ClassID:

160138

F25J3/0219 - CPC Classification

Classification description:

Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature

Recent Application in this class:
#1
20240261725
2024-08-08

HIGH RECOVERY CO AND CO2 SEPARATION PROCESS FROM FLUE GAS FROM A PARTIAL BURN FLUID CATALYTIC CRACKING PROCESS

#2
20240200869
2024-06-20

PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON

#3
20240191941
2024-06-13

ETHANE SEPARATION WITH OVERHEAD CRYOGENIC HEAT EXCHANGER

#4
20240190791
2024-06-13

SEPARATION OF HYDROGEN, METHANE, ETHANE, AND PROPANE IN NAPHTHA TO ETHANE AND PROPANE FRACTIONATION SECTION BASED ON A DIVIDING WALL FRACTIONATION COLUMN INTEGRATION

#5
20230324115
2023-10-12

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#6
20230304732
2023-09-28

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#7
20230194162
2023-06-22

DYNAMIC LEAK DETECTION SYSTEM IN PROPANE HEAT EXCHANGERS

#8
20230160633
2023-05-25

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#9
20230050081
2023-02-16

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#10
20230032466
2023-02-02

THERMALLY INTEGRATED SEPARATION METHOD FOR SEPARATING CARBON DIOXIDE AND NGL

#11
20230023477
2023-01-26

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

#12
20220412649
2022-12-29

METHOD FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CARBON DIOXIDE WITH REMOVAL OF THE AIR IMPURITIES PRESENT IN THE METHANE

#13
20220397343
2022-12-15

FACILITY FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CO2 COMPRISING A VAPO/CONDENSER PLACED IN AN INTERMEDIATE STAGE OF THE DISTILLATION COLUMN

#14
20220018597
2022-01-20

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#15
20210341224
2021-11-04

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#16
20210284589
2021-09-16

Method for producing a separation product containing predominantly hydrocarbons with two carbon atoms

#17
20210190420
2021-06-24

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#18
20210180862
2021-06-17

CRACKER MODULAR PROCESSING FACILITY

#19
20210172676
2021-06-10

Preparing hydrocarbon streams for storage

#20
20210131728
2021-05-06

PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON

#21
20210130264
2021-05-06

Method and system for obtaining one or more olefins

#22
20210130261
2021-05-06

Ethylene-to-liquids systems and methods

#23
20210116174
2021-04-22

HYDROCARBON GAS PROCESSING

#24
20210095920
2021-04-01

Method for vaporizing liquid propane and vaporizing apparatus used therefor

#25
20210088278
2021-03-25

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#26
20210080176
2021-03-18

Unsaturated hydrocarbon production apparatus

#27
20210053889
2021-02-25

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#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
20200292230
2020-09-17

Hydrocarbon gas processing

#30
20200224968
2020-07-16

Process and plant for separatory processing of a starting mixture

#31
20200207685
2020-07-02

Ethylene-to-liquids systems and methods

#32
20200199046
2020-06-25

Method for recovering a stream of C2+ hydrocarbons in a residual refinery gas and associated installation

#33
20200103165
2020-04-02

SYSTEMS AND METHODS OF DEBOTTLENECKING PROPANE FEED

#34
20200096254
2020-03-26

Process for producing biomethane from a biogas stream, comprising solidification of the impurities

#35
20200087582
2020-03-19

METHOD OF TREATING A HYDROCARBON STREAM

#36
20200064063
2020-02-27

System and method for natural gas liquid production with flexible ethane recovery or rejection

#37
20200031736
2020-01-30

Process for separating hydrocarbon compounds

#38
20200018544
2020-01-16

HIGH-PRESSURE DENSITY-DRIVEN SEPARATION

#39
20190346202
2019-11-14

Process for the production of dilute ethylene

#40
20190331415
2019-10-31

Ethylene plant refrigeration system

#41
20190284112
2019-09-19

Method and system for producing olefins

#42
20190282955
2019-09-19

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

#43
20190277564
2019-09-12

Pump reservoir, rectification system and process for low-temperature rectification

#44
20190257580
2019-08-22

Component removal from a gas stream

#45
20190225893
2019-07-25

Process for the steam cracking of ethane

#46
20190204008
2019-07-04

ABOVE CRYOGENIC SEPARATION PROCESS FOR PROPANE DEHYDROGENATION REACTOR EFFLUENT

#47
20190177246
2019-06-13

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#48
20190151789
2019-05-23

Carbon dioxide capturing apparatus using cold heat of liquefied natural gas and power generation system using same

#49
20190137172
2019-05-09

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#50
20190003766
2019-01-03

System and method for rare gas recovery

#51
20180363979
2018-12-20

Supersonic separation of hydrocarbons

#52
20180356152
2018-12-13

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#53
20180328654
2018-11-15

METHODS FOR RECOVERING ALKENES AND NITROGEN FROM PROCESS GAS STREAMS

#54
20180306495
2018-10-25

Method for separating components using solids producing multi-stage direct and indirect-contact exchange

#55
20180298292
2018-10-18

CYROGENIC SEPARATION OF LIGHT OLEFINS AND METHANE FROM SYNGAS

#56
20180283775
2018-10-04

CYROGENIC SEPARATION OF LIGHT OLEFINS AND METHANE FROM SYNGAS

#57
20180274854
2018-09-27

Systems and Methods for Recovering Desired Light Hydrocarbons from Refinery Waste Gas Using a Back-End Turboexpander

#58
20180266762
2018-09-20

Method for removing a foulant from a gas stream without external refrigeration

#59
20180266758
2018-09-20

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

#60
20180238236
2018-08-23

Charge gas compression train for ethylene

#61
20180209726
2018-07-26

Method and system for separating carbon dioxide from flue gas

#62
20180186632
2018-07-05

Method and system for obtaining hydrogen from a feed mixture which contains hydrogen and hydrocarbons

#63
20180080710
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#64
20180080709
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#65
20180080708
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#66
20180073803
2018-03-15

Process for the production of dilute ethylene

#67
20180002257
2018-01-04

Methyl fluoride production method

#68
20170343280
2017-11-30

Refrigerant vent rectifier and efficiency booster

#69
20170341997
2017-11-30

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#70
20170320793
2017-11-09

Method and apparatus for producing hydrocarbons

#71
20170275217
2017-09-28

PROCESS FOR SEPARATING HYDROCARBON COMPOUNDS

#72
20170268820
2017-09-21

System and method for argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#73
20170260114
2017-09-14

ETHYLENE-TO-LIQUIDS SYSTEMS AND METHODS

#74
20170253481
2017-09-07

Production of ammonia make-up syngas with cryogenic purification

#75
20170248364
2017-08-31

Process for increasing ethylene and propylene yield from a propylene plant

#76
20170219281
2017-08-03

METHOD AND SYSTEM FOR RECOVERY OF METHANE FROM HYDROCARBON STREAMS

#77
20170211877
2017-07-27

Process and apparatus for processing a hydrocarbon gas stream

#78
20170198967
2017-07-13

Separation method and separation process system for recovering ethylene

#79
20170176097
2017-06-22

Systems and Methods for Recovering Desired Light Hydrocarbons from Refinery Waste Gas Using a Back-End Turboexpander

#80
20170122661
2017-05-04

System and method for argon recovery from the tail gas of an ammonia production plant

#81
20160362352
2016-12-15

Recovery of ethylene from methanol to olefins process

#82
20160348964
2016-12-01

Method for separating a hydrocarbon mixture containing hydrogen, separating device, and olefin plant

#83
20160327336
2016-11-10

Preparing hydrocarbon streams for storage

#84
20160319206
2016-11-03

Method for separating a hydrocarbon mixture, separating plant and steam cracking plant

#85
20160282043
2016-09-29

Method of cooling using extended binary refrigeration system

#86
20160258676
2016-09-08

Method for fractionating a stream of cracked gas, using an intermediate recirculation current, and related plant

#87
20160138864
2016-05-19

Liquid collection system

#88
20160131423
2016-05-12

Method and apparatus for producing carbon dioxide and hydrogen

#89
20160060130
2016-03-03

Hydrogen and nitrogen recovery from ammonia purge gas

#90
20160009609
2016-01-14

Methanol to olefins process

#91
20150368167
2015-12-24

Process for separating hydrocarbon compounds

#92
20150232395
2015-08-20

Ethylene-to-liquids systems and methods

#93
20150143842
2015-05-28

Method to recover LPG and condensates from refineries fuel gas streams

#94
20150120066
2015-04-30

System and method for preventing total plant shutdown due to low temperature excursion

#95
20140275674
2014-09-18

Methods and systems for separating olefins

#96
20140171707
2014-06-19

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

#97
20130305777
2013-11-21

Heavy hydrocarbon processing in NGL recovery system

#98
20130225884
2013-08-29

Process for separating hydrocarbon compounds

#99
20130074542
2013-03-28

SYSTEM AND METHOD FOR RECOVERING NATURAL GAS LIQUIDS WITH AUTO REFRIGERATION SYSTEM

#100
20130039835
2013-02-14

Hydrogen and Nitrogen Recovery from Ammonia Purge Gas

#101
20120324942
2012-12-27

Apparatus and method for the distillation separation of a mixture containing carbon dioxide

#102
20120304688
2012-12-06

Refinery gas upgrading via partial condensation and PSA

#103
20120302807
2012-11-29

METHANE REJECTION AND ETHYLENE RECOVERY

#104
20120266630
2012-10-25

Method for fractionating a stream of cracked gas to obtain an ethylene-rich cut and a stream of fuel, and related installation

#105
20120240615
2012-09-27

Methanol to olefins process

#106
20120213676
2012-08-23

Process for the Production of Ammonia Synthesis Gas With Improved Cryogenic Purification

#107
20120161079
2012-06-28

Production of Ammonia Make-Up Syngas with Cryogenic Purification

#108
20120151962
2012-06-21

Ethylene Recovery From Off-Gas

#109
20120141350
2012-06-07

Process for revamping an ammonia plant with nitrogen-based washing of a purge stream

#110
20120137726
2012-06-07

NGL recovery from natural gas using a mixed refrigerant

#111
20120085128
2012-04-12

Method for Recovery of Propane and Heavier Hydrocarbons

#112
20120085127
2012-04-12

Method for enhanced recovery of ethane, olefins, and heavier hydrocarbons from low pressure gas

#113
20120070364
2012-03-22

High pressure cyrogenic process and system for producing ammonia products

#114
20120067081
2012-03-22

Process And Plant For Recovering Argon In A Separation Unit For A Purge Gas Used In The Synthesis Of Ammonia

#115
20120017639
2012-01-26

METHODS AND SYSTEMS FOR STORING AND TRANSPORTING GASES

#116
20110302955
2011-12-15

Method For Trapping CO2 By Solid Cryocondensation In A Turbine

#117
20110296868
2011-12-08

CO2 Recovery Method Using Cryo-Condensation

#118
20110296867
2011-12-08

Hydrocabon gas processing

#119
20110252827
2011-10-20

CO2 Recovery And Cold Water Production Method

#120
20110232327
2011-09-29

Method for Processing Off Gas

#121
20110167868
2011-07-14

Hydrocarbon gas processing

#122
20110146342
2011-06-23

METHOD OF COOLING USING EXTENDED BINARY REFRIGERATION SYSTEM

#123
20110118524
2011-05-19

PROCESS AND APPARATUS FOR C2 RECOVERY

#124
20110116991
2011-05-19

Propylene recovery during regeneration of an oxygenate removal unit

#125
20110077439
2011-03-31

Process for the production of low-concentration ethylene for chemical use

#126
20110041550
2011-02-24

PROCESS AND APPARATUS FOR THE SEPARATION OF LIGHT-BOILING COMPONENTS FROM HYDROCARBON MIXTURES

#127
20100287984
2010-11-18

Hydrocarbon gas processing including a single equipment item processing assembly

#128
20100287983
2010-11-18

Hydrocarbon gas processing

#129
20100275647
2010-11-04

Hydrocarbon gas processing

#130
20100256245
2010-10-07

Process for methane conversion

#131
20100217059
2010-08-26

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#132
20100199717
2010-08-12

Method and system for the separation of a mixture containing carbon dioxide, hydrocarbon and hydrogen

#133
20100161133
2010-06-24

Dynamic constrained optimization of chemical manufacturing

#134
20100115991
2010-05-13

Purification of gases in synthesis gas production process

#135
20100108487
2010-05-06

Dividing wall column with a heat pump

#136
20100107685
2010-05-06

Refinery gas upgrading via partial condensation and PSA

#137
20100087696
2010-04-08

Process and apparatus for Crecovery

#138
20100071410
2010-03-25

DISTILLATION PROCESS USING MICROCHANNEL TECHNOLOGY

#139
20100051876
2010-03-04

PROCESS FOR THE PRODUCTION OF AMMONIA SYNTHESIS GAS WITH IMPROVED CRYOGENIC PURIFICATION

#140
20100037655
2010-02-18

Hydrogen Recovery From A Mixture Of Hydrogen and Hydrocarbons At Low Pressure And Of Low Hydrogen Content

#141
20090314994
2009-12-24

Process for the production of syngas for ammonia synthesis

#142
20090193846
2009-08-06

Recovery of Carbon Monoxide and Hydrogen From Hydrocarbon Streams

#143
20090149688
2009-06-11

Purging of regenerated adsorbent from an oxygenate removal unit

#144
20090149687
2009-06-11

Propylene recovery during regeneration of an oxygenate removal unit

#145
20090133437
2009-05-28

Recovery of Co-Rich Product From a Mixed Gas Containing Heavy Hydrocarbons

#146
20090112037
2009-04-30

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#147
20080312347
2008-12-18

Production of hydrocarbons from natural gas

#148
20080307789
2008-12-18

Integration of LNG regasification with refinery and power generation

#149
20080302650
2008-12-11

Process to recover low grade heat from a fractionation system

#150
20080245101
2008-10-09

Integrated Method and Installation for Cryogenic Adsorption and Separation for Producing Co2

#151
20080209942
2008-09-04

Process for recovering lower carbon olefins from product gas for production of olefins

#152
20080170980
2008-07-17

Ammonia plant

#153
20080141713
2008-06-19

Advanced C2-splitter feed rectifier

#154
20080141712
2008-06-19

Integrated olefin recovery process

#155
20080096985
2008-04-24

Light ends recovery process for a GTL plant

#156
20080066494
2008-03-20

Light component separation from a carbon dioxide mixture

#157
20070260103
2007-11-08

Low pressure olefin recovery process

#158
20070225537
2007-09-27

Process and apparatus for integrating an alkene derivative process with an ethylene process

#159
20070199865
2007-08-30

Method for cold supply to the low-temperature separation stage of an olefin plant

#160
20070085227
2007-04-19

Multi-phase contacting process using microchannel technology

#161
20070059838
2007-03-15

Dynamic constrained optimization of chemical manufacturing

#162
20060239871
2006-10-26

Low pressure drop purifier for nitrogen, methane, and argon removal from syngas

#163
20060198781
2006-09-07

Process for synthesis gas production

#164
20060184254
2006-08-17

Method for creating a linear programming model of an industrial process facility

#165
20060150672
2006-07-13

Internal refrigeration for enhanced NGL recovery

#166
20060135840
2006-06-22

Recovery and purification of ethylene

#167
20060111602
2006-05-25

Removing diamondoid components from natural gas at reduced temperatures

#168
20060107691
2006-05-25

Light gas component separation from a carbon dioxide mixture

#169
20060101851
2006-05-18

Light component separation from a carbon dioxide mixture

#170
20060043000
2006-03-02

Combined use of external and internal solvents in processing gases containing light, medium and heavy components

#171
20060021379
2006-02-02

Secondary deethanizer to debottleneck an ethylene plant

#172
20060021377
2006-02-02

Refrigeration system

#173
20060016216
2006-01-26

Distillation process using microchannel technology

#174
20060016215
2006-01-26

Distillation process using microchannel technology

#175
20060004242
2006-01-05

Low pressure olefin recovery process

#176
20050229634
2005-10-20

Hydrocarbon gas processing for rich gas streams

#177
20050198999
2005-09-15

Use of cryogenic temperatures in processing gases containing light components with physical solvents

#178
20050198998
2005-09-15

Refrigeration system

#179
20050154245
2005-07-14

Hydrogen recovery in a distributed distillation system

#180
20050047995
2005-03-03

Recovery of hydrogen from refinery and petrochemical light ends streams

#181
20050013768
2005-01-20

Low-delta P purifier for nitrogen, methane, and argon removal from syngas

#182
17658605
2023-04-25

Liquid or supercritical carbon dioxide capture from exhaust gas