Internal refrigeration with liquid vaporising loop

Industry

CPC
F25J2270/02

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE F25J2270/00Refrigeration techniques used

Current Industry

F25J2270/02Internal refrigeration with liquid vaporising loop

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Fuel gas conditioning units for natural gas systems
- Patent number 12,228,337
- Issue date Feb 18, 2025
- EOG RESOURCES, INC.
- Roy Curtis Larson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Systems and methods for production and separation of hydrogen and c...
- Patent number 12,054,388
- Issue date Aug 6, 2024
- 8 Rivers Capital, LLC
- Mohammad Rafati
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Heavy hydrocarbon removal system for lean natural gas liquefaction
- Patent number 11,668,522
- Issue date Jun 6, 2023
- Air Products and Chemicals, Inc.
- Fei Chen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Compressing system, and gas compressing method
- Patent number 11,656,026
- Issue date May 23, 2023
- Mitsubishi Heavy Industries Compressor Corporation
- Naoto Yonemura
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gas separation system with auto-refrigeration and selective recycle...
- Patent number 11,635,253
- Issue date Apr 25, 2023
- Her Majesty the Queen in right of Canada as represented by the Minister of Na...
- Kourosh Zanganeh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Cryogenic liquefier by integration with power plant
- Patent number 11,566,841
- Issue date Jan 31, 2023
- L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
- Michael A Turney
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hydrocarbon gas processing
- Patent number 11,543,180
- Issue date Jan 3, 2023
- UOP LLC
- Kyle T. Cuellar
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hydrocarbon gas processing
- Patent number 11,448,461
- Issue date Sep 20, 2022
- UOP LLC
- Thai Pham
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hydrocarbon gas processing
- Patent number 11,428,465
- Issue date Aug 30, 2022
- UOP LLC
- Michael C. Pierce
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method for separating CO2 at low temperature comprisi...
- Patent number 11,344,842
- Issue date May 31, 2022
- L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
- Ludovic Granados
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Phase implementation of natural gas liquid recovery plants
- Patent number 11,112,175
- Issue date Sep 7, 2021
- Fluor Technologies Corporation
- John Mak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Carbon dioxide removal from anode exhaust of a fuel cell by cooling...
- Patent number 11,094,952
- Issue date Aug 17, 2021
- FuelCell Energy, Inc.
- Fred C. Jahnke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for production and separation of hydrogen and c...
- Patent number 11,066,298
- Issue date Jul 20, 2021
- 8 Rivers Capital, LLC
- Mohammad Rafati
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Booster system
- Patent number 11,022,369
- Issue date Jun 1, 2021
- Mitsubishi Heavy Industries Compressor Corporation
- Hideki Nagao
- G05 - CONTROLLING REGULATING
Information Patent Grant
System and method for rare gas recovery
- Patent number 10,995,982
- Issue date May 4, 2021
- Praxair Technology, Inc.
- Henry E. Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for producing a mixture of carbon monoxide and...
- Patent number 10,899,614
- Issue date Jan 26, 2021
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Angela Fernandez
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Distillation column system and plant for production of oxygen by cr...
- Patent number 10,845,118
- Issue date Nov 24, 2020
- Linde Aktiengesellschaft
- Dimitri Golubev
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method for high recovery of nitrogen and argon from a mo...
- Patent number 10,816,263
- Issue date Oct 27, 2020
- Praxair Technology, Inc.
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process for increasing ethylene and propylene yield from a propylen...
- Patent number 10,808,999
- Issue date Oct 20, 2020
- Dow Global Technologies LLC
- Isa K. Mbaraka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for fractionating a stream of cracked gas to obtain an ethyl...
- Patent number 10,767,924
- Issue date Sep 8, 2020
- Technip France
- Jean-Paul Laugier
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device and method for purifying a gas mixture
- Patent number 10,767,923
- Issue date Sep 8, 2020
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Pierre Barjhoux
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System for reclaiming liquefied petroleum gas
- Patent number 10,760,007
- Issue date Sep 1, 2020
- Worthington Industries, Inc.
- Michael Joseph Goessl
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Auto-refrigerated gas separation system for carbon dioxide capture...
- Patent number 10,753,679
- Issue date Aug 25, 2020
- Her Majesty the Queen in right of Canada as represented by the Minister of Na...
- Kourosh Zanganeh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and system for separating carbon dioxide from flue gas
- Patent number 10,753,680
- Issue date Aug 25, 2020
- General Electric Technology GmbH
- Andrea Caruso
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Compression method and apparatus for an apparatus for capturing CO2...
- Patent number 10,746,463
- Issue date Aug 18, 2020
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Mathieu Leclerc
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods for flexible propane recovery
- Patent number 10,704,831
- Issue date Jul 7, 2020
- Fluor Technologies Corporation
- John Mak
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
System and method for reducing nitrogen content of GSP/expander pro...
- Patent number 10,708,741
- Issue date Jul 7, 2020
- Butts Properties, Ltd.
- Rayburn C. Butts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for separating a hydrocarbon mixture containing hydrogen, se...
- Patent number 10,677,525
- Issue date Jun 9, 2020
- Linde Aktiengesellschaft
- Helmut Fritz
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Purification of carbon dioxide
- Patent number 10,655,912
- Issue date May 19, 2020
- Air Products and Chemicals, Inc.
- Paul Higginbotham
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method to produce liquefied natural gas (LNG) at midstream natural...
- Patent number 10,634,426
- Issue date Apr 28, 2020
- 1304338 Alberta Ltd.
- Jose Lourenco
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION
- Publication number 20240393039
- Publication date Nov 28, 2024
- NuBlu Innovations, LLC
- Robert Meredith Harman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
DUAL TEMPERATURE LIQUID OXYGEN SUBCOOLING IN AN AIR SEPARATION UNIT
- Publication number 20240353174
- Publication date Oct 24, 2024
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Michael A. Turney
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND C...
- Publication number 20240351874
- Publication date Oct 24, 2024
- 8 RIVERS CAPITAL, LLC
- Mohammad Rafati
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD AND PLANT FOR LOW TEMPERATURE FRACTIONATION OF AIR
- Publication number 20240183610
- Publication date Jun 6, 2024
- Linde GmbH
- Dimitri GOLUBEV
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD AND APPARATUS FOR RECOVERING CARBON DIOXIDE FROM A COMBUSTIO...
- Publication number 20240019208
- Publication date Jan 18, 2024
- LGE IP MANAGEMENT COMPANY LIMITED
- Nikola Felbab
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD FOR PRODUCING LIQUEFIED NATURAL GAS FROM NATURAL GAS, AND CO...
- Publication number 20230408187
- Publication date Dec 21, 2023
- TECHNIP FRANCE
- Sylvain Vovard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS AND APPARATUS FOR CRYOGENIC SEPARATION OF AIR WITH MIXED GA...
- Publication number 20230358468
- Publication date Nov 9, 2023
- Linde GmbH
- Dimitri GOLUBEV
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD FOR SUPPLEMENTING CONDENSER HEAT REJECTION IN NATURAL GAS PR...
- Publication number 20230175772
- Publication date Jun 8, 2023
- GTUIT, LLC
- Mark Peterson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS AND PLANT FOR LOW-TEMPERATURE SEPARATION OF AIR
- Publication number 20230038170
- Publication date Feb 9, 2023
- Linde GmbH
- Dimitri GOLUBEV
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS AND PLANT FOR PROVISION OF OXYGEN PRODUCT
- Publication number 20230043513
- Publication date Feb 9, 2023
- Linde GmbH
- Wolfgang HAAG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SIDE DRAW REFLUX HEAVY HYDROCARBON REMOVAL SYSTEM AND METHOD
- Publication number 20220364789
- Publication date Nov 17, 2022
- Chart Energy & Chemicals, Inc.
- Douglas A. Ducote
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHODS AND COMPOSITIONS FOR DELIVERY OF CARBON DIOXIDE
- Publication number 20220065527
- Publication date Mar 3, 2022
- CarbonCure Technologies Inc.
- Dean Paul FORGERON
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS
- Publication number 20210381760
- Publication date Dec 9, 2021
- Fluor Technologies Corporation
- John Mak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND C...
- Publication number 20210323818
- Publication date Oct 21, 2021
- 8 RIVERS CAPITAL, LLC
- Mohammad Rafati
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR GENERATING REFRIGERATION FOR A CARBON MONOXIDE COLD BOX
- Publication number 20210172678
- Publication date Jun 10, 2021
- Andrew M. Warta
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HYDROCARBON GAS PROCESSING
- Publication number 20210131729
- Publication date May 6, 2021
- UOP LLC
- Thai Pham
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
GAS SEPARATION SYSTEM WITH AUTO-REFRIGERATION AND SELECTIVE RECYCLE...
- Publication number 20200378680
- Publication date Dec 3, 2020
- Kourosh Zanganeh
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
CO2 Removal or Capture from CO2-rich Gas Mixtures
- Publication number 20200318897
- Publication date Oct 8, 2020
- Jianguo XU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPRESSING SYSTEM, AND GAS COMPRESSING METHOD
- Publication number 20200248961
- Publication date Aug 6, 2020
- MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
- Naoto YONEMURA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Process and plant for separatory processing of a starting mixture
- Publication number 20200224968
- Publication date Jul 16, 2020
- Linde Aktiengesellschaft
- Tuat PHAM DUC
- C01 - INORGANIC CHEMISTRY
Information Patent Application
NITROGEN RECOVERY APPARATUS AND METHOD OF RECOVERING NITROGEN
- Publication number 20200103166
- Publication date Apr 2, 2020
- Linde Aktiengesellschaft
- Heinz BAUER
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS FOR THE PRODUCTION OF DILUTE ETHYLENE
- Publication number 20190346202
- Publication date Nov 14, 2019
- Lummus Technology LLC
- Kevin John Schwint
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYSTEM AND METHOD FOR HIGH RECOVERY OF NITROGEN AND ARGON FROM A MO...
- Publication number 20190331418
- Publication date Oct 31, 2019
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Hydrocarbon Gas Processing
- Publication number 20190170435
- Publication date Jun 6, 2019
- Ortloff Engineers, Ltd.
- J. Ascencion Anguiano
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
APPARATUS AND METHOD FOR SEPARATING CO2 AT LOW TEMPERATURE COMPRISI...
- Publication number 20190118134
- Publication date Apr 25, 2019
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Ludovic GRANADOS
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS
- Publication number 20190120550
- Publication date Apr 25, 2019
- Fluor Technologies Corporation
- John Mak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHODS AND APPARATUS FOR GENERATING A MIXED REFRIGERANT FOR USE IN...
- Publication number 20190086147
- Publication date Mar 21, 2019
- William George Brown
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR RECOVERY OF NON-CONDENSABLE GASES SUCH AS NEO...
- Publication number 20190072326
- Publication date Mar 7, 2019
- Vijayaraghavan S. Chakravarthy
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Recovery Of Helium From Nitrogen-Rich Streams
- Publication number 20190041128
- Publication date Feb 7, 2019
- Air Products and Chemicals, Inc.
- Vincent White
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR ENHANCED ARGON RECOVERY FROM A FEED STREAM CO...
- Publication number 20180356152
- Publication date Dec 13, 2018
- Henry E. Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Internal refrigeration with liquid vaporising loop

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Fuel gas conditioning units for natural gas systems

Systems and methods for production and separation of hydrogen and c...

Heavy hydrocarbon removal system for lean natural gas liquefaction

Compressing system, and gas compressing method

Gas separation system with auto-refrigeration and selective recycle...

Cryogenic liquefier by integration with power plant

Hydrocarbon gas processing

Hydrocarbon gas processing

Hydrocarbon gas processing

Apparatus and method for separating CO2 at low temperature comprisi...

Phase implementation of natural gas liquid recovery plants

Carbon dioxide removal from anode exhaust of a fuel cell by cooling...

Systems and methods for production and separation of hydrogen and c...

Booster system

System and method for rare gas recovery

Method and apparatus for producing a mixture of carbon monoxide and...

Distillation column system and plant for production of oxygen by cr...

System and method for high recovery of nitrogen and argon from a mo...

Process for increasing ethylene and propylene yield from a propylen...

Method for fractionating a stream of cracked gas to obtain an ethyl...

Device and method for purifying a gas mixture

System for reclaiming liquefied petroleum gas

Auto-refrigerated gas separation system for carbon dioxide capture...

Method and system for separating carbon dioxide from flue gas

Compression method and apparatus for an apparatus for capturing CO2...

Systems and methods for flexible propane recovery

System and method for reducing nitrogen content of GSP/expander pro...

Method for separating a hydrocarbon mixture containing hydrogen, se...

Purification of carbon dioxide

Method to produce liquefied natural gas (LNG) at midstream natural...

Patents Applicationslast 30 patents

SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION

DUAL TEMPERATURE LIQUID OXYGEN SUBCOOLING IN AN AIR SEPARATION UNIT

SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND C...

METHOD AND PLANT FOR LOW TEMPERATURE FRACTIONATION OF AIR

METHOD AND APPARATUS FOR RECOVERING CARBON DIOXIDE FROM A COMBUSTIO...

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS FROM NATURAL GAS, AND CO...

PROCESS AND APPARATUS FOR CRYOGENIC SEPARATION OF AIR WITH MIXED GA...

METHOD FOR SUPPLEMENTING CONDENSER HEAT REJECTION IN NATURAL GAS PR...

PROCESS AND PLANT FOR LOW-TEMPERATURE SEPARATION OF AIR

PROCESS AND PLANT FOR PROVISION OF OXYGEN PRODUCT

SIDE DRAW REFLUX HEAVY HYDROCARBON REMOVAL SYSTEM AND METHOD

METHODS AND COMPOSITIONS FOR DELIVERY OF CARBON DIOXIDE

PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS

SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND C...

METHOD FOR GENERATING REFRIGERATION FOR A CARBON MONOXIDE COLD BOX

HYDROCARBON GAS PROCESSING

GAS SEPARATION SYSTEM WITH AUTO-REFRIGERATION AND SELECTIVE RECYCLE...

CO2 Removal or Capture from CO2-rich Gas Mixtures

COMPRESSING SYSTEM, AND GAS COMPRESSING METHOD

Process and plant for separatory processing of a starting mixture

NITROGEN RECOVERY APPARATUS AND METHOD OF RECOVERING NITROGEN

PROCESS FOR THE PRODUCTION OF DILUTE ETHYLENE

SYSTEM AND METHOD FOR HIGH RECOVERY OF NITROGEN AND ARGON FROM A MO...

Hydrocarbon Gas Processing

APPARATUS AND METHOD FOR SEPARATING CO2 AT LOW TEMPERATURE COMPRISI...

PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS

METHODS AND APPARATUS FOR GENERATING A MIXED REFRIGERANT FOR USE IN...

SYSTEM AND METHOD FOR RECOVERY OF NON-CONDENSABLE GASES SUCH AS NEO...

Recovery Of Helium From Nitrogen-Rich Streams

SYSTEM AND METHOD FOR ENHANCED ARGON RECOVERY FROM A FEED STREAM CO...