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)
02/1984
02/07/1984US4430102 Fractional distillation of C2 /C3 hydrocarbons at optimum pressures
02/07/1984CA1161745A1 Low power, freon refrigeration assisted air separation
01/1984
01/31/1984US4428759 Energy savings
01/24/1984CA1160947A1 Wash system for gas separation
12/1983
12/21/1983EP0096610A1 Air separation process for the production of krypton and xenon
12/20/1983US4421536 Efficient, nonexplosive
12/20/1983CA1158838A1 Distillative separation of carbon dioxide from hydrogen sulfide
12/08/1983WO1983004249A1 Method for the preparation of olefins with lower molecular weigth
12/07/1983EP0095739A2 Nitrogen rejection from natural gas with CO2 and variable N2 content
12/06/1983US4419114 System and method for converting wellhead gas to liquefied petroleum gases (LPG)
11/1983
11/29/1983US4417909 Removing xenon and krypton from argon and nitrogen
11/29/1983US4417449 Process for separating carbon dioxide and acid gases from a carbonaceous off-gas
11/16/1983EP0094062A2 Nitrogen rejection from natural gas
11/15/1983US4415345 Process to separate nitrogen from natural gas
11/15/1983CA1156924A1 Process for the production of high pressure oxygen gas
11/09/1983EP0093448A2 Process and apparatus for obtaining gaseous oxygen at elevated pressure
11/08/1983US4414191 Process for the production of ammonia
11/02/1983EP0092770A2 Process for obtaining carbon monoxide
11/01/1983CA1156137A1 Distillative separation of acid gases from light hydrocarbons
10/1983
10/25/1983US4411677 Cooling, high pressure distillation, condensation by heat exchanging with closed loop refrigerant
10/25/1983US4411676 Using different towers
10/25/1983CA1155793A1 Process for the production of liquid chlorine
10/19/1983EP0091830A2 Separation of gas mixtures by partial condensation
10/18/1983US4410343 Air boiling process to produce low purity oxygen
10/18/1983US4410342 Method and apparatus for separating a liquid product from a hydrocarbon-containing gas
10/05/1983EP0090469A2 Process to separate nitrogen from natural gas
10/04/1983US4407135 Air separation process with turbine exhaust desuperheat
09/1983
09/28/1983EP0089375A1 Distillative separation of methane and carbon dioxide.
08/1983
08/30/1983US4401448 Air separation process for the production of krypton and xenon
08/30/1983CA1152727A1 Process for the production of ammonia and the corresponding synthesis gas
08/23/1983US4400188 Nitrogen generator cycle
08/23/1983US4399659 Vaporization of small amounts of liquefied gases
08/09/1983US4397156 Displacer for low-temperature refrigerating machines
06/1983
06/22/1983EP0081849A2 Separation process and device for synthesis off-gas
06/15/1983EP0081473A2 Improved air separation process with turbine exhaust desuperheat
06/15/1983EP0081472A2 Process and apparatus to recover argon from oxygen-only air separation plant
06/15/1983EP0081178A2 Air separation process with single distillation column for combined gas turbine system
06/14/1983US4388092 Utilizing cold potential of liquid natural gas
05/1983
05/24/1983US4384876 Process for producing krypton and Xenon
05/24/1983CA1146724A1 Process and installation for the cryogenic separation of air and production of high pressure oxygen
05/17/1983US4383842 Distillative separation of methane and carbon dioxide
05/17/1983US4383841 Distillative separation of carbon dioxide from hydrogen sulfide
05/10/1983US4382366 Air separation process with single distillation column for combined gas turbine system
05/04/1983EP0078063A2 A process for the separation of essentially pure nitrogen
05/03/1983US4381814 Control of heat transfer from heat exchangers in parallel
04/1983
04/26/1983US4380907 Method of boiling liquefied gas
04/19/1983US4380461 Recovery of hydrogen from ammonia synthesis purge gas
04/19/1983US4380457 Separation of air
04/14/1983WO1983001294A1 Distillative separation of methane and carbon dioxide
04/05/1983CA1144058A1 Production of oxygen by air separation
04/05/1983CA1144057A1 Production of nitrogen by air separation
03/1983
03/15/1983CA1142913A1 Method for eliminating deposits in the heat- exchangers of low temperature installations
03/01/1983US4375367 Lower power, freon refrigeration assisted air separation
03/01/1983CA1142078A1 Air liquefaction and separation process and equipment
02/1983
02/15/1983US4373942 Cooling, then separation
02/08/1983US4372765 Air liquefaction and separation process and equipment
02/08/1983US4372764 Adsorption of carbon dioxide and water vapor with molecular sieve
02/08/1983CA1140758A1 Method and apparatus for manufacturing ammonia synthesis gas from a stream of hydrogen rich gas and a stream of nitrogen
02/08/1983CA1140729A1 Method and apparatus for obtaining nitrogen and carbon dioxide simultaneously
02/01/1983US4371381 Gas purification process
01/1983
01/25/1983US4370156 Cryogenics
01/11/1983US4368061 Separation from other 2-carbon hydrocarbons
01/05/1983EP0068587A1 Process to remove nitrogen from natural gas
01/04/1983US4367082 Air separating system
11/1982
11/23/1982US4359871 Method of and apparatus for the cooling of natural gas
11/09/1982CA1135287A1 Method of and apparatus for the separation of natural gas
11/02/1982US4357153 Internally heat pumped single pressure distillative separations
10/1982
10/27/1982EP0063318A1 Low power, freon refrigeration assisted air separation
10/26/1982US4356014 Cryogenic recovery of liquids from refinery off-gases
10/26/1982US4356013 Split pressure feed for the selective production of pure oxygen from air
10/20/1982EP0019508B1 Thermal-exchange assembly of the plate heat exchanger type
10/12/1982US4353871 Hydrogen isotope separation
10/05/1982US4352685 Process for removing nitrogen from natural gas
09/1982
09/28/1982US4351655 Forming azeotrope mixture in one distillation column then transfering to another column with different pressure
09/28/1982US4351654 Backflow flushing with warm gas
09/21/1982US4350511 Distillative separation of carbon dioxide from light hydrocarbons
09/08/1982EP0059305A1 Method and apparatus for manufacturing ammonia synthesis gas from a stream of gas rich in hydrogen and a stream of nitrogen
08/1982
08/24/1982US4345925 Process for the production of high pressure oxygen gas
08/18/1982EP0058106A2 Process and installation for the liquefaction of a gas
08/17/1982US4344486 Method for enhanced oil recovery
08/17/1982CA1129764A1 Recovery of c.sub.2 hydrocarbons from demethanizer overhead
08/10/1982US4343633 High pressure purification of hydrogen
08/10/1982CA1129330A1 Method and cryogenic plant for producing gaseous oxygen
07/1982
07/20/1982CA1127961A1 Interrelated rectification of gaseous mixtures
07/06/1982US4338108 From mixture with hydrogen, nitrogen and methane
07/06/1982US4338107 Wash system gas separation
06/1982
06/29/1982US4337072 Method and apparatus for manufacturing ammonia synthesis gas from a stream of gas rich in hydrogen and a stream of nitrogen
06/29/1982US4337071 Air purification system using cryogenic techniques
06/29/1982US4337070 Passing sump liquid withdrawn from lower zone into heat exchanger disposed in sump and having sealed bottom end
06/22/1982US4336045 Acetylene removal in ethylene and hydrogen separation and recovery process
06/22/1982US4336044 Process for separating coal synthesized methane from unreacted intermediate and contaminant gases
06/22/1982CA1126152A1 Cryogenic expander recovery process
06/22/1982CA1126032A1 Separation of gas mixtures
06/01/1982US4332598 Process for treating industrial gas stream
05/1982
05/26/1982EP0052482A1 Process for treating industrial gas stream
05/25/1982US4331461 Cryogenic separation of lean and rich gas streams
05/25/1982CA1124169A1 Cryogenic distillative separation of acid gases from methane
05/18/1982US4330374 Recovery of anhydrous hydrogen iodide
05/18/1982US4330308 Plate-type heat exchangers
05/11/1982CA1123334A1 Cryogenic process for separating synthesis gas
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