Details relating to the withdrawal point

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CPC
F25J2200/94

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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 F25J2200/00Processes or apparatus using separation by rectification

Current Industry

F25J2200/94Details relating to the withdrawal point

Industries

Patents Grantslast 30 patents

Information Patent Grant
Impurity control for a high pressure CO2 purification and supply sy...
- Patent number 12,061,046
- Issue date Aug 13, 2024
- Messer Industries USA, Inc.
- Joseph Naumovitz
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hydrocarbon gas processing
- Patent number 11,643,604
- Issue date May 9, 2023
- UOP LLC
- J. Ascencion Anguiano
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Impurity control for a high pressure CO2 purification and supply sy...
- Patent number 11,624,556
- Issue date Apr 11, 2023
- Messer Industries USA, Inc.
- Joseph Naumovitz
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Mixing and heat integration of melt tray liquids in a cryogenic dis...
- Patent number 11,378,332
- Issue date Jul 5, 2022
- ExxonMobil Upstream Research Company
- Jaime A. Valencia
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nitrogen production method and nitrogen production apparatus
- Patent number 11,353,262
- Issue date Jun 7, 2022
- L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
- Kenji Hirose
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Alternative two column HRU design with rich reflux
- Patent number 11,320,197
- Issue date May 3, 2022
- ConocoPhillips Company
- Dale L. Embry
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
System and method for flexible recovery of argon from a cryogenic a...
- Patent number 11,262,125
- Issue date Mar 1, 2022
- Praxair Technology, Inc.
- Neil M. Prosser
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process and device for the cryogenic separation of synthesis gas
- Patent number 11,125,496
- Issue date Sep 21, 2021
- Linde Aktiengesellschaft
- Martin Lang
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method for separating natural gas liquid and nitrogen fr...
- Patent number 11,125,497
- Issue date Sep 21, 2021
- BCCK Holding Company
- Rayburn C. Butts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process and plant for the combination production of a mixture of hy...
- Patent number 11,015,866
- Issue date May 25, 2021
- L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
- Bertrand Demolliens
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Gas liquefaction column
- Patent number 10,859,314
- Issue date Dec 8, 2020
- Gilles Nadon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and system for cooling and separating a hydrocarbon stream
- Patent number 10,598,431
- Issue date Mar 24, 2020
- Shell Oil Company
- Johan Jan Barend Pek
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method for separating natural gas liquid and nitrogen fr...
- Patent number 10,520,250
- Issue date Dec 31, 2019
- Butts Properties, Ltd.
- Rayburn C. Butts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Reducing refrigeration and dehydration load for a feed stream enter...
- Patent number 10,495,379
- Issue date Dec 3, 2019
- ExxonMobil Upstream Research Company
- Ananda K. Nagavarapu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for producing compressed nitrogen and liquid n...
- Patent number 10,488,106
- Issue date Nov 26, 2019
- Linde Aktiengesellschaft
- Dimitri Golubev
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method for cryogenic purification of a feed stream compr...
- Patent number 10,295,251
- Issue date May 21, 2019
- Praxair Technology, Inc.
- Henry E. Howard
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cryogenic system for removing acid gases from a hydrocarbon gas stream
- Patent number 10,222,121
- Issue date Mar 5, 2019
- ExxonMobil Upstream Research Company
- John Tim Cullinane
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for obtaining an air product in an air separation plant and...
- Patent number 10,209,004
- Issue date Feb 19, 2019
- Linde Aktiengesellschaft
- Stefan Lochner
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method for cryogenic purification of a feed stream compr...
- Patent number 10,088,229
- Issue date Oct 2, 2018
- Praxair Technology, Inc.
- Henry E. Howard
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method for cryogenic purification of a feed stream compr...
- Patent number 10,024,595
- Issue date Jul 17, 2018
- Praxair Technology, Inc.
- Henry E. Howard
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cryogenic separation of synthesis gas
- Patent number 9,909,803
- Issue date Mar 6, 2018
- Air Products and Chemicals, Inc.
- Brian Alfred McNeil
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Systems and methods for separating hydrocarbons using one or more d...
- Patent number 9,683,776
- Issue date Jun 20, 2017
- Kellogg Brown & Root LLC
- Elena Stylianou
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Nitrogen removal with ISO-pressure open refrigeration natural gas l...
- Patent number 9,534,837
- Issue date Jan 3, 2017
- Lummus Technology Inc.
- Michael Malsam
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Flexible NGL recovery methods and configurations
- Patent number 9,423,175
- Issue date Aug 23, 2016
- Fluor Technologies Corporation
- John Mak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Nitrogen removal with ISO-pressure open refrigeration natural gas l...
- Patent number 9,074,815
- Issue date Jul 7, 2015
- Lummus Technology Inc.
- Michael Malsam
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for generating and separating a hydrogen-carbon monoxide mi...
- Patent number 8,966,937
- Issue date Mar 3, 2015
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Natacha Haik-Beraud
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Nitrogen removal with iso-pressure open refrigeration natural gas l...
- Patent number 8,627,681
- Issue date Jan 14, 2014
- Lummus Technology Inc.
- Michael Malsam
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process and apparatus for the production of hydrocarbon compounds f...
- Patent number 8,455,555
- Issue date Jun 4, 2013
- GTLpetrol LLC
- Rodney Allam
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Dividing wall column with a heat pump
- Patent number 8,323,457
- Issue date Dec 4, 2012
- Kellogg Brown & Root LLC
- Derek William Townsend
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Integrated olefin recovery process
- Patent number 8,256,243
- Issue date Sep 4, 2012
- Kellogg Brown & Root LLC
- Vijender Kumar Verma
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

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
ALTERNATIVE TWO COLUMN HRU DESIGN WITH RICH REFLUX
- Publication number 20220260311
- Publication date Aug 18, 2022
- ConocoPhillips Company
- Dale L. EMBRY
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SYSTEM AND METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC A...
- Publication number 20220146196
- Publication date May 12, 2022
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATI...
- Publication number 20220146195
- Publication date May 12, 2022
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
MIXED REFRIGERANT SYSTEM FOR NATURAL GAS PROCESSING
- Publication number 20210396465
- Publication date Dec 23, 2021
- AZOTA GAS PROCESSING, LTD.
- Pierre E. Lugosch
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HYDROCARBON GAS PROCESSING
- Publication number 20210115338
- Publication date Apr 22, 2021
- UOP LLC
- J. Ascencion Anguiano
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS AND APPARATUS FOR PRODUCTION OF CARBON MONOXIDE BY PARTIAL...
- Publication number 20210055048
- Publication date Feb 25, 2021
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Antoine HERNANDEZ
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
USE OF DENSE FLUID EXPANDERS IN CRYOGENIC NATURAL GAS LIQUIDS RECOVERY
- Publication number 20200378682
- Publication date Dec 3, 2020
- UOP LLC
- Adam Adrian Brostow
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Impurity Control For A High Pressure CO2 Purification And Supply Sy...
- Publication number 20200355430
- Publication date Nov 12, 2020
- Messer Industries USA, Inc
- Joseph Naumovitz
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Impurity Control For A High Pressure CO2 Purification And Supply Sy...
- Publication number 20200355431
- Publication date Nov 12, 2020
- Messer Industries USA, Inc
- Joseph Naumovitz
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
System and Method for Separating Natural Gas Liquid and Nitrogen fr...
- Publication number 20200072547
- Publication date Mar 5, 2020
- Butts Properties, Ltd.
- Rayburn C. Butts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
System and Method for Natural Gas Liquid Production with Flexible E...
- Publication number 20200064064
- Publication date Feb 27, 2020
- Butts Properties, Ltd.
- Rayburn C. Butts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Mixing and Heat Integration of Melt Tray Liquids in a Cryogenic Dis...
- Publication number 20200003490
- Publication date Jan 2, 2020
- Jaime A. VALENCIA
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
GAS LIQUEFACTION COLUMN
- Publication number 20190390900
- Publication date Dec 26, 2019
- Gilles Nadon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
NITROGEN PRODUCTION METHOD AND NITROGEN PRODUCTION APPARATUS
- Publication number 20190293348
- Publication date Sep 26, 2019
- L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
- Kenji Hirose
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS AND PLANT FOR THE COMBINATION PRODUCTION OF A MIXTURE OF HY...
- Publication number 20190128601
- Publication date May 2, 2019
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Bertrand DEMOLLIENS
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS AND DEVICE FOR THE CRYOGENIC SEPARATION OF SYNTHESIS GAS
- Publication number 20190056176
- Publication date Feb 21, 2019
- Linde Aktiengesellschaft
- Martin LANG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
CYROGENIC SEPARATION OF LIGHT OLEFINS AND METHANE FROM SYNGAS
- Publication number 20180298292
- Publication date Oct 18, 2018
- Thabet Al-Qahtani
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ALTERNATIVE TWO COLUMN HRU DESIGN WITH RICH REFLUX
- Publication number 20180266757
- Publication date Sep 20, 2018
- ConocoPhillips Company
- Dale L. EMBRY
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
System and Method for Separating Natural Gas Liquid and Nitrogen fr...
- Publication number 20180231306
- Publication date Aug 16, 2018
- Butts Properties, Ltd.
- Rayburn C. Butts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Reducing Refrigeration and Dehydration Load for a Feed Stream Enter...
- Publication number 20170370640
- Publication date Dec 28, 2017
- Ananda K. Nagavarapu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEMS AND METHODS FOR REMOVAL OF NITROGEN FROM LNG
- Publication number 20170370641
- Publication date Dec 28, 2017
- Fluor Technologies Corporation
- John Mak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Helium Recovery From Streams Containing Helium, Carbon Dioxide, and...
- Publication number 20170045290
- Publication date Feb 16, 2017
- Air Products and Chemicals, Inc.
- Jason Michael Ploeger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROCARBON GAS PROCESSING FEATURING A COMPRESSED REFLUX STREAM FOR...
- Publication number 20160377341
- Publication date Dec 29, 2016
- Ortloff Engineers, Ltd.
- Tony L. Martinez
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
FLEXIBLE NGL RECOVERY METHODS AND CONFIGURATIONS
- Publication number 20140260420
- Publication date Sep 18, 2014
- FLUOR TECHNOLOGIES CORPORATION
- John Mak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Nitrogen Removal With ISO-Pressure Open Refrigeration Natural Gas L...
- Publication number 20140130541
- Publication date May 15, 2014
- Lummus Technology Inc.
- Michael Malsam
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Systems And Methods For Separating Hydrocarbons Using One Or More D...
- Publication number 20130213088
- Publication date Aug 22, 2013
- Kellogg Brown & Root LLC
- Elena Stylianou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR RECOVERING NATURAL GAS LIQUIDS WITH AUTO REFR...
- Publication number 20130074542
- Publication date Mar 28, 2013
- Mehdi Mehrpooya
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM
- Publication number 20120125043
- Publication date May 24, 2012
- ExxonMobile Upstream Research Company
- John Tim Cullinane
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Details relating to the withdrawal point

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Impurity control for a high pressure CO2 purification and supply sy...

Hydrocarbon gas processing

Impurity control for a high pressure CO2 purification and supply sy...

Mixing and heat integration of melt tray liquids in a cryogenic dis...

Nitrogen production method and nitrogen production apparatus

Alternative two column HRU design with rich reflux

System and method for flexible recovery of argon from a cryogenic a...

Process and device for the cryogenic separation of synthesis gas

System and method for separating natural gas liquid and nitrogen fr...

Process and plant for the combination production of a mixture of hy...

Gas liquefaction column

Method and system for cooling and separating a hydrocarbon stream

System and method for separating natural gas liquid and nitrogen fr...

Reducing refrigeration and dehydration load for a feed stream enter...

Method and apparatus for producing compressed nitrogen and liquid n...

System and method for cryogenic purification of a feed stream compr...

Cryogenic system for removing acid gases from a hydrocarbon gas stream

Method for obtaining an air product in an air separation plant and...

System and method for cryogenic purification of a feed stream compr...

System and method for cryogenic purification of a feed stream compr...

Cryogenic separation of synthesis gas

Systems and methods for separating hydrocarbons using one or more d...

Nitrogen removal with ISO-pressure open refrigeration natural gas l...

Flexible NGL recovery methods and configurations

Nitrogen removal with ISO-pressure open refrigeration natural gas l...

Process for generating and separating a hydrogen-carbon monoxide mi...

Nitrogen removal with iso-pressure open refrigeration natural gas l...

Process and apparatus for the production of hydrocarbon compounds f...

Dividing wall column with a heat pump

Integrated olefin recovery process

Patents Applicationslast 30 patents

PROCESS AND PLANT FOR LOW-TEMPERATURE SEPARATION OF AIR

PROCESS AND PLANT FOR PROVISION OF OXYGEN PRODUCT

ALTERNATIVE TWO COLUMN HRU DESIGN WITH RICH REFLUX

SYSTEM AND METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC A...

METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATI...

MIXED REFRIGERANT SYSTEM FOR NATURAL GAS PROCESSING

HYDROCARBON GAS PROCESSING

PROCESS AND APPARATUS FOR PRODUCTION OF CARBON MONOXIDE BY PARTIAL...

USE OF DENSE FLUID EXPANDERS IN CRYOGENIC NATURAL GAS LIQUIDS RECOVERY

Impurity Control For A High Pressure CO2 Purification And Supply Sy...

Impurity Control For A High Pressure CO2 Purification And Supply Sy...

System and Method for Separating Natural Gas Liquid and Nitrogen fr...

System and Method for Natural Gas Liquid Production with Flexible E...

Mixing and Heat Integration of Melt Tray Liquids in a Cryogenic Dis...

GAS LIQUEFACTION COLUMN

NITROGEN PRODUCTION METHOD AND NITROGEN PRODUCTION APPARATUS

PROCESS AND PLANT FOR THE COMBINATION PRODUCTION OF A MIXTURE OF HY...

PROCESS AND DEVICE FOR THE CRYOGENIC SEPARATION OF SYNTHESIS GAS

CYROGENIC SEPARATION OF LIGHT OLEFINS AND METHANE FROM SYNGAS

ALTERNATIVE TWO COLUMN HRU DESIGN WITH RICH REFLUX

System and Method for Separating Natural Gas Liquid and Nitrogen fr...

Reducing Refrigeration and Dehydration Load for a Feed Stream Enter...

SYSTEMS AND METHODS FOR REMOVAL OF NITROGEN FROM LNG

Helium Recovery From Streams Containing Helium, Carbon Dioxide, and...

HYDROCARBON GAS PROCESSING FEATURING A COMPRESSED REFLUX STREAM FOR...

FLEXIBLE NGL RECOVERY METHODS AND CONFIGURATIONS

Nitrogen Removal With ISO-Pressure Open Refrigeration Natural Gas L...

Systems And Methods For Separating Hydrocarbons Using One Or More D...

SYSTEM AND METHOD FOR RECOVERING NATURAL GAS LIQUIDS WITH AUTO REFR...

CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM