Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
01/2003
01/07/2003US6502404 Cryogenic rectification system using magnetic refrigeration
01/07/2003CA2297582C Distillation system for producing carbon dioxide
01/02/2003US20030000342 Methods and apparatuses for integration of a blast furnace and an air separation unit
01/02/2003US20030000248 Medium-pressure nitrogen production with high oxygen recovery
01/02/2003EP1271081A2 Air seperation process
01/02/2003EP1271080A1 Medium-pressure nitrogen production with high oxygen recovery
01/02/2003EP1269094A2 Method and installation for generating energy
01/01/2003CN2529172Y Device for separating mixed gas
01/01/2003CN1388351A Nitrogen gas removing method
01/01/2003CN1097716C Process and installation for separation of a gaseous mixture by cryogenic distillation
01/01/2003CN1097715C Process and equipment for producing high pressure oxygen
01/01/2003CN1097714C Method of constructing large elongate fluid-confining internal strcecture surrounded by external structure
01/01/2003CN1097473C Method for purifying low temp. fluid containing N2O, CnHm and/or NOx impurities
12/2002
12/31/2002US6500241 Hydrogen and carbon dioxide coproduction
12/31/2002US6499313 Process and apparatus for generating high-purity nitrogen by low-temperature fractionation of air
12/31/2002US6499312 Cryogenic rectification system for producing high purity nitrogen
12/27/2002WO2002103157A1 Process for the recovery of oil from a natural oil reservoir
12/26/2002US20020198430 Gas obtained by pyrolysis of hydrocarbons is fed into de-ethanizer, at different intermediate levels, at the top of which the vapor ofthe column distillate is treated directly in an acetylene hydrogenation reactor; separating effluent
12/26/2002US20020195727 Mixed-resistance structured packing
12/26/2002US20020194866 Introgen rejection method
12/25/2002CN1387014A Cryogenic condensing and vaporizing system
12/25/2002CN1096872C Liquid dispenser for oscillating distilling column, and corresponding distilling column
12/19/2002WO2002101307A1 Natural gas liquefaction
12/19/2002WO2002101216A1 Method and installation for energy production by means of a gas turbine associated with an air separation unit
12/19/2002WO2002085528A3 Apparatus and process for treatment, delivery and recycle of process fluids for dense phase carbon dioxide applications
12/19/2002US20020190402 Packing for mass transfer column
12/19/2002US20020189443 Method of removing carbon dioxide or hydrogen sulfide from a gas
12/19/2002US20020189281 Medium-pressure column is used to separate a first oxygen-enriched fraction from the high-pressure column, in order to produce nitrogen, in liquefied form is used a reflux in the low-pressure column or is extracted as product
12/19/2002CA2746624A1 Natural gas liquefaction
12/18/2002EP1028792B1 Freezing a gas component in a gas mixture
12/17/2002US6494060 Cryogenic rectification system for producing high purity nitrogen using high pressure turboexpansion
12/17/2002CA2270514C Carbon dioxide production system with integral vent gas condenser
12/17/2002CA2269277C Cryogenic rectification system with integral product boiler
12/12/2002US20020185006 Process for dehydrating and fractionating a low-pressure natural gas
12/12/2002DE10152356A1 Recovering argon in a low temperature decomposition comprises removing an oxygen fraction deficient in volatile components from an intermediate point of a rectification section and fed to a pure oxygen column
12/11/2002CN1384328A 热交换器 Heat exchanger
12/11/2002CN1384177A Method and apparatus for processing syntheti gas and relevant gas
12/10/2002US6490884 Process and device for production of oxygen and nitrogen
12/10/2002US6490883 Process and apparatus for removal of volatile compounds from process gases
12/10/2002CA2125230C Method and apparatus for feeding pressurized gas to an air constituant consuming facility
12/05/2002WO2002033334A3 Method and installation for purifying and recycling helium and use in optical fibre manufacture
12/05/2002US20020178747 Obtaining argon using a three-column system for the fractionation of air and a crude argon column
12/04/2002EP1262725A2 Cryogenic condensation and vaporization system
12/04/2002EP1261518A1 Method and apparatus for placing satellites in low earth orbit
12/04/2002CN1382953A Deep freezing device for effectively separating gas
12/04/2002CN1382675A Recovering method for difluoromethane
12/04/2002CN1095496C Process for prodn. of liquefied natural gas
12/03/2002US6487877 Nitrogen generation process
12/03/2002US6487876 Method for providing refrigeration to parallel heat exchangers
11/2002
11/28/2002WO2002095315A1 Louvered fins for heat exchanger
11/28/2002WO2002095310A1 Method and installation for feeding an air separation plant with a gas turbine
11/28/2002WO2002095309A1 Cryogenic system for producing high purity argon
11/28/2002US20020174680 Cryogenic system for producing high purity argon
11/28/2002US20020174679 Ethylene plant refrigeration system
11/28/2002US20020174678 Apparatus for the liquefaction of natural gas and methods related to same
11/27/2002EP1102954B1 Method and device for cryogenic air separation
11/27/2002CN1381704A Method and device for separating gas mixture with emergency function
11/26/2002US6484534 Process and plant for separating air by cryogenic distillation
11/26/2002US6484533 Method and apparatus for the production of a liquid cryogen
11/26/2002CA2260722C Cryogenic rectification system with serial liquid air feed
11/21/2002WO2002060840A3 Cryogenic nitrogen production system using single brazement
11/21/2002US20020170313 In an emergency, a first auxiliary stream which has the composition of the first product stream or the composition of the feed gas is compressed to at least approximately the first pressure and is recirculated to the separation plant
11/20/2002EP1258690A1 Nitrogen rejection method
11/20/2002EP1062466A4 Apparatus and process for the refrigeration, liquefaction and separation of gases with varying levels of purity
11/20/2002EP1021689A4 Improved process for liquefaction of natural gas
11/20/2002CN1380492A Method for supplying impure nitrogen gas for combustion chamber of gas-turbine with normal pressure distillation device and its correspondent power generation equipment
11/19/2002CA2268999C Optimum fin designs for downflow reboilers
11/19/2002CA2268308C Rapid restart system for cryogenic air separation plant
11/14/2002US20020166656 Heat exchanger column
11/14/2002US20020166336 Hydrocarbon gas processing
11/14/2002US20020166323 Integrated air separation and power generation process
11/13/2002EP1255955A1 Method and device for small scale liquefaction of a product gas
11/13/2002EP1015827B1 Low-temperature air separation installation
11/12/2002US6478290 Packing for mass transfer column
11/12/2002US6477860 Process for obtaining gaseous and liquid nitrogen with a variable proportion of liquid product
11/12/2002US6477859 Integrated heat exchanger system for producing carbon dioxide
11/12/2002CA2078027C Process and installation for cooling gas in a harmful gas processing installation
11/07/2002WO2002088612A1 Method for separating nitrogen out of a hydrocarbon-rich fraction that contains nitrogen
11/07/2002DE10121339A1 Verfahren zum Abtrennen von Stickstoff aus einer Stickstoff-entaltenden Kohlenwasserstoff Fraktion A method for separating nitrogen from a nitrogen-entaltenden hydrocarbon fraction
11/06/2002EP1017465B1 Removing a gaseous component from a fluid
11/05/2002CA2264510C Cryogenic air separation system with integrated machine compression
11/05/2002CA2264459C Cryogenic rectification apparatus for producing high purity oxygen or low purity oxygen
10/2002
10/31/2002WO2002086404A1 Lng production in cryogenic natural gas processing plants
10/31/2002WO2002085528A2 Apparatus and process for treatment, delivery and recycle of process fluids for dense phase carbon dioxide applications
10/31/2002US20020157938 Recovery of HFC-32
10/31/2002US20020157538 Cryogenic process utilizing high pressure absorber column
10/31/2002US20020157537 Vapor-liquid contactor, cryogenic air separation unit and method of gas separation
10/30/2002EP1253127A2 Recovery of HFC-32
10/29/2002US6470707 Low-temperature separation of air in a distillation column system, said system being based on a single column rather than a connected double column.
10/25/2002CA2375944A1 Recovery of hfc-32
10/24/2002US20020152891 Method of feeding, with impure nitrogen, the combustion chamber of a gas turbine combined with an air distillation unit, and corresponding electricity generation plant
10/23/2002EP1250185A2 Air separation method and plant
10/23/2002CN1375676A Low-temperature air-separating three-tower system
10/23/2002CN1375675A Three-tower system utilizing separated air and method and apparatus for preparing argon by crude argon tower
10/22/2002US6467306 By compressing carbon monoxide-rich vapor and recycling it to the hydrogen-stripping column, it is no longer a requirement that the recycled vapor be compressed to the pressure of the feed gas stream.
10/22/2002CA2254635C Reflux condenser cryogenic rectification system for producing lower purity oxygen
10/22/2002CA2237830C Turbine/motor (generator) driven booster compressor
10/17/2002DE10213212A1 Air fractionation plant in which product stream is split, carries out all compression stages in common dual flow pump
10/17/2002DE10213211A1 Air fractionation in columns producing liquid and gaseous products, exchanges heat with circuit containing recirculated cryogenic liquid
10/17/2002DE10113791A1 Recovery of argon comprises using air decomposition system consisting of high pressure column, low pressure column and middle pressure column
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