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)
12/1993
12/08/1993EP0573176A2 Inter-column heat integration for multi-column distillation system
12/08/1993EP0573074A2 Improved liquefier process
12/08/1993EP0572962A1 Auxiliary column cryogenic rectification system and apparatus
12/08/1993EP0572778A2 Process for the recovery of ammonia and organic compounds from flue gases containing organic compounds, carbon dioxide and ammonia
12/08/1993EP0572634A1 Combined adjustable-flow rate nitrogen and oxygen production method.
12/08/1993EP0572590A1 Method of denitrogenating a charge of a liquified hydrocarbon mixture consisting mainly of methane and containing at least 2 % mol nitrogen.
12/07/1993US5268019 Separation of compressed air stream; compression, combustion of gaseous fuel; expansion
12/07/1993US5267444 Process for the cryogenic separation of oxygen containing mixtures, organized lining therefore and air distillation column including such lining
12/02/1993CA2097207A1 Auxiliary column cryogenic rectification system
11/1993
11/30/1993US5265429 Cryogenic air separation system for producing gaseous oxygen
11/30/1993US5265428 Bubble cap tray for melting solids and method for using same
11/30/1993US5265427 Refrigerant recovery scheme
11/30/1993US5265424 Advanced furnace boiler system in electric power plant
11/24/1993CN1078801A Streaming heat exchanger and apparatus for air distillation comprising such an exchanger
11/24/1993CN1078798A Cryogenic air separation using random packing
11/23/1993US5263328 Process for low-temperature air fractionation
11/23/1993US5263327 High recovery cryogenic rectification system
11/20/1993CA2096064A1 Inter-column heat integration for multi-column distillation system
11/10/1993EP0569310A1 Installation for air liquefaction separation and process therefor
11/09/1993CA2003197C Hydrocarbon gas processing
11/03/1993EP0568431A1 Gas turbine working in combination with air separation plant
11/02/1993US5257505 Heat exchangers, Joule-Thomson effect
11/02/1993US5257504 Multiple reboiler, double column, elevated pressure air separation cycles and their integration with gas turbines
10/1993
10/28/1993WO1993021488A1 Ultra-high purity nitrogen and oxygen generator
10/28/1993CA2111206A1 Ultra-high purity nitrogen and oxygen generator
10/27/1993EP0567360A1 Process and installation for the transfer of a liquid
10/27/1993EP0567098A1 Cryogenic rectification system with dual heat pump
10/27/1993EP0567047A1 Triple column cryogenic rectification system
10/26/1993US5257206 Statistical process control for air separation process
10/26/1993US5255524 Dual heat pump cycles for increased argon recovery
10/26/1993US5255522 Vaporization of liquid oxygen for increased argon recovery
10/23/1993CA2093875A1 Air separation
10/23/1993CA2093874A1 Air separation
10/23/1993CA2093873A1 Air separation
10/20/1993EP0566435A1 Trickle heat-exchanger and an air destillation comprising such a heat-exchanger
10/20/1993EP0566126A1 Cryogenic rectification system with helical dry screw expander
10/19/1993US5253479 Fractionation condensation
10/18/1993CA2094087A1 Heat exchanger with flowing action and air distillation facilities with such exchanger
10/17/1993CA2094054A1 Cryogenic rectification system with helical dry screw expander
10/12/1993US5251857 Suspendable conduit bracket system
10/12/1993US5251451 Multiple reboiler, double column, air boosted, elevated pressure air separation cycle and its integration with gas turbines
10/12/1993US5251450 Efficient single column air separation cycle and its integration with gas turbines
10/12/1993US5251449 Process and apparatus for air fractionation by rectification
10/06/1993EP0563900A1 Cryogenic air separation using random packing
10/06/1993EP0563800A1 High recovery cryogenic rectification system
10/06/1993EP0563702A2 Process for recovering high-purity hydrogen and high-purity carbon monoxide
10/01/1993CA2092933A1 Cryogenic air separation using random packing
10/01/1993CA2088413A1 Process for obtaining high-purity hydrogen and high-purity carbon monoxide
09/1993
09/30/1993WO1993019336A1 Process for the low-temperature air separation and air separation plant
09/30/1993WO1993019335A1 Air separation plant and process for the low-temperature air separation
09/30/1993CA2132524A1 Process for the low-temperature air separation and air separation plant
09/29/1993EP0562893A1 Process and apparatus for the production of high pressure nitrogen and oxygen
09/29/1993CN1076775A Process and installation for the transfer of liquid
09/23/1993DE4224068A1 Verfahren zur tieftemperaturzerlegung von luft und luftzerlegungsanlage Process for the cryogenic separation of air and air separation plant
09/23/1993DE4209132A1 Luftzerlegungsanlage und verfahren zur tieftemperaturzerlegung von luft Air separation plant and process for cryogenic separation of air
09/22/1993EP0561109A1 Cryogenic rectification system for producing nitrogen and ultra high purity oxygen
09/22/1993CN1022199C Heat exchanger for condensing vapor containing non-condensable gases
09/21/1993US5245832 Material flow is unidirectional from higher to lower pressure
09/21/1993US5245831 Cryogenic air separation; transferring refrigeration from bottom of low pressure column to top of crude argon column
09/17/1993EP0572634A4 Combined adjustable-flow rate nitrogen and oxygen production method.
09/17/1993EP0572590A4 Method of denitrogenating a charge of a liquified hydrocarbon mixture consisting mainly of methane and containing at least 2 % mol nitrogen.
09/15/1993CN1076140A Packing section for a heat and material exchange column and distillation column comprising such a section
09/15/1993CN1076134A Cryogenic rectification system with argon heat pump
09/14/1993US5244489 Compression, separation
09/14/1993CA2021444C Process and apparatus for producing nitrogen from air
09/08/1993EP0559117A1 Process and apparatus for separating a gas mixture
09/02/1993WO1993017081A1 Absorption process for ethylene and hydrogen recovery
09/02/1993CA2130567A1 Absorption process for ethylene and hydrogen recovery
09/01/1993EP0558082A1 Cryogenic rectification system with argon heat pump
09/01/1993EP0557935A1 Cryogenic rectification system for producing high pressure nitrogen product
09/01/1993EP0557396A1 Sequence for separating propylene from cracked gases.
09/01/1993CN1075796A Cryogenic air separation system for producing gaseous oxygen
09/01/1993CN1075707A Absorption process for ethylene and hydrogen recovery
08/1993
08/28/1993CA2090503A1 Cryogenic rectification system with argon heat pump
08/25/1993EP0556861A1 Cryogenic air separation system for producing gaseous oxygen
08/25/1993EP0556691A1 Process for gazifying carbon containing residues from mineral oils processing
08/25/1993EP0556516A2 Multiple reboiler, double column, elevated pressure air separation cycles and their integration with gas turbines
08/25/1993EP0556503A1 Vaporization of liquid oxygen for increased argon recovery
08/25/1993CA2090714A1 Cryogenic rectification system for producing high pressure nitrogen product
08/24/1993US5238670 Process for preparing ultra-pure nitrogen
08/24/1993US5237823 Cryogenic air separation using random packing
08/24/1993US5237822 Liquid oxygen stream withdrawal from a rectification column, pressurization, vaporization to form high pressure gaseous oxygen
08/19/1993WO1993016338A1 A process for extracting vapor from a gas stream
08/19/1993DE4204172A1 Process to treat flow of warm fluid e.g. in distillation - reduces cost by lowering complexity of control and instrumentation equipment
08/19/1993CA2129003A1 A process for extracting vapor from a gas stream
08/17/1993US5235816 Recovering oxygen from a mixture of oxgyen, nitrogen and argon
08/17/1993US5235815 Freezing, centrifugin, liquefying, withdrawing, volatilizing
08/14/1993CA2089140A1 Dual heat pump cycles for increased argon recovery
08/14/1993CA2089052A1 Single heat pump cycle for increased argon recovery
08/10/1993US5233839 Circulating the refrigerating fluid in first ducts from cold to hot end while calorigenic fluide in second ducts from hot to cold
08/10/1993US5233838 Using both higher and lower pressure columns to separate air into nitrogen vapor and liquid oxygen, efficiency
08/10/1993US5233837 Liquefaction by using expanded nitrogen-rich gaseous stream to heat exchanging
08/05/1993DE4202468A1 Process to collect xenon from air in rectification column - includes constant addition of liquid coolant and addition of fluid coolant to lower operating costs
08/04/1993EP0553631A2 An integrated process for making methanol and ammonia
08/04/1993EP0441783B1 Rectifier liquid generated intermediate reflux for subambient cascades
08/04/1993EP0395704B1 Air fractionation improvements for nitrogen production
08/04/1993CN1075003A Improved cryogenic distillation process for the production of oxygen and nitrogen
08/03/1993US5231837 Cryogenic distillation process for the production of oxygen and nitrogen
08/03/1993US5231835 Using high pressure heat exchangers
07/1993
07/28/1993EP0552747A1 Cryogenic rectification method and apparartus for producing elevated pressure product
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