ClassID:

30306

B01D2252/2021 - CPC Classification

Classification description:

Absorbents, i.e. solvents and liquid materials for gas absorption; Organic absorbents; Alcohols or their derivatives Methanol

Recent Application in this class:
#1
20250276906
2025-09-04

PROCESS AND PLANT FOR PRODUCING AMMONIA

#2
20250262589
2025-08-21

AMINE COMPOSITION FOR CARBON DIOXIDE SEPARATION USE

#3
20250229216
2025-07-17

PROCESS FOR TREATING A GASEOUS EFFLUENT FROM PYROLYTIC DECOMPOSITION OF A POLYMER

#4
20250222394
2025-07-10

PROCESS FOR SEPARATING CARBON DIOXIDE FROM SYNTHESIS GAS

#5
20240367092
2024-11-07

Sweetener with Mixed Acetal(s) and Oxidation Inhibitor(s)

#6
20240335786
2024-10-10

PROCESS FOR SEPARATING CARBON DIOXIDE FROM A RAW HYDROGEN PRODUCT

#7
20240254891
2024-08-01

Carbon Capture System and Method with Recuperative Power Recovery

#8
20240252979
2024-08-01

Sensible Heat Exchanger and Dryer

#9
20240252978
2024-08-01

Component Separation from Gas Streams

#10
20240091702
2024-03-21

CHEMICAL SEQUESTERING OF CO2, NOx and SO2

#11
20230338888
2023-10-26

Processes for Treating Off-Gas In An Acetic Acid Production Unit

#12
20230321588
2023-10-12

PROCESS AND PLANT FOR REMOVING CARBON DIOXIDE FROM SYNTHESIS GAS

#13
20230271128
2023-08-31

Method for reducing methane emissions from biogas upgrading

#14
20220315434
2022-10-06

PROCESS AND PLANT FOR PRODUCING METHANOL AND AMMONIA

#15
20220274049
2022-09-01

Chemical sequestering of CO, NOand SO

#16
20220226768
2022-07-21

Two-stage offgas scrubbing

#17
20220177793
2022-06-09

Process and plant for removing thiols from synthesis gas

#18
20220144634
2022-05-12

Process and plant for producing hydrogen and for separating carbon dioxide from synthesis gas

#19
20220143546
2022-05-12

Process and plant for removing carbon dioxide from synthesis gas

#20
20220089437
2022-03-24

Process for producing pure hydrogen with low steam export

#21
20210402347
2021-12-30

Process and plant for removing disruptive components from raw synthesis gas

#22
20210387135
2021-12-16

Process for treating a gaseous effluent from pyrolytic decomposition of a polymer

#23
20210380409
2021-12-09

PROCESS FOR SEPARATION OF HYDROGEN AND OXYGEN PRODUCED FROM PHOTOCATALYTIC WATER SPLITTING BY ABSORPTION

#24
20210363443
2021-11-25

Gas scrubbing process for purifying raw synthesis gas by physical absorption in methanol

#25
20210323819
2021-10-21

PROCESS AND APPARATUS FOR REMOVAL OF METAL CARBONYLS FROM A GAS MIXTURE

#26
20210269728
2021-09-02

Process and plant for producing a plurality of gas products from shifted and unshifted crude synthesis gas

#27
20210260521
2021-08-26

Process and plant for purifying crude synthesis gas

#28
20210214218
2021-07-15

Method and apparatus for separating a synthesis gas by cryogenic distillation

#29
20210106943
2021-04-15

Method for recovering COin the Rectisol process and recovery system

#30
20210071090
2021-03-11

Process and plant for separation of concomitants from a raw synthesis gas stream and for producing a sulfur-free by-product

#31
20210053828
2021-02-25

Hydrogen sulfide production method and sulfur recovery method

#32
20210008490
2021-01-14

Process for aftertreatment of regeneration offgas

#33
20200407221
2020-12-31

Process and plant for removal of acidic gas constituents from synthesis gas containing metal carbonyls

#34
20200360855
2020-11-19

Process of improved sulfur capture from a syngas mixture

#35
20200346163
2020-11-05

COST-EFFECTIVE GAS PURIFICATION METHODS AND SYSTEMS BY MEANS OF EJECTORS

#36
20200346133
2020-11-05

Plant and process for separating sulfur-containing components from laden methanol

#37
20200339418
2020-10-29

Absorber column and process for cleaning crude synthesis gas

#38
20200324242
2020-10-15

Smoke capturing system and method

#39
20200290871
2020-09-17

Process for separation of hydrogen and oxygen produced from photocatalytic water splitting by absorption

#40
20200269185
2020-08-27

Chemical sequestering of CO2, NOx and SO2

#41
20200238213
2020-07-30

Absorption column having external heat exchange circuit

#42
20200188838
2020-06-18

PROCESS AND APPARATUS FOR REGENERATION OF A LADEN SCRUBBING MEDIUM FROM A GAS SCRUBBING

#43
20200101415
2020-04-02

Process for purifying crude synthesis gas to produce an acid gas and acid gas separator

#44
20200087143
2020-03-19

Plant and method for generation of synthesis gas

#45
20200070087
2020-03-05

Process and apparatus for removal of metal carbonyls from crude synthesis gas

#46
20190352177
2019-11-21

INTEGRATED SYSTEM AND METHOD FOR REMOVING ACID GAS FROM A GAS STREAM

#47
20190308877
2019-10-10

Method and plant for generation of synthesis gas

#48
20190224614
2019-07-25

Combined acidic gas capture and water extraction process

#49
20190099707
2019-04-04

Combined condensing direct-contact exchange and separations

#50
20190046921
2019-02-14

Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG)

#51
20180339902
2018-11-29

SYSTEMS AND METHODS FOR WATER GAS SHIFT WITH REDUCED STEAM CONSUMPTION

#52
20180327263
2018-11-15

Process and apparatus for treating a sour synthesis gas

#53
20180326353
2018-11-15

Emissions reduction for CO2 capture

#54
20180265795
2018-09-20

Method of preparing natural gas to produce liquid natural gas (LNG)

#55
20180214818
2018-08-02

Cooling methanol vapour chamber for fuel gas

#56
20180169570
2018-06-21

Use of expansion machines in gas scrubbers

#57
20180142175
2018-05-24

FOAM CONTROL OF GAS SWEETENING PROCESSES

#58
20180117526
2018-05-03

Method and apparatus for treating offgases in a acetic acid production unit

#59
20180105754
2018-04-19

Electrolyzed water-amine compositions and methods of use

#60
20180056230
2018-03-01

PROCESS AND APPARATUS FOR EFFECTIVE STRIPPING OF PARTLY LADEN SCRUBBING MEDIUM IN PHYSICAL GAS SCRUBBING OPERATIONS

#61
20180028961
2018-02-01

Process and plant for the purification of raw gases by means of physical gas scrubbing

#62
20170361265
2017-12-21

Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas

#63
20170361264
2017-12-21

Process and plant for the purification of raw synthesis gas

#64
20170334718
2017-11-23

Integrated system and method for removing acid gas from a gas stream

#65
20170209826
2017-07-27

Arrangement and process for recovery of carbon dioxide from gas using an absorption tank housing and agitator

#66
20170122659
2017-05-04

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#67
20170065929
2017-03-09

HYDROGEN SULFIDE SCRUBBER SYSTEMS AND METHODS

#68
20170051218
2017-02-23

Process for desulphurizing a gas mixture

#69
20170022057
2017-01-26

PROCESS FOR GENERATING SYNGAS FROM A CO2-RICH HYDROCARBON-CONTAINING FEED GAS

#70
20160369674
2016-12-22

Integrated process for COcapture and use in thermal power production cycle

#71
20160312137
2016-10-27

Method and device for separating synthesis gas

#72
20160296878
2016-10-13

Sour syngas treatment apparatuses and processes for treating sour syngas comprising sulfur components and carbon dioxide

#73
20160289571
2016-10-06

Electrolized water—amine compositions and methods of use

#74
20160199773
2016-07-14

Method and device for sour gas scrubbing

#75
20160193560
2016-07-07

Optimization of stripper feed configuration for rich/lean solvent regeneration

#76
20160184767
2016-06-30

Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas

#77
20160059177
2016-03-03

Methanol carbonylation system with multiple absorber feed options

#78
20150376527
2015-12-31

CO2 CAPTURE FROM CO2-RICH NATURAL GAS

#79
20150367283
2015-12-24

Emissions reduction for COcapture

#80
20150352483
2015-12-10

Method and device for generating fuel for a gas turbine

#81
20150290580
2015-10-15

METHOD FOR SELECTIVE ABSORPTION OF HYDROGEN SULFIDE FROM A GASEOUS EFFLUENT COMPRISING CARBON DIOXIDE USING AN AMINE-BASED ABSORBENT SOLUTION COMPRISING A VISCOSIFYING AGENT

#82
20150273386
2015-10-01

Method and apparatus for removing absorbable gases from pressurized industrial gases contaminated with absorbable gases, without supplying cooling energy

#83
20150251129
2015-09-10

Method and device for stripping a gas from a gas mixture using a venturi ejector

#84
20150174521
2015-06-25

METHOD OF OPERATING A GAS SCRUB AND GAS SCRUB

#85
20150168055
2015-06-18

Multi-stage temperature based separation of gas impurities

#86
20150165366
2015-06-18

Method for selectively desulfurizing a crude synthesis gas

#87
20150078973
2015-03-19

Heat recovery in absorption and desorption processes

#88
20150031926
2015-01-29

METHODS FOR LIQUID-PHASE REACTIONS

#89
20150000525
2015-01-01

Apparatuses and methods for removing acid gas from sour gas

#90
20140348741
2014-11-27

Process and apparatus for treating a sulphur-containing off-gas from a sulphur recovery system

#91
20140200373
2014-07-17

Formate based heat stable salt mitigation in physical solvent acid gas absorption processes

#92
20140190350
2014-07-10

Method and device for obtaining gas products

#93
20140154143
2014-06-05

Method and an apparatus for performing an energy efficient desulphurization and decarbonisation of a flue gas

#94
20140137597
2014-05-22

Process and apparatus for cooling and compressing a wet gas rich in carbon dioxide

#95
20140112855
2014-04-24

Separation of components from a gas mixture

#96
20140090556
2014-04-03

Method and system for gas purification with first direct absorption step and second absorption step by means of membrane contactor

#97
20140080071
2014-03-20

Method and device for cleaning an industrial waste gas comprising CO

#98
20130272938
2013-10-17

Method and an apparatus for performing an energy efficient desulphurization and decarbonisation of a flue gas

#99
20130251600
2013-09-26

Emissions reduction for COcapture

#100
20130056677
2013-03-07

Claus hydrocarbon destruction via staged solvent regeneration

#101
20130055729
2013-03-07

Configurations and methods for high pressure acid gas removal in the production of ultra-low sulfur gas

#102
20130008800
2013-01-10

Carbon dioxide capture and conversion to organic products

#103
20120230895
2012-09-13

SOUR NATURAL GAS SPARGER

#104
20120227440
2012-09-13

System And Process For The Physical Absorption of Carbon Dioxide From a Flue Gas Stream

#105
20120214881
2012-08-23

Two-stage gas washing method

#106
20120202897
2012-08-09

METHOD OF PURIFYING A GAS

#107
20120202721
2012-08-09

Electrolyzed water—amine compositions and methods of use

#108
20120186296
2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#109
20120090464
2012-04-19

Capturing Carbon Dioxide From High Pressure Streams

#110
20120073435
2012-03-29

GAS SCRUBBING AND METHOD FOR OPERATION THEREOF

#111
20110259197
2011-10-27

System for gas purification and recovery with multiple solvents

#112
20110214535
2011-09-08

System and method of carbon capture and sequestration, environmental remediation, and metals recovery

#113
20110060173
2011-03-10

Methods and assemblies for liquid-phase reactions

#114
20100278711
2010-11-04

Removal of carbon dioxide from a feed gas

#115
20090270651
2009-10-29

Methanol carbonylation system having absorber with multiple solvent options