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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09/23/1997 | US5669236 Cryogenic rectification system for producing low purity oxygen and high purity oxygen |
09/17/1997 | EP0795728A2 Combustion turbine and elevated pressure air separation system with argon recovery |
09/17/1997 | EP0795727A1 Process and apparatus for liquefying a low-boiling gas |
09/17/1997 | EP0795614A1 Process for operating an installation comprising a metal treatment unit and a unit for the treatment of gas |
09/17/1997 | EP0795349A1 Device and process for evaporating a liquid |
09/17/1997 | EP0580276B1 Refrigeration system for a natural gas liquefaction process |
09/17/1997 | CN1159568A Defrost and liquid distribution for plate-fin heat exchanger |
09/17/1997 | CN1159358A Liquid redistribution device |
09/16/1997 | US5667643 Heat exchanger and double distillation column |
09/16/1997 | US5667005 Heat exchanging unit and heat exchanging apparatus |
09/16/1997 | US5666828 Cryogenic hybrid system for producing low purity oxygen and high purity oxygen |
09/16/1997 | US5666825 Introduction or withdrawal of liquid rich in nitrogen to maintain purities of oxygen and nitrogen rich fractions |
09/16/1997 | US5666824 Cryogenic rectification system with staged feed air condensation |
09/16/1997 | US5666823 Storage of selected cryogenic liquids during periods of low power or low product demand; compression of air, combustion with a fuel, exapansion of hot combustion product, cooling to remove impurities |
09/16/1997 | US5666822 Pre-purification, compression and rectification in stages to separate nitrogen, oxygen and argon |
09/16/1997 | US5666812 Apparatus and process for renewing refrigerants |
09/16/1997 | US5666800 Gasification combined cycle power generation process with heat-integrated chemical production |
09/13/1997 | CA2199330A1 Combustion turbine and elevated pressure air separation system with argon recovery |
09/12/1997 | WO1997033132A1 Deethanizer/depropanizer sequences with thermal and thermo-mechanical coupling and component distribution |
09/12/1997 | WO1997033131A1 An installation for producing liquefied natural gas |
09/10/1997 | EP0793985A1 Liquid redistribution system |
09/10/1997 | CN1158978A Method and apparatus for producing ultra-high purity oxygen |
09/10/1997 | CN1158977A Process for removing nitrogen from liquefied natural gas (LNG) |
09/10/1997 | CN1158941A High pressure combustion turbine and air separation system integration |
09/09/1997 | US5664438 Cryogenic side column rectification system for producing low purity oxygen and high purity nitrogen |
09/09/1997 | US5664411 Heat exchange |
09/08/1997 | CA2191414A1 Liquid redistribution system |
09/04/1997 | WO1997032172A1 Reducing the amount of components having low boiling points in liquefied natural gas |
09/04/1997 | WO1997032171A1 Membrane-augmented cryogenic methane/nitrogen separation |
09/04/1997 | WO1997031701A1 Methane/nitrogen separation process |
09/04/1997 | DE19708025A1 Recovery and purification of argon from silicon crystal growing oven |
09/03/1997 | EP0793070A2 High pressure combustion turbine and air separation system integration |
09/03/1997 | EP0793069A1 Dual purity oxygen generator with reboiler compressor |
09/03/1997 | EP0792835A1 Ozone storing method and ozone storage system |
09/03/1997 | EP0572634B1 Combined adjustable-flow rate nitrogen and oxygen production method |
09/02/1997 | US5661987 Three-bed nonimmobilized rapid pressure-swing adsorber |
08/26/1997 | US5660059 Plurality of compression stages; higher pressure rectification, condensation, lower pressure rectification, refrigeration, liquefication, vaporization, heat exchange, heating and recompression |
08/20/1997 | EP0790212A1 Process and apparatus for producing carbon monoxide |
08/20/1997 | CN1157181A Process for introducing multicomponent liquid feed stream at pressure P2 into distillation column operating at lower pressure P1 |
08/19/1997 | US5659109 Method for removing mercaptans from LNG |
08/19/1997 | US5657644 Using double rectification column having high and low pressure sections and side rectification column for withdrawing argon |
08/17/1997 | CA2197529A1 Process and plant for producing carbon monoxide |
08/13/1997 | EP0789208A1 Process and installation for the production of gaseous oxygen under high pressure |
08/12/1997 | US5656557 Process for producing various gases for semiconductor production factories |
08/12/1997 | US5655388 Cryogenic rectification system for producing high pressure gaseous oxygen and liquid product |
08/12/1997 | CA2197156A1 Process and installation for producing high pressure oxygen |
08/05/1997 | US5653126 Packing material comprising thin corrugated plates having plurality of holes in square pattern, plurality of projections arranged in line, wherein lines of holes are parallel to lines of projections |
07/31/1997 | CA2195909A1 High pressure combustion turbine and air separation system integration |
07/30/1997 | EP0786633A1 Method and apparatus for separating argon |
07/29/1997 | US5651271 Precooling |
07/29/1997 | US5651270 Core-in-shell heat exchangers for multistage compressors |
07/29/1997 | US5651269 Dense phase to a liquid phase without phase transition |
07/16/1997 | CN1154464A Ultra high purity nitrogen and oxygen generator unit |
07/16/1997 | CN1154463A Process and installation for production of gaseous oxygen under pressure at variable flow rate |
07/16/1997 | CN1035428C nitrogen deoxygen purifying method |
07/15/1997 | US5647972 Low pressure chilling train for olefin plants |
07/15/1997 | US5647961 Refrigerant decontamination and separation system |
07/15/1997 | US5647227 Membrane-augmented cryogenic methane/nitrogen separation |
07/09/1997 | CN1153896A Air separation |
07/09/1997 | CN1153895A Method and apparatus for extracting oxygen and nitrogen under condition of super atmospheric pressure |
07/08/1997 | US5644934 Cooling compressed air, ractifying to form liquid oxygen and gaseous nitrogen, vaporizing liquid product fraction, condensing, separating crude argon vapors and oxygen rich liquid, liquefying crude argon |
07/08/1997 | US5644933 Rectification by heat exchanging |
07/08/1997 | US5644932 Use of structured packing in a multi-sectioned air seperation unit |
07/08/1997 | US5644931 Feeding, heat exchanging, extracting, compressing, separating and cooling; low power consumption by compressor for refrigerant; gas-liquid separation |
07/01/1997 | US5642630 Process for solids waste landfill gas treatment and separation of methane and carbon dioxide |
07/01/1997 | CA2127523C Cryogenic liquid nitrogen production system |
06/25/1997 | EP0780649A1 A method and installation for the removal of nitrogen from natural gas |
06/25/1997 | EP0780648A2 Nitrogen generation method and apparatus |
06/25/1997 | EP0780647A2 Cryogenic rectification system with nitrogen turboexpander heat pump |
06/25/1997 | EP0780646A2 Heat exchanger and double distillation column |
06/25/1997 | CN1152702A Method and apparatus for preparing high-purity nitrogen |
06/25/1997 | CN1152547A Method for preparing high-pureness carbon dioxide |
06/19/1997 | CA2187494A1 Nitrogen generation method and apparatus |
06/18/1997 | CN1152350A High efficiency nitrogen generator |
06/18/1997 | CN1152108A Air separation method and apparatus for producing nitrogen |
06/17/1997 | US5638699 Rectification column; heat exchanger; expansion valve for adiabatic expansion; low temperature air pipe; inverted u-shaped nitrogen gas delivery pipe |
06/17/1997 | US5638698 Cryogenic system for producing nitrogen |
06/11/1997 | EP0778354A1 Process for supplying controlled atmosphere gases into a heat treatment furnace and heat treatment plant |
06/04/1997 | EP0776685A1 Process for introducing a multicomponent liquid feed stream into a distillation column operating at lower pressure |
06/04/1997 | EP0666772B1 Device for adsorption separation of elements in a gaseous mixture |
06/04/1997 | CN1151011A Production of ultra-high purity oxygen from cryogenic air separation plants |
06/04/1997 | CN1150917A Integrated air separation process |
06/03/1997 | US5635541 Natural gas oxidized to produce synthesis gas which is reacted to produce hydrocarbons; steam produced generates work |
06/03/1997 | US5634356 Process for introducing a multicomponent liquid feed stream at pressure P2 into a distillation column operating at lower pressure P1 |
06/03/1997 | US5634354 Condensation of ethylene; removal of hydrogen from noncondensed gas by polymeric membrane permeation, adsorptive membrane permeation or pressure swing adsorption |
05/29/1997 | CA2191186A1 Process for introducing a multicomponent liquid feed stream at pressure p2 into a distillation column operating at lower pressure p1 |
05/28/1997 | EP0775881A2 Process and apparatus for recovering oxygen and nitrogen at superatmospheric pressure |
05/28/1997 | EP0775880A2 Double column process and apparatus for cryogenic air separation |
05/28/1997 | EP0588690B1 Cryogenic treatment installation, particularly for the distillation of air |
05/27/1997 | US5632934 Packing with improved capacity for rectification systems |
05/27/1997 | US5632807 Device for the separation of elements of a gas mixture by adsorption |
05/27/1997 | US5632162 Carbon monoxide production plant incorporating a cryogenic separation unit |
05/26/1997 | CA2191161A1 Method and device for obtaining oxygen and nitrogen at superatmospheric pressure |
05/21/1997 | EP0774634A2 Gas manufacture |
05/21/1997 | CN1150056A Process and device for preparation of flow which is ubstantially purified with respect to at least one of impurities oxygen and carbon monoxide |
05/20/1997 | US5630475 Device for pressurizing a plate bundle, especially for a plate heat exchanger |
05/20/1997 | US5630328 Refrigeration unit for chilling compressed natural gas before and during dispensing to vehicle fuel tanks |
05/14/1997 | EP0773417A2 Air separation method and apparatus for producing nitrogen |
05/14/1997 | EP0773416A2 Operation of integrated gasification combined cycle power generation systems at part load |
05/14/1997 | EP0772665A1 Method of enriching the methane content of a mine gas |