ClassID:

30271

B01D2251/30 - CPC Classification

Classification description:

Reactants Alkali metal compounds

Sub-classes:
Recent Application in this class:
#1
20260151736
2026-06-04

BIPOLAR MEMBRANE ELECTRODIALYZER AND METHOD FOR OPERATING SAME

#2
20250339814
2025-11-06

METHOD AND COMPOSITION FOR CARBON CAPTURE AND STORAGE

#3
20250262590
2025-08-21

SYSTEM FOR CAPTURING AND RECYCLING CARBON DIOXIDE AND PROCUCING HYDROGEN FOR CEMENT MANUFACTURING FACILITY

#4
20250161875
2025-05-22

SYSTEM AND METHOD FOR CAPTURE AND UTILIZATION OF CARBON DIOXIDE FROM DILUTE FLUID STREAMS

#5
20250099870
2025-03-27

METHOD AND DEVICE FOR REDUCING THE INCREASE IN TEMPERATURE AT THE SURFACE OF THE TERRESTRIAL GLOBE, VEHICLE AND STATION FOR IMPLEMENTING SAID METHOD

#6
20250058273
2025-02-20

METHODS OF CARBON DIOXIDE REMOVAL IN FRESHWATER

#7
20240001281
2024-01-04

IMPROVED MATERIALS FOR DIRECT AIR CAPTURE AND USES THEREOF

#8
20230264178
2023-08-24

PROPANE GAS REMOVAL MATERIAL

#9
20230114236
2023-04-13

INDUSTRIAL SOLID WASTE INCINERATOR AND FLUE GAS TREATMENT APPARATUS

#10
20220062786
2022-03-03

Method and device for reducing the increase in temperature at the surface of the terrestrial globe, vehicle and station for implementing said method

#11
20210205866
2021-07-08

Spent activated carbon and industrial by product treatment system and method

#12
20210031938
2021-02-04

Inert gas system and method

#13
20190314762
2019-10-17

Moisture swing carbon dioxide enrichment process

#14
20190275463
2019-09-12

Low pressure drop static mixing system

#15
20190038859
2019-02-07

Anesthetic circuit having a hollow fiber membrane

#16
20180264404
2018-09-20

Methods and systems for improving the energy efficiency of carbon dioxide capture

#17
20180127272
2018-05-10

Removal of moisture from hydrazine

#18
20180117598
2018-05-03

Method to reduce mercury, acid gas, and particulate emissions

#19
20180099245
2018-04-12

Gas denitration process and apparatus

#20
20180036688
2018-02-08

Separation of gases using reactive adsorbents and membranes

#21
20180002240
2018-01-04

Sustainable supply of recipe components for ceramic composites produced by hydrothermal liquid phase sintering

#22
20170333826
2017-11-23

Process for removing and recovering HS from a gas stream by cyclic adsorption

#23
20170291139
2017-10-12

Carbonation of metal silicates for long-term COsequestration

#24
20170256812
2017-09-07

Carbon dioxide trapping device and method capable of producing electricity

#25
20170232383
2017-08-17

Materials for moisture removal and water harvesting from air

#26
20170165633
2017-06-15

Coated nanoclusters for carbon dioxide adsorption

#27
20170136408
2017-05-18

Treatment process of gas containing zero-valent mercury and mercury separation system

#28
20170022141
2017-01-26

Process for cleaning carbon dioxide-containing process gases from the preparation of vinyl acetate

#29
20170001142
2017-01-05

System for the capture and release of acid gases

#30
20160303513
2016-10-20

Moisture swing carbon dioxide enrichment process

#31
20160301099
2016-10-13

Carbon dioxide composite getter

#32
20160263585
2016-09-15

Method to reduce mercury, acid gas, and particulate emissions

#33
20160250582
2016-09-01

Single compression system and process for capturing carbon dioxide

#34
20160236137
2016-08-18

Multi-compression system and process for capturing carbon dioxide

#35
20160166971
2016-06-16

Exhaust treatment apparatus and container apparatus

#36
20160144316
2016-05-26

Low pressure drop static mixing system

#37
20160082383
2016-03-24

Regenerable sorbent COscrubber for submarine vessels

#38
20160059186
2016-03-03

Impurities removal system

#39
20160058021
2016-03-03

Method for maturing meat

#40
20160016108
2016-01-21

Carbon dioxide capture apparatus

#41
20150283518
2015-10-08

Copolymer and carbon dioxide gas separation membrane

#42
20150174527
2015-06-25

Exhaust gas processing apparatus

#43
20150157980
2015-06-11

Acidic gas separation module, and method for manufacturing acidic gas separation module

#44
20150147253
2015-05-28

WASHING SOLUTION FOR THE ABSORPTION OF CARBON DIOXIDE WITH REDUCED FORMATION OF NITROSAMINES

#45
20150132195
2015-05-14

System for absorbing and separating acid gases

#46
20150050202
2015-02-19

Method to reduce mercury, acid gas, and particulate emissions

#47
20150007727
2015-01-08

Carbon dioxide separation using adsorption with steam regeneration

#48
20140370289
2014-12-18

Methods and active materials for reducing halide concentration in gas streams

#49
20140348717
2014-11-27

Vacuum pump with abatement function

#50
20140301927
2014-10-09

Carbon dioxide capturing system and method of operating same

#51
20140205520
2014-07-24

Leaching of minerals and sequestration of CO

#52
20140174438
2014-06-26

Anesthetic circuit having a hollow fiber membrane

#53
20140065025
2014-03-06

Gas stream purification apparatus

#54
20140060323
2014-03-06

Systems and methods for exhaust gas cleaning and/or ballast water treatment

#55
20130259786
2013-10-03

APPARATUS AND METHOD FOR THE REMOVAL OF NITROGEN DIOXIDE FROM A FLUE GAS STREAM

#56
20130213231
2013-08-22

Flue gas scrubbing apparatus and methods thereof

#57
20130195742
2013-08-01

Mixed salt COsorbent, process for making and uses thereof

#58
20130193375
2013-08-01

Process for the removal of heat stable salts from acid gas absorbents

#59
20130098126
2013-04-25

Process and plant for removing acid gases

#60
20130028820
2013-01-31

Exhaust gas treating apparatus and treating method for carbon dioxide capture process

#61
20120230897
2012-09-13

Method for recovering COby means of CaO and the exothermic reduction of a solid

#62
20120145527
2012-06-14

CONTINUOUS DECHLORINATION PROCESS AND EQUIPMENT

#63
20120128571
2012-05-24

Carbonation of metal silicates for long-term CO2 sequestration

#64
20120128559
2012-05-24

CO—capture in molten salts

#65
20120107205
2012-05-03

High pressure reduction-oxidation desulfurization process

#66
20110281318
2011-11-17

METHOD AND APPARATUS FOR TREATING AN OFF-GAS STREAM

#67
20110277490
2011-11-17

Method and System for Improved-Efficiency Air-Conditioning

#68
20110217218
2011-09-08

Systems and Methods for Acid Gas Removal

#69
20110214535
2011-09-08

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

#70
20110209497
2011-09-01

System of carbon capture and sequestration

#71
20110158878
2011-06-30

Method and device for processing exhaust gas

#72
20110135551
2011-06-09

CARBON DIOXIDE CAPTURE AND RELATED PROCESSES

#73
20110131937
2011-06-09

ABSORPTIVE DEVICE TO CARBON DIOXIDE IN THE AIR

#74
20110081288
2011-04-07

Method for enhancing a gas liquid contactor

#75
20110072968
2011-03-31

Method of separating at least two fluids with an apparatus

#76
20110061531
2011-03-17

Method of processing gas phase molecules by gas-liquid contact

#77
20110061530
2011-03-17

Method of processing molecules with a gas-liquid contactor

#78
20110014104
2011-01-20

Redox method for capture of total gaseous mercury by wet FGD

#79
20110011799
2011-01-20

Process for removing sulfide from alkaline washing liquids

#80
20100320294
2010-12-23

Gas liquid contactor and effluent cleaning system and method

#81
20100319539
2010-12-23

Gas liquid contactor and effluent cleaning system and method

#82
20100258006
2010-10-14

Method of reducing an amount of mercury in a flue gas

#83
20100205856
2010-08-19

METHOD OF PRODUCING SYNTHETIC FUELS AND ORGANIC CHEMICALS FROM ATMOSPHERIC CARBON DIOXIDE

#84
20100092359
2010-04-15

Method for capturing COfrom exhaust gas

#85
20100089231
2010-04-15

Gas-liquid contactor apparatus and nozzle plate

#86
20100084256
2010-04-08

System and method of carbon capture and sequestration

#87
20100051859
2010-03-04

Carbon Dioxide Capture and Related Processes

#88
20100040520
2010-02-18

Carbon Dioxide Separation Via Partial Pressure Swing Cyclic Chemical Reaction

#89
20100024642
2010-02-04

Filter for removing a sulfur-containing-gas and method for removing a sulfur-containing-gas using the same

#90
20100011956
2010-01-21

Gas liquid contactor and effluent cleaning system and method

#91
20090320683
2009-12-31

High efficiency, non-toxic scrubbing system and method for removing carbon dioxide from a gas

#92
20090263301
2009-10-22

Apparatus and method to sequester contaminants

#93
20090162268
2009-06-25

Carbon Dioxide Separation Via Partial Pressure Swing Cyclic Chemical Reaction

#94
20090158929
2009-06-25

Method of reducing an amount of mercury in a flue gas

#95
20090133577
2009-05-28

Salt drying process

#96
20090113881
2009-05-07

WET TYPE SCRUBBER FOR EXHAUST GAS AND METHOD OF OPERATION

#97
20080255401
2008-10-16

Processing Apparatus, Processing Method and Method of Processing Innoxious Object

#98
20080241037
2008-10-02

Method and system of controlling sulfur oxides in flue gas from coal or oil-fired boilers

#99
20080236389
2008-10-02

Impregnated Monoliths

#100
20080178736
2008-07-31

Feed gas contaminant removal in ion transport membrane systems

#101
20080112868
2008-05-15

Carbonation of metal silicates for long-term COsequestration

#102
20070259781
2007-11-08

Chemical formulations for removal of hazardous pollutants from combustion gases

#103
20070186769
2007-08-16

Equipment and method for removing nitrogen oxide

#104
20060239878
2006-10-26

Process for removing sulfur dioxide and nitrogen oxides from flue gas using chlorine dioxide

#105
20060179825
2006-08-17

Integrated NOx and PM reduction devices for the treatment of emissions from internal combustion engines

#106
20060081128
2006-04-20

Modular adsorbent filters

#107
20060032373
2006-02-16

Method for removing harmful substance in vent gas

#108
20060032372
2006-02-16

Grooved active and passive adsorbent filters

#109
20060032371
2006-02-16

Adsorbent breather filter

#110
20050139078
2005-06-30

Filter constructions containing breather and recirculation filter elements

#111
20050139077
2005-06-30

Dual diffusion channel filter

#112
20050095468
2005-05-05

Fluid cleaner and fuel-cell generator

#113
20050089455
2005-04-28

Gas-using facility including portable dry scrubber system and/or over-pressure control arrangement

#114
17738838
2023-07-25

Reactive byproduct treatment in gas generators