Patents for F25J 3 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification (11,467)
03/1985
03/05/1985US4502877 Combination counterflow heat exchanger and fractionating tower
02/1985
02/26/1985US4501600 Process to separate nitrogen from natural gas
02/26/1985CA1183077A1 Corrosion protected reversing heat exchanger
02/14/1985WO1985000595A1 Process to separate nitrogen from natural gas
02/13/1985EP0132984A1 Process to separate nitrogen from natural gas
02/12/1985US4498916 Calibration of desired heat input
02/12/1985US4498303 Carbon dioxide liquification system
02/05/1985CA1182038A1 Gas separation process
01/1985
01/29/1985US4496383 Production of nitrogen from air
01/29/1985US4496382 Process using serpentine heat exchange relationship for condensing substantially single component gas streams
01/29/1985US4496381 Fractignal condenstion of cracked gases
01/29/1985US4496380 Cryogenic gas plant
01/16/1985EP0131128A1 Nitrogen rejection from natural gas integrated with NGL recovery
01/09/1985EP0130319A2 Process and apparatus for the purification of ethylene oxide or of a mixture of ethylene oxide and a fluorinated chlorohydrocarbon
01/09/1985EP0130284A2 Process for producing pure carbon monoxide
01/08/1985US4492591 Cooling then scrubbing feed to absorb acetylene
01/02/1985EP0130122A1 Device for evaporating a liquid by heat exchange with a second fluid and air distillation unit comprising such a device
12/1984
12/20/1984WO1984004957A1 Cryogenic triple-pressure air separation with lp-to-mp latent-heat-exchange
12/18/1984US4488890 Scrubbing with carbon monoxide
12/18/1984US4488398 Power plant integrated with coal gasification
12/04/1984US4486210 Method and apparatus for gas liquefaction
12/04/1984US4486209 Recovering condensables from a hydrocarbon gaseous stream
11/1984
11/28/1984EP0126309A1 Process for recovering C4-hydrocarbons using a dephlegmator
11/06/1984CA1177381A1 Cryogenic process for removing acidic gases from gas mixtures
10/1984
10/30/1984US4479871 Process to separate natural gas liquids from nitrogen-containing natural gas
10/23/1984US4478621 Process for the extraction of carbon monoxide from gas streams
10/23/1984CA1176555A1 Process and installation for the production of ammonium synthesis gas
10/17/1984EP0122166A1 Process and device for the production of high purity gas by the vaporisation of a cryogenic liquid
10/16/1984US4477265 From a oxegen and nitroge gas stream
10/16/1984US4476695 Refrigerator condensation apparatus
10/11/1984WO1984003934A1 Cryogenic recycle distillation with multiple latent heat-exchange
10/09/1984US4475347 Process for separating carbon dioxide and sulfur-containing gases from a synthetic fuel production process off-gas
10/02/1984US4474591 Processing produced fluids of high pressure gas condensate reservoirs
10/02/1984CA1175339A1 Distillative separation of methane and carbon dioxide
09/1984
09/26/1984EP0119611A2 Process for cooling and condensing a substantially single component gas stream, cryogenic nitrogen rejection process and nitrogen rejection unit
09/26/1984EP0119610A2 Process for cooling a multicomponent gas stream, cryogenic nitrogen rejection process and nitrogen rejection unit
09/25/1984US4473385 Lower pressure fractionation of waste gas from ammonia synthesis
09/25/1984US4473110 Corrosion protected reversing heat exchanger
09/19/1984EP0119001A2 Improved cryogenic production of ammonia synthesis gas
09/19/1984EP0020645B1 Heat and liquid recovery using open cycle heat pump system
09/18/1984CA1174587A1 Nitrogen generator cycle
09/13/1984WO1984003554A1 Apparatus for producing high-purity nitrogen gas
09/11/1984CA1174159A1 Separation of gas mixtures by partial condensation
09/11/1984CA1174034A1 Process and apparatus for the production of ammonia
09/04/1984CA1173737A1 Air separation process with turbine exhaust desuperheat
08/1984
08/29/1984EP0117052A1 Distillative separation employing bottom additives
08/28/1984CA1173349A1 Air boiling process to produce low purity oxygen
08/22/1984EP0058106B1 Process and installation for the liquefaction of a gas
08/16/1984WO1984003140A1 Apparatus and method for recovering light hydrocarbons from hydrogen containing gases
08/15/1984EP0115752A1 Improved process and apparatus for the production of ammonia
08/07/1984US4464191 Cryogenic gas separation with liquid exchanging columns
08/07/1984US4464190 Hydrocarbon gas process
08/07/1984US4464189 Fractional distillation of C2 /C3 Hydrocarbons at optimum pressures
08/07/1984US4464188 Cryogenic distillation
08/07/1984CA1172158A1 Air separation process with single distillation column for combined gas turbine system
08/07/1984CA1172157A1 Process and apparatus to recover argon from oxygen- only air separation plant
07/1984
07/31/1984US4462814 Distillative separations of gas mixtures containing methane, carbon dioxide and other components
07/31/1984US4462813 System and method for converting wellhead gas to liquefied petroleum gases (LPG)
07/24/1984US4461634 Counter-current heat exchanging
07/19/1984WO1984002767A1 Distillative separation employing bottom additives
07/18/1984EP0113530A2 Process and plant for removing methane and argon from crude ammonia synthesis gas
07/17/1984US4460396 Method for producing purified ethylene through thermo-coupled distillation and ethylene-producing apparatus using the said method
07/17/1984US4460395 Method and apparatus for producing food grade carbon dioxide
07/17/1984CA1170973A1 Acetylene removal in ethylene and hydrogen separation and recovery process
07/10/1984US4459143 Temperature control method for reversing type heat exchanger group of air separation system
07/10/1984US4459142 Cryogenic distillative removal of CO2 from high CO2 content hydrocarbon containing streams
07/10/1984US4458494 Preventing vaporization of the liquid in a centrifugal gas-liquid separator
06/1984
06/26/1984US4456461 Separation of low boiling constituents from a mixed gas
06/26/1984US4456460 Multistage cooling, condensation, and distillation
06/26/1984CA1169760A1 Enhanced oil recovery
06/20/1984EP0110924A1 Method for the preparation of olefins with lower molecular weight
06/19/1984US4455158 Nitrogen rejection process incorporating a serpentine heat exchanger
06/13/1984EP0110016A2 Process for withdrawing a vaporous bottom product from a low-temperature rectification column at less than 1 mole per hour
06/12/1984US4453958 Greater design capacity-hydrocarbon gas separation process
06/12/1984US4453957 Double column multiple condenser-reboiler high pressure nitrogen process
06/12/1984US4453956 Recovering condensables from natural gas
05/1984
05/29/1984US4451275 Nitrogen rejection from natural gas with CO2 and variable N2 content
05/29/1984US4451274 Distillative separation of methane and carbon dioxide
05/22/1984US4449994 Low energy process for separating carbon dioxide and acid gases from a carbonaceous off-gas
05/15/1984US4448595 Split column multiple condenser-reboiler air separation process
05/02/1984EP0107418A2 Plant for producing gaseous nitrogen
05/01/1984US4445916 Process for liquefying methane
04/1984
04/24/1984US4444577 Cryogenic gas processing
04/24/1984CA1166145A1 Process to remove nitrogen from natural gas
04/17/1984US4443238 Recovery of hydrogen and other components from refinery gas streams by partial condensation using preliminary reflux condensation
04/17/1984CA1165781A1 Chlorocarbon recovery apparatus
04/10/1984US4441900 Method of treating carbon-dioxide-containing natural gas
03/1984
03/27/1984US4439220 Dual column high pressure nitrogen process
03/27/1984CA1164334A1 Method of producing gaseous oxygen and a cryogenic plant in which said method can be performed
03/13/1984US4436540 Low pressure separation for light hydrocarbon recovery
03/13/1984US4436146 For use in a vertical position
03/07/1984EP0102190A2 Plant for producing gaseous oxygen
03/07/1984EP0102087A2 Process for liquefying methane
03/06/1984US4435198 Separation of nitrogen from natural gas
02/1984
02/28/1984US4433990 Process to recover argon from oxygen-only air separation plant
02/28/1984US4433989 Refluxing, multistage
02/28/1984CA1162718A1 Process for treating industrial gas stream
02/22/1984EP0100923A1 Process and apparatus for separating a gas mixture
02/15/1984EP0100531A2 A process for the regeneration of particulate matter with oxygen and carbon dioxide
02/07/1984US4430103 Multistage cooling and separation