Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25J - Liquefaction, solidification, or separation of gases or gaseous mixtures by pressure and cold treatment › F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification
Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
11/2003
11/13/2003US20030209020 Method and apparatus for using a main air compressor to supplement a chill water system
11/12/2003EP1073861B1 Process plant
11/12/2003CN1455216A Nitrogen gas production method
11/12/2003CN1127652C Method for recovering and purifying argon from low-temperature air separating device and apparatus thereof
11/11/2003US6644016 Process and device for collecting air, and engine associated therewith
11/06/2003US20030205532 Method for purifying semiconductor gases
11/05/2003CN1453214A Ammonia separating and recovering method from ammonia-oil mixture
11/05/2003CN1126929C Improved cascade refrigeration method for liquefied natural gas
11/05/2003CN1126928C Improved process for liquefied natural gas
10/2003
10/30/2003WO2003051482A3 Combined recovery of hydrogen and hydrocarbon liquids from hydrogen-containing gases
10/29/2003EP1357342A1 Cryogenic triple column air separation system with argon recovery
10/29/2003EP1357341A1 Process and cryogenic liquids sampling installation, such as air separation plant with such an installation
10/29/2003EP1355868A2 Cryogenic nitrogen production system using single brazement
10/29/2003EP1355716A1 Method and system for extracting carbon dioxide by anti-sublimation for storage thereof
10/29/2003EP1038146B1 Liquefaction process and apparatus
10/29/2003CN1451603A Method for producing argon with oxygenerator set
10/29/2003CN1125965C Defrost and liquid distribution for plate fin heat exchanger
10/29/2003CN1125962C Cryogenic hybrid method and apparatus for producing high purity argon
10/28/2003US6637240 Nitrogen generation process
10/28/2003US6637239 Nitrogen rejection method and apparatus
10/28/2003US6637237 Olefin plant refrigeration system
10/28/2003CA2345873C Purification of nitrogen trifluoride by continuous cryogenic distillation
10/28/2003CA2291415C Dual mixed refrigerant cycle for gas liquefaction
10/23/2003WO2003087686A1 Method for extracting argon by low-temperature air separation
10/23/2003WO2003087022A1 Olefin plant refrigeration system
10/23/2003WO2003086965A1 Method and installation for separating a mixture of hydrogen and carbon monoxide
10/23/2003US20030197852 Method for analyzing impurities in carbon dioxide
10/23/2003US20030196452 Apparatus for the liquefaction of natural gas and methods relating to same
10/23/2003CA2502706A1 Method for extracting argon by low-temperature air separation
10/22/2003EP1353875A1 Integrated process and installation for the production of synthesis gas
10/22/2003EP1017531B1 Ultra-high strength cryogenic weldments
10/22/2003CN1125306C Method for producing oxygen
10/22/2003CN1124878C Low temp rectifying system with high strength and high capacity of packing
10/16/2003WO2003085341A1 Liquid natural gas processing
10/16/2003WO2003085340A2 Liquid natural gas processing
10/16/2003US20030192343 Cooling natural gas to form slurry comprising liquid natural gas and solid carbon dioxide, flowing slurry into hydrocyclone forming thickened slush, flowing slush through underflow and overflow of hydrocyclone
10/16/2003US20030192342 For ethylene plant; comprises closed loop tertiary refrigerant system containing methane, ethylene and propylene
10/16/2003US20030192341 Olefin plant refrigeration system
10/15/2003EP1352203A1 Method for refrigerating liquefied gas and installation therefor
10/15/2003EP1303733A4 Hydraulically balanced fully thermally coupled system
10/15/2003CN1124405C Combined cryogenic air separation with integrated gasifier
10/14/2003US6632846 Integrated urea manufacturing plants and processes
10/14/2003US6631626 Adsorption with zeolite; using portion of natural gas as refrigerant in methane economizer; compression
10/14/2003CA2344488C Nitrogen refrigerated process for the recovery of c2 + hydrocarbons
10/09/2003US20030190461 Structured packing
10/09/2003US20030188996 The LNG(liquid natural gas) feed stream is split with at least one portion used as an external reflux, without prior treatment, to improve the separation and recovery of the natural gas liquids
10/09/2003DE20121990U1 Gas production plant includes liquefaction unit for liquefying carbon dioxide separated by a separator and offgas stream from hydrogen separator
10/08/2003CN1447895A Low temp air fractionation system
10/08/2003CN1447894A Method for producing air separation installation
10/08/2003CN1123754C Method and appts. for preparing compressed oxygen, krypton/Xe via low temp air separation
10/08/2003CN1123753C Cryogenic rectification system for producing ultra-high purity nitrogen and ultra-high purity oxygen
10/08/2003CN1123752C Low temp cryogenic rectification system for producing high pressure oxygen
10/08/2003CN1123751C Method and appts. for increasing recovery rate of Co2
10/08/2003CN1123395C Nozzle for supersonic gas flow and inertia separator and supersonic separation process
10/07/2003US6629433 Indirect heat exchange of gas streams with a heat/cold carrier in heat-exchange blocks with passages
10/07/2003CA2089053C Cryogenic distillation process for the production of oxygen and nitrogen
10/02/2003WO2003033978A3 Method for separating air by cryogenic distillation and installation therefor
10/02/2003US20030182947 Reliquefaction of boil-off from liquefied natural gas
10/01/2003EP1347817A1 Method for treating a gas by adsorption and corresponding installation
10/01/2003CN1446310A High propane recovery process and configurations
10/01/2003CN1122810C Cryogenic rectification system with serial liquid air feed
10/01/2003CN1122809C Air liquifying separation device
10/01/2003CN1122808C Gas separation device including air compressor and product nitrogen compressor
10/01/2003CN1122798C Method equipment for supplying refrigeration for low temp rectifying device
09/2003
09/30/2003US6626008 Cold compression cryogenic rectification system for producing low purity oxygen
09/25/2003US20030177786 Distillation using high and low pressure multistage towers, then condensing and recovering liquefied natural gas (LNG)
09/24/2003EP1346950A1 Recovery of hydrogen and carbon monoxide from mixtures including methane and hydrocarbons heavier than methane
09/24/2003EP1345664A1 Improved hydrogen and carbon dioxide coproduction
09/24/2003CN1444719A Hydraulically balanced fully thermally coupled system
09/23/2003US6622784 Reboiler/condenser heat exchanger of the bath type
09/23/2003US6622521 Cryogenics, oxygen, nitrogen, argon
09/23/2003US6622520 Oxygen and nitrogen separation from air
09/23/2003US6622519 Process for cooling a product in a heat exchanger employing microchannels for the flow of refrigerant and product
09/23/2003CA2312551C Cryogenic rectification system for producing oxygen product at a non-constant rate
09/18/2003WO2003076053A2 A separation method and separation apparatus of isotopes from gaseous substances
09/18/2003US20030172659 Method and system for densifying cryogenic propellants
09/18/2003CA2478207A1 A separation method and separation apparatus of isotopes from gaseous substances
09/17/2003CN1443295A System and process for liquefying high pressure natural gas
09/17/2003CN1121266C Improved floating marine structure
09/17/2003CN1121265C Mixing resistance regular filler
09/17/2003CN1121263C Optimal ripple regular packing
09/16/2003US6620399 Supplying feed gas of hydrogen, nitrogen, methane and argon, cryogenically separating into synthesis and waste gases, splitting waste gas into nitrogen/methane streams, passing through cold box, delivering nitrogen for ammonia synthesis
09/10/2003EP1342968A1 Process and device for the production of an ultra high purity product from a feed with lower purity
09/09/2003CA2325754C Cryogenic system for producing enriched air
09/09/2003CA2307506C Cryogenic air separation system for producing moderate purity oxygen and moderate purity nitrogen
09/04/2003WO2003072991A1 Apparatus for the liquefaction of natural gas and methods relating to same
09/04/2003US20030164092 Process for nitrous oxide removal
09/03/2003EP1340532A1 Process and apparatus for nitrous oxide removal
09/03/2003EP1032798B1 Method and installation for separating off c2 - or c2+ - hydrocarbons
09/03/2003CN1439856A Pure argon recovering method and device
09/02/2003US6612129 Process and apparatus for producing krypton and/or xenon by low-temperature fractionation of air
09/02/2003US6612113 Integrated method of air separation and of energy generation and plant for the implementation of such a method
08/2003
08/28/2003WO2003070635A1 Method for removing contaminants from gases
08/28/2003WO2003029739A3 Cyclonic fluid separator with vortex generator in inlet section
08/28/2003US20030161780 Recycle for supercritical carbon dioxide
08/28/2003US20030159810 Multistoreyed bath condenser
08/28/2003DE20121918U1 Gas processing plant, especially for recovery of propane, comprises a refluxed absorber and a distillation column operating at a pressure at least 10 psi lower than the absorber
08/27/2003EP1338856A2 Process and apparatus for the separation of air by cryogenic distillation
08/27/2003EP1338848A2 Method and apparatus for integrated air separation and heat recovery in a furnace
08/27/2003EP1338327A1 Method and device for separation and concentration by evaporation of mixture with separation factor of approx. 1
1 ... 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 ... 115