| 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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| 06/02/2000 | WO2000031214A2 Recovery of propylene and ethylene from offgases |
| 05/31/2000 | CN1254823A Generator of steam to generate dynamic power |
| 05/30/2000 | US6067817 Process and installation for the supply of an apparatus for separating air |
| 05/30/2000 | CA2045763C Method and apparatus for simultaneously producing methane and carbon monoxide |
| 05/25/2000 | DE19929798A1 Production of ultrapure nitrogen includes drawing oxygen-free pressurized nitrogen fraction from an upper portion of the pressure column liquid and releasing in the low pressure column |
| 05/24/2000 | EP1002565A1 Gas separation installation and use of such installation for gas production |
| 05/24/2000 | CN1254411A Process for separating hydrocarbon gas constituents |
| 05/24/2000 | CN1253846A Gas separation equipment and application of gas produced by said equipment |
| 05/18/2000 | WO2000027509A1 Method and apparatus for enrichment of heavy component of oxygen isotopes |
| 05/17/2000 | EP1001236A2 Process for producing ultra pure nitrogen |
| 05/17/2000 | CN1253028A Installation for reducing bypass of steam in packing tower and its assembling method |
| 05/16/2000 | US6063353 Contacting krypton stream and xenone stream with a solid adsorbent containing phyllosilicates to remove fluoro and chloro hydrocarbons as impurities from krypton and xenone stream |
| 05/16/2000 | US6062044 Method and plant for producing an air gas with a variable flow rate |
| 05/16/2000 | US6062043 Flow delivered directly by a compression unit and partially by one delivered by a separation apparatus which is itself fed by a flow delivered directly by the compression unit. |
| 05/16/2000 | US6062042 Seperation of carbon monoxide from nitrogen-contaminated gaseous mixtures |
| 05/16/2000 | US6061936 Synthesis gas expander located immediately upstream of combustion turbine |
| 05/11/2000 | WO2000026592A1 Pfc type gas recovery method and device |
| 05/11/2000 | CA2289173A1 Process for producing ultrapure nitrogen |
| 05/10/2000 | CN1252517A Method for producing CO |
| 05/10/2000 | CN1252454A Method for using low temperature rectification combinea blast furnace and direct reduction reactor |
| 05/09/2000 | US6058736 Air separation plant |
| 05/09/2000 | US6058713 LNG fuel storage and delivery systems for natural gas powered vehicles |
| 05/04/2000 | DE19909744A1 Low-temperature air fractionating system re-compresses nitrogen-containing fraction separate from input air using indirect exchange for fraction heating. |
| 05/03/2000 | EP0997694A2 Method and apparatus for separating air to produce an oxygen product |
| 05/03/2000 | EP0997693A2 Method for integrating a blast furnace and a direct reduction reactor using cryogenic rectification |
| 05/03/2000 | EP0997189A1 Devices to minimize vapour bypass in packed columns and method of assembly |
| 05/03/2000 | CN1251897A Method for operating cryogenic rectification tower |
| 05/02/2000 | US6056791 Dissolving materials in pressurized compressible fluids at temperatures below decomposition temperature, then rapid cooling and decompression causes precipitation, for materials which decompose before they melt when heated |
| 05/02/2000 | CA2188728C Absorption process with solvent pre-saturation |
| 04/27/2000 | WO2000023757A1 Vortex tube for liquefaction and separation of components in a gas mixture |
| 04/27/2000 | WO2000023756A1 Volatile component removal process from natural gas |
| 04/27/2000 | WO2000023164A2 Distillation process for a multi-component feed stream |
| 04/27/2000 | DE19848280A1 Heat exchangers used in liquefying natural gas include anti-thermosiphons and non-return valves to prevent reverse flow on shutdown, minimize thermal stressing, cheapen materials of construction and hasten production recovery |
| 04/27/2000 | CA2347554A1 Volatile component removal process from natural gas |
| 04/27/2000 | CA2346774A1 A process for separating a multi-component pressurized feed stream using distillation |
| 04/26/2000 | EP0995958A2 Method to avoid flooding in a cryogenic rectification column |
| 04/26/2000 | EP0995478A1 Process for purifying a cryogenic fluid comprising N2O, CnHm and/or NOx as impurities |
| 04/25/2000 | US6053008 Method for carrying out subambient temperature, especially cryogenic, separation using refrigeration from a multicomponent refrigerant fluid |
| 04/25/2000 | US6053007 Process for separating a multi-component gas stream containing at least one freezable component |
| 04/19/2000 | EP0994318A2 Method and apparatus for enhancing carbon dioxide recovery |
| 04/19/2000 | EP0993585A1 Process for liquefying a natural gas stream containing at least one freezable component |
| 04/19/2000 | CN1250868A Method and apparatus for producing gas with various quantities |
| 04/19/2000 | CN1250673A Low temp. rectifying system with high strength and high capacity of packing |
| 04/19/2000 | CN1051473C Fluid distributor for heat and material exchange column |
| 04/18/2000 | US6050106 Ultra high purity nitrogen and oxygen generator unit |
| 04/18/2000 | US6050105 Apparatus and method for compressing a nitrogen product |
| 04/18/2000 | CA2204458C Cryogenic rectification system for producing low purity oxygen and high purity oxygen |
| 04/13/2000 | WO2000020812A1 Downflow liquid film type condensation evaporator |
| 04/12/2000 | EP0992282A1 Cryogenic rectification system with high strength and high capacity packing |
| 04/12/2000 | EP0992275A1 Process and installation for the production of variable quantities of a gas |
| 04/12/2000 | CN1051355C Method for recovery of coal bed methane |
| 04/11/2000 | US6047562 Separating air by cryogenic distillation in a double column comprising a medium-pressure column and a low-pressure column to collect nitrogen and oxygen |
| 04/11/2000 | US6047561 Cryogenically distilling compressed air, recovering an impure inert fluid containing hydrogen and residual impurity,, adsorbing residual impurity by means of a bed of adsorbent, removing the hydrogen impurities by means of permeation |
| 04/11/2000 | US6047560 Extraction distilling a mixed fluid comprising pentafluoroethane and 1,1,1-trifluoroethane in the presence of an extracting agent selected from esters and ketones each having standard boiling point of from-10 to 100 degree c. |
| 04/09/2000 | CA2282073A1 Process and plant for producing a variable gas output |
| 04/06/2000 | WO2000018680A1 Process for preparing a h2-rich gas and a co2-rich gas at high pressure |
| 04/05/2000 | EP0990107A1 Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator |
| 04/05/2000 | EP0990105A2 Lng fuel storage and delivery systems for natural gas powered vehicles |
| 04/05/2000 | CA2284228A1 Devices to reduce vapor bypass in packed columns and method of assembly |
| 04/04/2000 | US6045602 Method for integrating a blast furnace and a direct reduction reactor using cryogenic rectification |
| 04/04/2000 | US6044902 Heat exchange unit for a cryogenic air separation system |
| 04/04/2000 | CA2206649C Method and apparatus for producing liquid products from air in various proportions |
| 04/04/2000 | CA2049236C Method and apparatus to start-up a controlled freezing zone process and purify the product stream |
| 03/30/2000 | DE19843629A1 Verfahren und Verflüssiger zur Erzeugung von flüssiger Luft Procedures and condenser to produce liquid air |
| 03/29/2000 | EP0989375A1 Process and liquefier for producing liquid air |
| 03/29/2000 | EP0988497A1 Improved multi-component refrigeration process for liquefaction of natural gas |
| 03/29/2000 | CN1248481A Low-temp. rectifying system with corona discharge pre-treating for material feeding |
| 03/28/2000 | US6042699 Passing feed air through electric field to ionize oxygen which reacts with hydrocarbons, adsorbing carbon dioxide and water vapor formed, separating air by cryogenic rectification |
| 03/22/2000 | EP0986725A1 Air extraction in a gasification process |
| 03/22/2000 | CN2370352Y Gas and liquid separator for waste tyre treatment |
| 03/22/2000 | CN1247901A Combined iron direct-reducing system |
| 03/22/2000 | CN1050524C Device for adsorption separation of elements in gaseous mixture |
| 03/21/2000 | US6038885 Air separation process |
| 03/21/2000 | CA2202010C Air separation method and apparatus |
| 03/15/2000 | EP0985735A1 Integrated directly reduced iron production and power generation |
| 03/15/2000 | EP0985440A1 Cyrogenic rectification system with corona discharge feed air pretreatment |
| 03/15/2000 | CN1050418C 空气分离 Air Separation |
| 03/14/2000 | US6035662 Purification |
| 03/14/2000 | US6035641 Membrane-augmented power generation |
| 03/10/2000 | CA2282025A1 Cryogenic rectification system with corona discharge feed air pretreatment |
| 03/08/2000 | EP0984165A2 Pump |
| 03/08/2000 | EP0983218A1 Hydrocarbon synthesis with cryogenic nitrogen removal upstream of the syngas generation |
| 03/07/2000 | US6032484 Recovery of perfluorinated compounds from the exhaust of semiconductor fabs with recycle of vacuum pump diluent |
| 03/07/2000 | US6032483 System and method for delivery of a vapor phase product to a point of use |
| 03/01/2000 | EP0982554A1 Process and plant for producing impure oxygen by distillation |
| 03/01/2000 | CN1049842C Apparatus for distillation at atmospheric pressure |
| 02/24/2000 | WO1999061852A9 Ethylene processing using components of natural gas processing |
| 02/24/2000 | DE19939314A1 Pump for cryogenic fluid, especially fluid gained during an air distillation process, such as liquid oxygen, has labyrinth seal to prevent contamination of cryogenic fluid by flow of operating fluid from motor to pump impeller |
| 02/24/2000 | DE19938216A1 Verflüssigungsverfahren Liquefaction process |
| 02/23/2000 | EP0980502A1 Process for separating hydrocarbon gas constituents |
| 02/22/2000 | USRE36577 Air distillating column with cross-undulating lining |
| 02/22/2000 | CA2193292C Cryogenic rectification system with nitrogen turboexpander heat pump |
| 02/17/2000 | WO2000008400A1 Installation producing low voltage electricity integrated in a unit separating gas from air |
| 02/17/2000 | WO2000008399A1 Method and device for cryogenic air separation |
| 02/17/2000 | CA2339494A1 Installation producing low voltage electricity integrated in a unit separating gas from air |
| 02/16/2000 | EP0979983A1 Feed gas pretreatment in synthesis gas production |
| 02/16/2000 | EP0979982A1 Combined cryogenic and non-cryogenic gas mixture separation |
| 02/16/2000 | CN1244651A Method for producing argo from low temperature air by separation |
| 02/15/2000 | US6023945 Annular column for cryogenic rectification |
| 02/15/2000 | US6023943 Condensating-fractionating tower system |