processing
11/09/1999US5980609 Hydrogen recovery process
11/09/1999US5980607 Supplying flow of oxygen separated from air by rectification to molten ferrous metal in steelmaking process
11/09/1999US5979440 Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
11/09/1999US5979183 High availability gas turbine drive for an air separation unit
11/09/1999US5979182 Cooling; distillation; heat exchanging
11/09/1999US5979178 Process for recovering olefins from cracked gases
11/09/1999US5979177 Ethylene plant refrigeration system
11/04/1999WO1999034189A8 Process and device to solidify and thaw a polarized gas comprising xenon
11/04/1999DE19919587A1 Luftdestillationsanlage und Kältebox Air distillation plant and cold box
11/03/1999CN1233740A Single expander and cold compressor process to produce oxygen
11/03/1999CN1233739A Multiple expander process to produce oxygen
11/03/1999CN1233730A Optimum fin designs for downflow reboilers
11/02/1999US5976227 Device for separating liquid from a gas-liquid mixture
11/02/1999US5974829 Method for carbon dioxide recovery from a feed stream
11/02/1999CA2186550C Process and apparatus for the production of moderate purity oxygen
11/02/1999CA2169802C Integrated air separation process
10/1999
10/28/1999WO1999054673A1 Method and installation for air distillation with production of argon
10/28/1999WO1999054658A1 Process plant
10/28/1999WO1999054036A1 Improved floating marine structure
10/28/1999CA2327315A1 Improved floating marine structure
10/27/1999EP0952419A1 Optimum fin designs for downflow reboilers
10/27/1999EP0952417A2 Separation of air
10/27/1999EP0952416A2 Cryogenic rectification system with serial liquid air feed
10/27/1999EP0952415A1 Distillation process and apparatus for variable argon production
10/26/1999US5970743 Production of argon from a cryogenic air separation process
10/26/1999US5970742 Two-way communication from one end and one-way communication from the other end of column
10/20/1999CN1232168A Rapid restart system for cryogenic air separation plant
10/20/1999CN1232167A Serial column cryogenic rectification system producing high purity nitrogen
10/20/1999CN1232166A Cryogenic rectification system with serial liquid air feed
10/20/1999CN1232165A Efficient process to produce oxygen
10/19/1999US5966967 Cryogenic air separation
10/14/1999DE19815885A1 Air separation method producing gas, or gas and liquid e.g. for steel plant
10/13/1999EP0949475A2 Separation of air
10/13/1999EP0949474A2 Separation of air
10/13/1999EP0949473A1 Rapid restart system of cryogenic air separation plant
10/13/1999EP0949472A1 Serial column cryogenic rectification system for producing high purity nitrogen
10/13/1999EP0949471A1 Cryogenic air separation plant with two different operation modes
10/13/1999EP0949470A2 System and method for delivery of a vapor phase product to a point of use
10/13/1999EP0949469A2 Separation of carbon monoxide from gaseous mixtures containing carbon monoxide and hydrogen
10/13/1999EP0948983A2 Improved distillation schemes for multicomponent separations
10/13/1999EP0948730A1 Method and device for producing compressed nitrogen
10/13/1999EP0948723A1 Self-cleaning cryogenic refrigeration system
10/13/1999EP0948458A1 Method for purifying a cryogenic fluid by filtration and adsorption
10/13/1999CN1231417A Low temp. rectifying apparatus for producing high-purity oxygen or low-purity oxygen
10/13/1999CN1231416A Low temp. argon production systemusing heat-coupling stripper
10/13/1999CN1231415A Low temp. air separation system with integrated mechanical compression
10/13/1999CN1045656C Process and unit for supplying a gas under pressure to an installation that consumes a constituent of air
10/12/1999US5965014 Method of gas stream purification having independent vapor and liquid refrigeration using a single refrigerant
10/12/1999US5964923 Removing water and a portion of hydrocarbons from a gas stream of water, methane, nitrogen and c3+ hydrocarbons; separating methane from nitrogen using membranes that preferentially permeate methane and reject nitrogen
10/12/1999US5964104 Two stage rectification
10/12/1999US5964085 System and method for generating a gaseous fuel from a solid fuel for use in a gas turbine based power plant
10/12/1999CA2183511C Air separation method and apparatus for producing nitrogen
10/09/1999CA2267805A1 Separation of air
10/08/1999CA2268312A1 Serial column cryogenic rectification system for producing high purity nitrogen
10/07/1999WO1999050545A1 Power generation apparatus and method
10/07/1999DE19913907A1 Cryogenic distillation of air
10/06/1999EP0947791A2 Cryogenic argon production system with thermally integrated stripping column
10/06/1999EP0947790A1 Cryogenic air separation system for feed air flow disturbances
10/06/1999EP0947789A2 Cryogenic air separation system with integrated machine compression
10/06/1999EP0947788A1 Air purification by reversible heat exchangers and water adsorbent bed
10/06/1999CN1230681A Waste gas treatment-clearing away pollutant and recovering of useful products
10/06/1999CN1230680A Cryogenic air separation system for feed air flow disturbances
10/06/1999CN1230679A Air separation process using warm and cold expanders
10/05/1999US5960644 Removing carbon dioxide, ethane and heavier components from a natural gas
10/05/1999US5960643 Production of ethylene using high temperature demethanization
10/02/1999CA2268225A1 Cryogenic argon production system with thermally integrated stripping column
10/01/1999CA2267727A1 Cryogenic air separation system for feed air flow disturbances
09/1999
09/30/1999WO1999034189A3 Process and device to solidify and thaw a polarized gas comprising xenon
09/29/1999EP0945161A1 Separating nitrogen from air
09/29/1999EP0944804A1 Heat exchangers
09/29/1999CN1229908A Separation of air
09/29/1999CN1229907A Process for purifying air by adsorption before cryogenic distillation
09/28/1999US5956974 Work expanding process stream with nitrogen content equal to or greater than that in feed air and then condensing at least portion of expanded stream by latent heat exchange with at least one of the two liquids; condensing second process stream
09/28/1999US5956973 Air separation with intermediate pressure vaporization and expansion
09/28/1999US5956972 Vaporization using reboilers
09/28/1999US5956971 Introducing multi-component feed stream into separation system, cooling vapor stream rich in methane to liquefy and withdrawing portion of product; introducing second portion of liquefied stream to separation system to provide refrigeration
09/28/1999CA2182126C Cryogenic rectification system with dual phase turboexpansion
09/22/1999EP0921850A4 Packing for separation columns and process of use
09/22/1999CN2339943Y Cooling energy-saving vacuum pot in phosphorous plaster filtering system
09/22/1999CN1229185A Elevated pressure air separation process with use of waste expansion for compression of process stream
09/21/1999US5953937 Process and apparatus for the variable production of a gaseous pressurized product
09/21/1999US5953936 Distillation process to separate mixtures containing three or more components
09/21/1999US5953935 Ethane recovery process
09/16/1999WO1999030093B1 Enhanced ngl recovery processes
09/16/1999DE19910871A1 Air separation process using cryogenic distillation
09/16/1999DE19831830A1 Pure argon recovery in an air separation plant
09/15/1999EP0942246A2 Process and device for air separation
09/14/1999US5950455 Efficient air flow distribution
09/14/1999US5950453 Multi-component refrigeration process for liquefaction of natural gas
09/10/1999WO1999044971A1 Cryogenic separation process for the recovery of components from the products of a dehydrogenation reactor
09/10/1999WO1999031198A3 Plant for removing carbon dioxide from gases and method for the exploitation of said plant
09/08/1999CN1227909A Combined process and plant for producing compressed air and at least one air gas
09/07/1999US5946942 Annular column for cryogenic rectification
09/07/1999US5946941 Method for processing pyrolysis gas prior to gas separation and method for producing low temperature cold in a vapor compression refrigerating machine during processing of pyrolysis gas prior to gas separation
09/01/1999CN1227341A Apparatus and method for producing nitrogen
08/1999
08/26/1999WO1999042780A1 Heat exchangers
08/26/1999WO1999042773A1 Air purification with regenerators and adsorption bed for water
08/26/1999WO1999031447A3 Apparatus and process for the refrigeration, liquefaction and separation of gases with varying levels of purity
08/26/1999DE19807225A1 Air preconditioning for fractionation, reducing costs and energy consumption
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