ClassID:

30275

B01D2251/40 - CPC Classification

Classification description:

Reactants Alkaline earth metal or magnesium compounds

Sub-classes:
Recent Application in this class:
#1
20260145133
2026-05-28

ATMOSPHERIC CARBON DIOXIDE CAPTURE SYSTEM

#2
20250367597
2025-12-04

Method and Integrated System for Capturing Carbon

#3
20250242302
2025-07-31

CARBON DIOXIDE IMMOBILIZATION SYSTEM AND CARBON DIOXIDE IMMOBILIZATION METHOD

#4
20240246029
2024-07-25

DECENTRALIZED CARBON NEGATIVE ELECTRICITY GENERATION ON DEMAND WITH NO AIR AND WATER POLLUTION

#5
20230025143
2023-01-26

GAS-PERMEABLE ELEMENT FOR A RECEPTACLE

#6
20210031938
2021-02-04

Inert gas system and method

#7
20190314762
2019-10-17

Moisture swing carbon dioxide enrichment process

#8
20190282958
2019-09-19

Exhaust gas pollution reduction

#9
20190275463
2019-09-12

Low pressure drop static mixing system

#10
20190015779
2019-01-17

Cement kiln exhaust gas pollution reduction

#11
20180354807
2018-12-13

Carbon dioxide removal using lithium borate

#12
20180244523
2018-08-30

Production of hyperpolarized gas

#13
20180117598
2018-05-03

Method to reduce mercury, acid gas, and particulate emissions

#14
20180099245
2018-04-12

Gas denitration process and apparatus

#15
20180036688
2018-02-08

Separation of gases using reactive adsorbents and membranes

#16
20170065933
2017-03-09

Cement kiln exhaust gas pollution reduction

#17
20170022141
2017-01-26

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

#18
20170001142
2017-01-05

System for the capture and release of acid gases

#19
20160303513
2016-10-20

Moisture swing carbon dioxide enrichment process

#20
20160301099
2016-10-13

Carbon dioxide composite getter

#21
20160263585
2016-09-15

Method to reduce mercury, acid gas, and particulate emissions

#22
20160220954
2016-08-04

Low temperature urea-Scr operation in the presence of high sulphur flue gas

#23
20160144316
2016-05-26

Low pressure drop static mixing system

#24
20160096139
2016-04-07

Exhaust gas purification device and COrecovery system

#25
20160067651
2016-03-10

Device for removing impurities from water-containing gas and impurities removal system

#26
20160059186
2016-03-03

Impurities removal system

#27
20160016108
2016-01-21

Carbon dioxide capture apparatus

#28
20150050202
2015-02-19

Method to reduce mercury, acid gas, and particulate emissions

#29
20150007727
2015-01-08

Carbon dioxide separation using adsorption with steam regeneration

#30
20140370289
2014-12-18

Methods and active materials for reducing halide concentration in gas streams

#31
20140205520
2014-07-24

Leaching of minerals and sequestration of CO

#32
20140134086
2014-05-15

Method and multi-component nozzle for reducing unwanted substances in a flue gas

#33
20140065025
2014-03-06

Gas stream purification apparatus

#34
20140060323
2014-03-06

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

#35
20130291725
2013-11-07

Cement kiln exhaust gas pollution reduction

#36
20130263927
2013-10-10

Method and device for ammonia storage and delivery using in-situ re-saturation of a delivery unit

#37
20130213396
2013-08-22

Device and method for depleting acidic gases from gas mixtures

#38
20130193375
2013-08-01

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

#39
20130139696
2013-06-06

Multi-directional outlet transition and hood

#40
20120230897
2012-09-13

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

#41
20120128559
2012-05-24

CO—capture in molten salts

#42
20110240916
2011-10-06

NON-CEMENTITIOUS COMPOSITIONS COMPRISING CO2 SEQUESTERING ADDITIVES

#43
20110217218
2011-09-08

Systems and Methods for Acid Gas Removal

#44
20110214535
2011-09-08

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

#45
20110185899
2011-08-04

Methods for Abatement of Arsenic and Phosphorous Contaminants From Fuel Gases Prior to Gasification

#46
20110091366
2011-04-21

NEUTRALIZATION OF ACID AND PRODUCTION OF CARBONATE-CONTAINING COMPOSITIONS

#47
20110081288
2011-04-07

Method for enhancing a gas liquid contactor

#48
20110072968
2011-03-31

Method of separating at least two fluids with an apparatus

#49
20110064634
2011-03-17

Removing Carbon Dioxide From Gaseous Emissions

#50
20110061531
2011-03-17

Method of processing gas phase molecules by gas-liquid contact

#51
20110061530
2011-03-17

Method of processing molecules with a gas-liquid contactor

#52
20100320294
2010-12-23

Gas liquid contactor and effluent cleaning system and method

#53
20100319539
2010-12-23

Gas liquid contactor and effluent cleaning system and method

#54
20100279848
2010-11-04

Preparation method for anion-exchangeable, layered double hydroxides

#55
20100258006
2010-10-14

Method of reducing an amount of mercury in a flue gas

#56
20100239487
2010-09-23

NON-CEMENTITIOUS COMPOSITIONS COMPRISING CO2 SEQUESTERING ADDITIVES

#57
20100205856
2010-08-19

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

#58
20100111810
2010-05-06

Non-cementitious compositions comprising COsequestering additives

#59
20100089231
2010-04-15

Gas-liquid contactor apparatus and nozzle plate

#60
20100055015
2010-03-04

Low temperature mercury control process

#61
20100040520
2010-02-18

Carbon Dioxide Separation Via Partial Pressure Swing Cyclic Chemical Reaction

#62
20100011956
2010-01-21

Gas liquid contactor and effluent cleaning system and method

#63
20090320683
2009-12-31

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

#64
20090263301
2009-10-22

Apparatus and method to sequester contaminants

#65
20090162268
2009-06-25

Carbon Dioxide Separation Via Partial Pressure Swing Cyclic Chemical Reaction

#66
20090158929
2009-06-25

Method of reducing an amount of mercury in a flue gas

#67
20090148368
2009-06-11

Air pollution control

#68
20090113881
2009-05-07

WET TYPE SCRUBBER FOR EXHAUST GAS AND METHOD OF OPERATION

#69
20080277319
2008-11-13

FINE PARTICLE CARBON DIOXIDE TRANSFORMATION AND SEQUESTRATION

#70
20080241037
2008-10-02

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

#71
20080182747
2008-07-31

Special formulations for the removal of mercury and other pollutants present in combustion gases

#72
20080178736
2008-07-31

Feed gas contaminant removal in ion transport membrane systems

#73
20080006157
2008-01-10

Activated carbon for odor control

#74
20070186769
2007-08-16

Equipment and method for removing nitrogen oxide

#75
20060239878
2006-10-26

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

#76
20060179825
2006-08-17

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

#77
20060162558
2006-07-27

Activated carbon for odor control and method for making same

#78
20060081128
2006-04-20

Modular adsorbent filters

#79
20060032373
2006-02-16

Method for removing harmful substance in vent gas

#80
20060032372
2006-02-16

Grooved active and passive adsorbent filters

#81
20060032371
2006-02-16

Adsorbent breather filter

#82
20050244319
2005-11-03

Air pollution control

#83
20050223584
2005-10-13

Device for absorbing water vapour

#84
20050217488
2005-10-06

Adsorption filter and manufacturing method thereof

#85
20050139078
2005-06-30

Filter constructions containing breather and recirculation filter elements

#86
20050139077
2005-06-30

Dual diffusion channel filter

#87
20050100492
2005-05-12

Vehicle having atmosphere pollutant treating surface

#88
20050100491
2005-05-12

Activated carbon for odor control and method for making same

#89
20050089455
2005-04-28

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