ClassID:

160374

F25J2205/80 - CPC Classification

Classification description:

Processes or apparatus using other separation and/or other processing means using membrane, i.e. including a permeation step

Recent Application in this class:
#1
20260063359
2026-03-05

LIQUEFACTION OF NATURAL GAS FEEDS CONTAINING HYDROGEN

#2
20250146747
2025-05-08

UTILIZING FLUE GAS HEAT FOR CARBON DIOXIDE CAPTURE

#3
20250035376
2025-01-30

FACILITY FOR PRODUCING LIQUID CO2 AND BIOMETHANE WITH A MEANS FOR PREVENTING THE BUILD-UP OF HYDROGEN AND OXYGEN

#4
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#5
20240226803
2024-07-11

PROCESS AND APPARATUS FOR SEPARATING A MIXTURE OF HYDROGEN AND CARBON DIOXIDE

#6
20240183609
2024-06-06

System and method for control of feed compressors in an RNG recovery facility for biogas or landfill gas

#7
20240131470
2024-04-25

PROCESS AND APPARATUS FOR SEPARATING A MIXTURE OF HYDROGEN AND CARBON DIOXIDE

#8
20240085102
2024-03-14

SYSTEM AND METHOD FOR CONTROL OF FEED COMPRESSORS IN AN RNG RECOVERY FACILITY FOR BIOGAS OR LANDFILL GAS

#9
20230338889
2023-10-26

FACILITY AND METHOD FOR PRODUCING BIOMETHANE WITH LIMITED METHANE LOSS AND LIMITED CO2 EMISSIONS

#10
20230322549
2023-10-12

METHODS AND SYSTEMS FOR CRYOGENICALLY SEPARATING CARBON DIOXIDE AND HYDROGEN FROM A SYNGAS STREAM

#11
20230221067
2023-07-13

INTEGRATED COMPRESSION AND MEMBRANE SEPARATION PROCESS FOR REMOVAL OF CO2 FROM RAW NATURAL GAS

#12
20230160634
2023-05-25

CRYOGENIC PROCESS FOR SEPARATION OF CO2 FROM A HYDROCARBON STREAM

#13
20230032466
2023-02-02

THERMALLY INTEGRATED SEPARATION METHOD FOR SEPARATING CARBON DIOXIDE AND NGL

#14
20230023477
2023-01-26

METHOD AND APPARATUS FOR SEPARATING CARBON DIOXIDE FROM A RESIDUAL GAS IN A FLUIDISED BED CATALYTIC CRACKING PLANT (FCC)

#15
20230022033
2023-01-26

Process to separate nitrogen from methane by permeation and cryogenic distillation

#16
20220219978
2022-07-14

ENHANCED HYDROGEN RECOVERY UTILIZING GAS SEPARATION MEMBRANES INTEGRATED WITH PRESSURE SWING ADSORPTION UNIT AND/OR CRYOGENIC SEPARATION SYSTEM

#17
20220205717
2022-06-30

RECOVERY OF NONCONDENSABLE GAS COMPONENTS FROM A GASEOUS MIXTURE

#18
20220168686
2022-06-02

MEMBRANE CAPTURE OF CO2 FROM REFINERY EMISSIONS

#19
20220152552
2022-05-19

METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

#20
20210214619
2021-07-15

Process for extracting gasoline from a gas containing condensable hydrocarbons

#21
20210156303
2021-05-27

Cryogenic liquefier by integration with power plant

#22
20210130720
2021-05-06

Method for purifying natural gas using an economizer

#23
20210069632
2021-03-11

System and method of recovering carbon dioxide from an exhaust gas stream

#24
20210031139
2021-02-04

Helium recovery from gaseous streams

#25
20200386475
2020-12-10

Method to recover LPG and condensates from refineries fuel gas streams

#26
20200386090
2020-12-10

Method to recover and process methane and condensates from flare gas systems

#27
20200385641
2020-12-10

METHOD AND SYSTEM FOR TREATING A FLOW BACK FLUID EXITING A WELL SITE

#28
20200377430
2020-12-03

Process and system for removal of light ends and non-condensables to prevent buildup in an olefin/paraffin membrane separation process

#29
20200307997
2020-10-01

Process and device for the combined production of hydrogen and carbon dioxide from a hydrocarbon mixture

#30
20200188844
2020-06-18

Method for separating a natural gas stream into a methane-enriched fraction and a fraction enriched in Cand higher hydrocarbons

#31
20200124347
2020-04-23

Cryogenic purification device and method and machine comprising a purification device

#32
20200103165
2020-04-02

SYSTEMS AND METHODS OF DEBOTTLENECKING PROPANE FEED

#33
20200088466
2020-03-19

Helium extraction from natural gas

#34
20200041202
2020-02-06

Module for natural gas liquefier apparatus and natural gas liquefier apparatus

#35
20190358583
2019-11-28

Carbon dioxide and hydrogen sulfide recovery system using a combination of membranes and low temperature cryogenic separation processes

#36
20190358582
2019-11-28

SYSTEM AND PROCESS FOR SEPARATING GAS COMPONENTS USING MEMBRANE FILTRATION TECHNOLOGY

#37
20190282955
2019-09-19

System and method used to recycle exhaust gas during olefin polymer production

#38
20190128602
2019-05-02

SYSTEM AND METHOD FOR PROCESSING A HYDROCARBON-COMPRISING FLUID

#39
20190118134
2019-04-25

Apparatus and method for separating COat low temperature comprising a step of separation by permeation

#40
20190001263
2019-01-03

Method for producing biomethane by purifying biogas from non-hazardous waste storage facilities and facility for implementing the method

#41
20180363978
2018-12-20

TREATING RAW NATURAL GAS

#42
20180353898
2018-12-13

Helium recovery from gaseous streams

#43
20180280883
2018-10-04

Natural-gas purification apparatus

#44
20180266759
2018-09-20

System and method for processing a hydrocarbon-comprising fluid

#45
20180266758
2018-09-20

Plant and process for ammonia production with cryogenic purification, and related method of revamping

#46
20180133642
2018-05-17

Integrated gas separation-turbine CO2 capture processes

#47
20180058757
2018-03-01

Process and apparatus for producing carbon monoxide

#48
20180038555
2018-02-08

Floating liquefied natural gas pretreatment system

#49
20180038554
2018-02-08

Floating liquefied natural gas pretreatment system

#50
20170368499
2017-12-28

System and method of recovering carbon dioxide from an exhaust gas stream

#51
20170363351
2017-12-21

METHOD AND APPARATUS FOR SEPARATING A FEED GAS CONTAINING AT LEAST 20 MOL % OF CO2 AND AT LEAST 20 MOL % OF METHANE, BY PARTIAL CONDENSATION AND/OR BY DISTILLATION

#52
20170304769
2017-10-26

METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

#53
20170082358
2017-03-23

Process and plant for separating a gas mixture

#54
20170081262
2017-03-23

Process for separation and purification of renewable propane

#55
20170081186
2017-03-23

Treatment method for separating carbon dioxide and hydrogen from a mixture

#56
20170050900
2017-02-23

Process for recovering olefins from manufacturing operations

#57
20170045290
2017-02-16

Helium recovery from streams containing helium, carbon dioxide, and at least one of nitrogen and methane

#58
20170008822
2017-01-12

Membrane-based gas separation processes to separate dehydrogenation reaction products

#59
20160313058
2016-10-27

Process and apparatus for separating NOfrom a COand NO-containing fluid

#60
20160282044
2016-09-29

Process and apparatus for the production of CO and CO

#61
20160265840
2016-09-15

UNIT AND METHOD FOR PURIFYING CO2 BY ADSORPTION

#62
20160231051
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#63
20160200446
2016-07-14

On-board aircraft nitrogen enriched air and cooling fluid generation system and method

#64
20150300733
2015-10-22

Nitrogen removal with ISO-pressure open refrigeration natural gas liquids recovery

#65
20150276309
2015-10-01

Process and apparatus for separating NOfrom a COand NO—containing fluid

#66
20150210936
2015-07-30

Method and system for treating a flow back fluid exiting a well site

#67
20150174523
2015-06-25

Process and apparatus for the separation of a stream containing carbon dioxide, water and at least one light impurity including a separation step at subambient temperature

#68
20150168054
2015-06-18

Method and apparatus for separating a carbon dioxide-rich gas

#69
20150114033
2015-04-30

Purification of carbon dioxide

#70
20150013380
2015-01-15

Method for separating off acid gases from natural gas

#71
20140130541
2014-05-15

Nitrogen removal with ISO-pressure open refrigeration natural gas liquids recovery

#72
20140102298
2014-04-17

Method of obtaining carbon dioxide from a carbon dioxide-containing gas mixture

#73
20130213086
2013-08-22

METHODS AND APPARATUSES FOR PROCESSING NATURAL GAS

#74
20130139526
2013-06-06

Floating liquefied natural gas pretreatment system

#75
20120304688
2012-12-06

Refinery gas upgrading via partial condensation and PSA

#76
20120292574
2012-11-22

Process For The Production Of Hydrogen And Carbon Dioxide

#77
20120291485
2012-11-22

Process For The Production Of Hydrogen And Carbon Dioxide

#78
20120291484
2012-11-22

Process For The Production Of Hydrogen And Carbon Dioxide

#79
20120291483
2012-11-22

Process For Recovering Hydrogen And Carbon Dioxide

#80
20120291482
2012-11-22

Process For Recovering Hydrogen And Carbon Dioxide

#81
20120291481
2012-11-22

Process For Recovering Hydrogen And Carbon Dioxide

#82
20120121497
2012-05-17

Process for recovering hydrogen and carbon dioxide

#83
20120118011
2012-05-17

Process For The Production Of Hydrogen And Carbon Dioxide

#84
20120111051
2012-05-10

Carbon dioxide removal process

#85
20120085232
2012-04-12

METHODS FOR REMOVING CONTAMINANTS FROM NATURAL GAS

#86
20120079852
2012-04-05

Systems and Methods for Removing Heavy Hydrocarbons and Acid Gases From a Hydrocarbon Gas Stream

#87
20120079849
2012-04-05

REMOVAL OF HYDROGEN

#88
20120065450
2012-03-15

Process that utilizes combined distillation and membrane separation in the separation of an acidic contaminant from a light hydrocarbon gas stream

#89
20120009109
2012-01-12

Treatment of flue gas from an oxyfuel combustion process

#90
20110271714
2011-11-10

Configurations and methods of carbon capture

#91
20110257276
2011-10-20

Process and apparatus for the production of hydrocarbon compounds from methane

#92
20110247360
2011-10-13

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

#93
20110239700
2011-10-06

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

#94
20110144407
2011-06-16

PROCESS FOR PRODUCING PURIFIED HYDROCARBON HAS

#95
20110138852
2011-06-16

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

#96
20110100055
2011-05-05

Hybrid Air Separation Method with Noncryogenic Preliminary Enrichment and Cryogenic Purification Based on a Single Component Gas or Liquid Generator

#97
20100256245
2010-10-07

Process for methane conversion

#98
20100223950
2010-09-09

Nitrogen removal with iso-pressure open refrigeration natural gas liquids recovery

#99
20100192627
2010-08-05

Method and device for the cryogenic separation of a methane-rich flow

#100
20100147147
2010-06-17

Method of separating a syngas containing hydrogen and carbon monoxide but also at least carbon dioxide and water vapor

#101
20100126180
2010-05-27

SEPARATION OF CARBON DIOXIDE AND HYDROGEN

#102
20100107685
2010-05-06

Refinery gas upgrading via partial condensation and PSA

#103
20100077796
2010-04-01

Hybrid Membrane/Distillation Method and System for Removing Nitrogen from Methane

#104
20090288556
2009-11-26

Carbon dioxide purification

#105
20090266107
2009-10-29

Integrated controlled freeze zone (CFZ) tower and dividing wall (DWC) for enhanced hydrocarbon recovery

#106
20090259080
2009-10-15

Processes for the separation of methane from a gas stream

#107
20090151390
2009-06-18

System for enhanced fuel gas composition control in an LNG facility

#108
20090117024
2009-05-07

Process for the Production of Hydrogen with Co-Production and Capture of Carbon Dioxide

#109
20090090049
2009-04-09

PROCESS FOR PRODUCING LIQEFIED NATURAL GAS FROM HIGH CO2 NATURAL GAS

#110
20090013718
2009-01-15

METHOD FOR THE SIMULTANEOUS RECOVERY OF A PURE HELIUM AND PURE NITROGEN FRACTION

#111
20080176174
2008-07-24

Purification of carbon dioxide

#112
20080134716
2008-06-12

Method for Separating Trace Components from a Nitrogen-Rich Stream

#113
20060260189
2006-11-23

Configurations and methods of carbon capture

#114
20060236719
2006-10-26

Gas stream purification method utilizing electrically driven oxygen ion transport

#115
20060233701
2006-10-19

Method and apparatus to improve the industrial production of hydrogen-carbon monoxide

#116
20060130519
2006-06-22

Small-scale gas liquefier

#117
20060074132
2006-04-06

Process and apparatus for the production of hydrocarbon compounds from methane

#118
20060065119
2006-03-30

Electricity generation system

#119
20050139072
2005-06-30

Process to remove nitrogen and/or carbon dioxide from methane-containing streams

#120
20050092594
2005-05-05

Membrane/distillation method and system for extracting CO2 from hydrocarbon gas

#121
20050034372
2005-02-17

Installation for hydrogen production and methods for using same

#122
15353310
2017-10-10

Integrated gas separation-turbine COcapture processes