ClassID:

30491

B01D2257/302 - CPC Classification

Classification description:

Components to be removed; Sulfur compounds Sulfur oxides

Recent Application in this class:
#1
20260151732
2026-06-04

PROCESS FOR USING FOSSIL FUEL TO PRODUCE ENERGY WITH NET ZERO CARBON EMISSIONS, CCS SYSTEM AND BLUE CARBON POWER STATION

#2
20260151731
2026-06-04

CARBON DIOXIDE PIPELINE ADDITIVES

#3
20260145130
2026-05-28

CARBON CAPTURE DEVICE

#4
20260138084
2026-05-21

PROTECTIVE SULFUR REMOVAL SYSTEM FOR ENHANCED METHANE SLIP CATALYSTS IN SULFUR-CONTAINING EXHAUST

#5
20260138072
2026-05-21

MULTI-PELLET PACKED BED TECHNOLOGY

#6
20260124602
2026-05-07

ORGANIC MATTER DECOMPOSITION CATALYST, HONEYCOMB STRUCTURE, METHOD FOR DECOMPOSING ORGANIC MATTER, AND ORGANIC MATTER DECOMPOSITION DEVICE

#7
20260108865
2026-04-23

GAS CAPTURE USING POLYMERIC PARTICLES

#8
20260097360
2026-04-09

METHODS AND SYSTEMS FOR COLLABORATIVE PREDICTION AND INTELLIGENT CONTROL OF MULTIPLE POLLUTANTS IN WASTE INCINERATION FLUE GAS

#9
20260084105
2026-03-26

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#10
20260077299
2026-03-19

GAS SEPARATION MEMBRANES, METHODS OF PREPARING MEMBRANES, AND METHODS OF SEPARATING GASES

#11
20260077296
2026-03-19

COMPLETE CONVERSION OF SULFUR DIOXIDE TO SULFURIC ACID BY AQUEOUS ACID ABSORPTION

#12
20260071342
2026-03-12

SYSTEM AND METHOD FOR PRODUCTION OF A FUEL FROM A CO2-RICH FLUE GAS

#13
20260054218
2026-02-26

SEPARATION OF CARBON DIOXIDE AND OTHER ACID GASES FROM FLUE GAS USING PHYSICAL SOLVENTS AND ALKALI

#14
20260048996
2026-02-19

METHODS OF MANUFACTURE AND USE OF CALCIUM HYDROXIDE GRANULES FOR CARBON DIOXIDE CAPTURE

#15
20260042062
2026-02-12

PLANT AND METHOD FOR THE PURIFICATION OF FUMES AND RECOVERY OF SECONDARY RAW MATERIAL

#16
20260042058
2026-02-12

METHOD AND SYSTEM FOR TREATING SULFUR DIOXIDE CONTAINING STREAM BY CATALYTIC OXIDATION AND ACID AQUEOUS ABSORPTION

#17
20260007998
2026-01-08

REGENERABLE SOLVENT MIXTURES FOR ACID-GAS SEPARATION

#18
20260002079
2026-01-01

METHODS FOR PRODUCING PETROLEUM COKE

#19
20260001025
2026-01-01

SORPTION FILTER ELEMENT, SORPTION FILTER CARTRIDGE, AND METHOD OF MANUFACTURING SORPTION FILTER ELEMENT

#20
20250381547
2025-12-18

APPARATUS, SYSTEM AND METHOD USING NONTHERMAL PLASMA

#21
20250367600
2025-12-04

Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same

#22
20250360457
2025-11-27

GAS TREATMENT METHOD AND GAS TREATMENT DEVICE

#23
20250360447
2025-11-27

FIBERBED MIST COLLECTOR WITH IMPROVED FILTERING

#24
20250332538
2025-10-30

AMMONIA-UTILIZING CARBON DIOXIDE CAPTURE WITH FLUE GAS DESULFURIZATION SYSTEM, AND METHOD

#25
20250313468
2025-10-09

TAIL GAS TREATMENT SYSTEM AND METHOD FOR A SULFURIC ACID PRODUCTION PLANT

#26
20250312730
2025-10-09

ACIDIC GAS ABSORBENTS COMPRISING IONIC LIQUIDS

#27
20250303361
2025-10-02

SYSTEM AND METHOD FOR OXIDATIVE ADSORPTION IN A MOVING BED REACTOR WITH REGENERATED ACTIVATED CARBON

#28
20250296042
2025-09-25

EXHAUST GAS TREATMENT APPARATUS, EXHAUST GAS TREATMENT METHOD, AND METHOD FOR PRODUCING SULFIDE COMPOUND

#29
20250276278
2025-09-04

CARBON DIOXIDE AND SULFUR OXIDE CAPTURE AND CARBON RESOURCE CONVERSION SYSTEM FOR INTEGRATED GASIFICATION COMBINED CYCLE

#30
20250276277
2025-09-04

MULTI-MODAL AIR PURIFICATION SYSTEM WITH DIFFERENT ABSORBERS FOR DIFFERENT LOADING REQUIREMENTS

#31
20250250174
2025-08-07

HYDROGENCARBONATE PRODUCING SYSTEM AND HYDROGENCARBONATE PRODUCING METHOD

#32
20250242341
2025-07-31

PREPARATION METHOD FOR ACTIVATED COKE CATALYST CAPABLE OF SIMULTANEOUSLY REMOVING NO, SO2 AND HCl

#33
20250229213
2025-07-17

ACID GAS ADSORPTION DEVICE

#34
20250214071
2025-07-03

LAYERED AND PARTITIONED CATALYST ARTICLE

#35
20250214024
2025-07-03

PRE-TREATMENT METHOD, CARBON DIOXIDE COLLECTION METHOD, AND DEVICE FOR EXECUTING THESE METHODS

#36
20250214021
2025-07-03

GAS FILTER SYSTEM

#37
20250196052
2025-06-19

FILTER BODY, FILTER ELEMENT, AND FILTER ASSEMBLY

#38
20250188353
2025-06-12

SYSTEMS AND METHODS FOR CAPTURING GREENHOUSE GASES FROM COKE PRODUCTION FACILITIES

#39
20250186971
2025-06-12

METAL ORGANIC FRAMEWORK

#40
20250179378
2025-06-05

CHEMICAL RECYCLING FACILITY WITH REDUCED WATER CONSUMPTION

#41
20250178900
2025-06-05

METHOD FOR MICROWAVE-ENHANCED CARBON REDUCTION OF WASTE SULFURIC ACID

#42
20250177906
2025-06-05

RECOVERY METHOD OF ABSORPTION SOLVENT WASTE LIQUID AND CO2 CAPTURE METHOD

#43
20250161864
2025-05-22

SYSTEM AND METHOD FOR TREATING COAL-FIRED FLUE GAS

#44
20250146152
2025-05-08

PROCESS FOR DIRECT CONVERSION OF FLUE GAS IN LOW-CARBON FUELS AND IRON-BASED CATALYSTS TO CARRY OUT SAME

#45
20250145902
2025-05-08

AQUEOUS SOLUTIONS AND METHODS OF USING SAME FOR REMEDIATING CONTAMINANTS IN CONTAMINATED GASSES

#46
20250144567
2025-05-08

CATALYST WITH REGULAR STRUCTURE AND PREPARATION METHOD THEREOF AND METHOD FOR SIMULTANEOUSLY REDUCING BOTH SOX AND NOX FROM FLUE GAS

#47
20250135433
2025-05-01

ADSORBENT AND METHOD FOR PRODUCING ADSORBENT

#48
20250135432
2025-05-01

Synthesis and application of citric acid based MOFs

#49
20250135400
2025-05-01

CRYOGENIC SEPARATION OF CARBON DIOXIDE, SULFUR OXIDES, AND NITROGEN OXIDES FROM FLUE GAS

#50
20250135399
2025-05-01

METHOD AND DEVICE FOR CONTROLLING AMMONIA ESCAPE AND SOLUBLE PARTICULATE MATTER WITH LOW ENERGY CONSUMPTION IN AN AMMONIA-BASED CARBON CAPTURE PROCESS

#51
20250108356
2025-04-03

All-in-on Getters

#52
20250099909
2025-03-27

FLUE GAS POLISHING SYSTEM

#53
20250091000
2025-03-20

System And Methods For Plasma-Based Remediation of SOx and NOx

#54
20250090993
2025-03-20

CARBON DIOXIDE AND SULFUR OXIDE CAPTURE AND CARBON RESOURCE CONVERSION SYSTEM FOR COAL-FIRED POWER GENERATION

#55
20250090992
2025-03-20

CONTAMINANT MANAGEMENT SYSTEM FOR CO2 CAPTURE SYSTEM

#56
20250089957
2025-03-20

VACUUM CLEANER

#57
20250073639
2025-03-06

PROCESS FOR SEPARATING A CARBON DIOXIDE PRODUCT STREAM FROM A FLUE GAS STREAM

#58
20250073635
2025-03-06

ENERGY EFFICIENT POST-COMBUSTION CO2 CAPTURING PROCESS USING IONIC LIQUID ABSORBENT

#59
20250065268
2025-02-27

Method And Apparatus For Removing A Target Substance From A Gas

#60
20250050265
2025-02-13

CARBON DIOXIDE SEPARATION APPARATUS

#61
20250043195
2025-02-06

OXYGEN FIRED FCC REGENERATOR WITH CO2 CAPTURE

#62
20250041803
2025-02-06

MOLECULAR FILTERS FOR SELECTIVE REMOVAL AND REPURPOSING OF GASEOUS FUMES AND EMISSIONS

#63
20250041798
2025-02-06

VERSATILE SCRUBBING LIQUID FOR REMOVAL OF CONTAMINANTS FROM A GASEOUS STREAM

#64
20250041789
2025-02-06

SIMULTANEOUS REMOVAL OF CARBON DIOXIDE, NOx and SOx USING SINGLE STAGE ABSORPTION COLUMN AND RELATED METHODS

#65
20250032981
2025-01-30

AIR FILTER AND FILTER MEDIA THEREOF

#66
20250032975
2025-01-30

ZERO-LIQUID DISCHARGE AMINE RECLAMATION PROCESS FOR CARBON CAPTURE AND OTHER ACID GAS RECOVERY

#67
20250032971
2025-01-30

CABIN AIR FILTER SYSTEM FOR A VEHICLE AND METHOD FOR CLEANING AIR SUPPLIED TO A VEHICLE CABIN

#68
20250032968
2025-01-30

CABIN AIR FILTER SYSTEM FOR A VEHICLE AND METHOD FOR CLEANING AIR SUPPLIED TO A VEHICLE CABIN

#69
20250025829
2025-01-23

Carbon Capture

#70
20250020870
2025-01-16

Carbon Sequestration Methods and Systems

#71
20240416327
2024-12-19

CATALYST FOR REDUCING SOX AND NOX IN FLUE GAS AND PREPARATION METHOD THEREOF, AND METHOD FOR REMOVING SOX AND NOX FROM FLUE GAS

#72
20240416282
2024-12-19

FLUE GAS CONDITIONING

#73
20240416281
2024-12-19

FLUE GAS CONDITIONING

#74
20240416279
2024-12-19

FLUE GAS CONDITIONING

#75
20240408541
2024-12-12

POLLUTANT REMOVAL APPARATUS AND METHOD

#76
20240401456
2024-12-05

Method for increasing production and injection of reservoir coupled with flue gas desulfurization and denitrification

#77
20240390838
2024-11-28

A system for reducing ammonium bisulfate blockage in air preheaters of coal-fired power plants

#78
20240375063
2024-11-14

FILTRATION MEMBRANE

#79
20240367101
2024-11-07

CARBON CAPTURE DEVICE

#80
20240350972
2024-10-24

Ship Based Carbon Capture, Systems and Methods of Use Thereof

#81
20240327232
2024-10-03

METHOD FOR THE PRODUCTION OF GRANULES COMPRISING A MAGNESIUM ION-COMPRISING MATERIAL

#82
20240326015
2024-10-03

GAS CAPTURE USING POLYMERIC PARTICLES

#83
20240307813
2024-09-19

METHODS AND SYSTEMS FOR THE REMOVAL OF IMPURITIES IN A FLUE GAS

#84
20240287928
2024-08-29

EXHAUST GAS AFTERTREATMENT SYSTEM

#85
20240286908
2024-08-29

PROCESS AND APPARATUS FOR SCRUBBING A GAS STREAM

#86
20240278164
2024-08-22

ROUND FILTER ELEMENT FOR FILTERING GASEOUS FLUID

#87
20240278163
2024-08-22

ROUND FILTER ELEMENT AND FILTER DEVICE

#88
20240278162
2024-08-22

ROUND FILTER ELEMENT AND FILTER DEVICE

#89
20240271046
2024-08-15

PROCESS FOR HYDROTREATING A FEED STREAM COMPRISING A BIORENEWABLE FEEDSTOCK WITH TREATMENT OF AN OFF-GAS STREAM

#90
20240269603
2024-08-15

Reinforced Adsorbent Fibers and Applications

#91
20240261727
2024-08-08

A PROCESS AND PLANT FOR CARBON EXTRACTION

#92
20240261722
2024-08-08

Zero-liquid discharge amine reclamation process for carbon capture and other acid gas recovery

#93
20240239454
2024-07-18

METHOD OF ASSEMBLING A VESSEL OVERBOARD DISCHARGE ASSEMBLY

#94
20240226808
2024-07-11

DETACHABLE CHEMICAL FILTERS

#95
20240226807
2024-07-11

ENERGY OPTIMIZATION IN COMBINED WASTE GAS TREATMENT AND CARBON CAPTURE SYSTEMS

#96
20240210066
2024-06-27

SYSTEM FOR DETECTING AND CLEANING AIR POLLUTION IN INDOOR SPACE WITH HEATING, VENTILATION AND AIR CONDITIONING

#97
20240189756
2024-06-13

SCRUBBER FOR HVAC SYSTEM

#98
20240166543
2024-05-23

METHODS OF SEAWATER SOFTENING FOR DESALINATION AND MINERAL EXTRACTION

#99
20240157287
2024-05-16

SCRUBBING FLUID AND METHODS FOR USING SAME

#100
20240139678
2024-05-02

FLUE GAS PURIFICATION SYSTEM FOR HAZARDOUS WASTE INCINERATION AND PURIFICATION METHOD

#101
20240139675
2024-05-02

ELECTROCHEMICAL CAPTURE OF LEWIS ACID GASES

#102
20240130371
2024-04-25

ENVIRONMENTAL PROTECTION SYSTEMS AND METHODS OF GREENHOUSE GAS CAPTURE VIA CALCIUM HYDROXIDE

#103
20240124992
2024-04-18

NOVEL NICKEL FOAM HAVING HIERARCHICAL PORE STRUCTURE, METHOD OF PRODUCING THE SAME, AND APPLICATION THEREOF

#104
20240123392
2024-04-18

METHOD AND SYSTEM FOR REDUCTION OF UNWANTED GASES IN INDOOR AIR

#105
20240113317
2024-04-04

FUEL CELL CHEMICAL FILTER MONITORING SYSTEM AND METHODS

#106
20240109034
2024-04-04

Plasma Treatment in Sulfur Recovery

#107
20240100579
2024-03-28

RESOURCE RECOVERY METHOD AND RESOURCE RECOVERY SYSTEM OF DESULFURIZED ASH

#108
20240091702
2024-03-21

CHEMICAL SEQUESTERING OF CO2, NOx and SO2

#109
20240091699
2024-03-21

SORPTION FILTER ELEMENT

#110
20240082815
2024-03-14

SYSTEM AND METHOD FOR FLUID CAPTURE USING A CROSS-LINKED BINDER

#111
20240033684
2024-02-01

TREATMENT OF ACID GASES USING MOLTEN ALKALI METAL BORATES, AND ASSOCIATED METHODS OF SEPARATION

#112
20240009618
2024-01-11

Apparatus and Method for Carbon Dioxide Recovery

#113
20240001283
2024-01-04

Carbon Dioxide Capture

#114
20230415123
2023-12-28

ARTICLES, SYSTEMS, AND METHODS INCLUDING ARTICLES WITH HALOGEN RESERVOIRS

#115
20230406700
2023-12-21

Processes and Systems for Upgrading a Hydrocarbon-Containing Feed

#116
20230405519
2023-12-21

DEVICE AND METHOD FOR CONTROLLING AMMONIA ESCAPE IN AMMONIA-BASED DECARBONIZATION SYSTEM

#117
20230398486
2023-12-14

ARTICLES, SYSTEMS, AND METHODS INCLUDING ARTICLES WITH HALOGEN RESERVOIRS

#118
20230390708
2023-12-07

CHARGED MEMBRANES INCORPORATED WITH POROUS POLYMER FRAMEWORKS

#119
20230390697
2023-12-07

COMPOSITE FOR ELECTROCHEMICAL GAS SEPARATION

#120
20230381712
2023-11-30

SYSTEM AND METHOD FOR SYNCHRONOUSLY RECOVERING NITROGEN AND CARBON DIOXIDE FROM BOILER FLUE GAS

#121
20230372867
2023-11-23

APPARATUS FOR REDUCING GREENHOUSE GAS EMISSION IN VESSEL AND VESSEL INCLUDING THE SAME

#122
20230364579
2023-11-16

ATOMIC LAYER DEPOSITION FOR MANUFACTURING WHETLERITE CARBONS

#123
20230364553
2023-11-16

COOLING APPARATUS AND METHOD FOR AMMONIA-BASED DECARBONIZATION

#124
20230360902
2023-11-09

PHOTOREACTOR AND SOURCE FOR GENERATING UV AND VUV

#125
20230356179
2023-11-09

COMBINED ADSORPTION AND CATALYSIS FOR CABIN AIR POLLUTION CONTROL

#126
20230356143
2023-11-09

AMMONIA-BASED CARBON DIOXIDE ABATEMENT SYSTEM AND METHOD, AND DIRECT CONTACT COOLER THEREFORE

#127
20230356137
2023-11-09

Air Conditioning and Filtration System

#128
20230355823
2023-11-09

DEVICE FOR GENERATING HYDROXYL RADICALS

#129
20230347281
2023-11-02

NATURAL GAS SWEETENING METHODS AND RELATED SYSTEMS

#130
20230338897
2023-10-26

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#131
20230321596
2023-10-12

METHOD FOR WET REMOVAL OF SULFUR DIOXIDE BY SILICATE BACTERIA-ENHANCED PULP

#132
20230321592
2023-10-12

SCRUBBER FOR WASHING EXHAUST FUMES GENERATED BY INTERNAL COMBUSTION ENGINES

#133
20230311057
2023-10-05

SYSTEM FOR CAPTURING CARBON DIOXIDE AND SULFUR OXIDES AND UTILIZING CARBON FOR SHIPS

#134
20230304684
2023-09-28

FRESH AIR VENTILATION DEVICE FOR AIR POLLUTION PREVENTION

#135
20230294489
2023-09-21

Smart multi-modal vehicular air filtering system and associated methods

#136
20230285896
2023-09-14

PLANT AND METHOD FOR CARRYING OUT AN ENDOTHERMIC CHEMICAL PROCESS AND FOR SEPARATING CARBON DIOXIDE FROM FLUE GAS PRODUCED IN THE PROCESS

#137
20230279333
2023-09-07

SYSTEM AND METHOD FOR BIOMASS GROWTH AND PROCESSING

#138
20230277984
2023-09-07

METHOD AND APPARATUS FOR CLEANING EXHAUST GAS

#139
20230271132
2023-08-31

ACIDIC GAS SEPARATION DEVICE, AIR PURIFIER, AIR CONDITIONER, AND ACIDIC GAS CONCENTRATION DEVICE

#140
20230265771
2023-08-24

SCRUBBER OUTLET ASSEMBLY

#141
20230243322
2023-08-03

Apparatus for reducing greenhouse gas emission in vessel cooperated with exhaust gas recirculation and vessel including the same

#142
20230243284
2023-08-03

Apparatus for reducing greenhouse gas emission in vessel cooperated with exhaust gas recirculation and intelligent control by exhaust recycling and vessel including the same

#143
20230241547
2023-08-03

REGENERABLE SOLVENT MIXTURES FOR ACID-GAS SEPARATION

#144
20230233988
2023-07-27

DEVELOPMENT OF THE ABSORPTION PROCESS IN THE DIFFERENT INDUSTRIES

#145
20230233976
2023-07-27

EXHAUST FAN FOR PREVENTING AIR POLLUTION

#146
20230226489
2023-07-20

CATALYTIC OXIDATION OF CARBON BLACK EXHAUST GAS

#147
20230226248
2023-07-20

PHOTOCATALYST FILTER AND ELECTRONIC DEVICE COMPRISING SAME

#148
20230219064
2023-07-13

EXHAUST GAS EMISSIONS ABATEMENT SYSTEM

#149
20230219037
2023-07-13

DESULFURIZATION AND SULFUR RECOVERY METHOD FOR SULFUR DIOXIDE FLUE GAS

#150
20230219036
2023-07-13

TREATMENT OF IMPURITIES IN PROCESS STREAMS

#151
20230211286
2023-07-06

SYSTEM AND METHOD FOR COOPERATIVELY TREATING WATER AND GAS TO REDUCE POLLUTANTS AND CARBON EMISSION

#152
20230191323
2023-06-22

Air filter and filter media thereof

#153
20230182115
2023-06-15

SORBENT POLYMER COMPOSITES INCLUDING PHOSPHONIUM HALIDES, FLUE GAS TREATMENT DEVICES AND FLUE GAS TREATMENT METHODS UTILIZING THE SAME

#154
20230163335
2023-05-25

Integrated production of hydrogen, electricity, and heat

#155
20230158449
2023-05-25

DRY SORBENT INJECTION WITH RECIRCULATION

#156
20230149892
2023-05-18

Composite material and use thereof in desulfurization

#157
20230149891
2023-05-18

Molecular sieve complex, composite material and application thereof

#158
20230149848
2023-05-18

EFFICIENT USE OF ADSORBENTS FOR INDOOR AIR SCRUBBING

#159
20230142047
2023-05-11

Apparatus for manipulating crystal morphology to achieve stable fluidization

#160
20230110965
2023-04-13

Process for hydrotreating a feed stream comprising a biorenewable feedstock with treatment of an off-gas stream

#161
20230046206
2023-02-16

System and method for resource recycling of sulfur dioxide

#162
20230012031
2023-01-12

METHODS AND SYSTEMS FOR PROVIDING CORROSION RESISTANT SURFACES IN CONTAMINANT TREATMENT SYSTEMS

#163
20230011904
2023-01-12

Porous Solid Amine Adsorbents and Applications

#164
20230008877
2023-01-12

Modular Adsorbent Devices and Applications

#165
20220412556
2022-12-29

SYSTEM AND METHOD FOR DESULFURIZING AND DECARBONIZING FLUE GAS

#166
20220402840
2022-12-22

Process For Treating A Gas Stream From Plastic Pyrolisis And/Or Biomass Pyrolisis, And Installation For Integration Into A Steam Cracker

#167
20220387979
2022-12-08

Catalyst for removal of sulphur oxides from flue gases of power plants

#168
20220379261
2022-12-01

SO2 ADSORPTION MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF, AND METHOD FOR REMOVING SO2 FROM FLUE GAS CONTAINING SO2

#169
20220370946
2022-11-24

AIR POLLUTION PREVENTION DEVICE FOR BABY CARRIAGE

#170
20220355243
2022-11-10

Synergetic system and method for waste treatment

#171
20220339580
2022-10-27

COLLECTION AND SEPARATION SYSTEMS AND METHODS OF USE THEREOF AND ISOTOPE ANALYSIS SYSTEMS AND METHODS OF USE THEREOF

#172
20220339471
2022-10-27

MULTI-LAYER FILTRATION SYSTEM AND FILTER UNIT COMPRISING SAME

#173
20220306536
2022-09-29

Red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and environment-friendly and high performance civil functional material

#174
20220285712
2022-09-08

Integrated production of hydrogen, electricity, and heat

#175
20220274058
2022-09-01

Purification composition, method for producing purification composition and method for purifying flue gas by purification composition

#176
20220274057
2022-09-01

Desulfurization and denitration method using chlorine dioxide

#177
20220274049
2022-09-01

Chemical sequestering of CO, NOand SO

#178
20220258099
2022-08-18

PERFORATED SORBENT POLYMER COMPOSITE SHEETS FOR ENHANCED MASS TRANSPORT

#179
20220258098
2022-08-18

Treatment of acid gases using molten alkali metal borates, and associated methods of separation

#180
20220258096
2022-08-18

Method and process for capturing carbon dioxide from marine engines

#181
20220241723
2022-08-04

Method of reducing carbon dioxide and air pollutants

#182
20220226769
2022-07-21

GAS TREATMENT METHOD, AND GAS TREATMENT DEVICE

#183
20220219113
2022-07-14

Scrubbing fluid and methods for using same

#184
20220203300
2022-06-30

METHOD FOR CLEANING SULFUROUS CORROSIVE PROCESS GASES

#185
20220203298
2022-06-30

Cryogenic separation of carbon dioxide, sulfur oxides, and nitrogen oxides from flue gas

#186
20220194794
2022-06-23

Process for managing hydrogen sulfide in a refinery

#187
20220194183
2022-06-23

Method of air pollution filtration in vehicle

#188
20220184548
2022-06-16

Purification of gases containing sulfur compounds

#189
20220176315
2022-06-09

Method and installation for removing a gas from a flow of a gas mixture

#190
20220152554
2022-05-19

Method for scrubbing exhaust gas from CO and/or SO

#191
20220152553
2022-05-19

Systems and methods for plasma-based remediation of SOand NO

#192
20220143573
2022-05-12

High mechanical strength sorbent product, system, and method for controlling multiple pollutants from process gas

#193
20220133936
2022-05-05

Flatulence cleaning apparatus

#194
20220105523
2022-04-07

HYDRATED LIME WITH REDUCED RESISTIVITY AND METHOD OF MANUFACTURE

#195
20220096997
2022-03-31

CHEMICAL SEQUESTERING OF CO2, NOX AND SO2

#196
20220088536
2022-03-24

Air filter and filter media thereof

#197
20220088531
2022-03-24

COMBUSTION SYSTEM INCORPORATING TEMPERATURE SWING ADSORPTIVE GAS SEPARATION

#198
20220048606
2022-02-17

Method and process for capturing carbon dioxide from marine engines

#199
20220048044
2022-02-17

System and method for integrated removal of multiple pollutants in flue gas with near-zero emission

#200
20220041529
2022-02-10

Propane/butane dehydrogenation complex with thermal oxidation system

#201
20220041527
2022-02-10

Naphtha complex with thermal oxidation system

#202
20220040634
2022-02-10

Method for desulphurizating and denitrating flue gas in integrated manner based on low-temperature adsorption

#203
20220040632
2022-02-10

Electrochemical capture of Lewis acid gases

#204
20220033722
2022-02-03

Renewable transportation fuel process with thermal oxidation system

#205
20220024797
2022-01-27

In-situ resource utilization-derived water purification and hydrogen and oxygen production

#206
20220017365
2022-01-20

Separation and concentration of nitrate from aqueous solutions and gaseous streams

#207
20220016305
2022-01-20

Indoor and outdoor nano air purifier and system comprising said purifier

#208
20210395465
2021-12-23

ABSORPTION AND FILTRATION MEDIA

#209
20210387122
2021-12-16

CATALYST-ADSORBENT FILTER FOR AIR PURIFICATION

#210
20210370261
2021-12-02

Biomass pyrolysis systems and methods for metal removal from biofuel

#211
20210356680
2021-11-18

Carbon sequestration methods and systems

#212
20210354086
2021-11-18

METHOD FOR SIMULTANEOUSLY REMOVING HIGH-LOAD SULFUR DIOXIDE AND NITROGEN OXIDE IN WASTE GAS

#213
20210354074
2021-11-18

ADSORPTIVE GAS SEPARATION EMPLOYING STEAM FOR REGENERATION

#214
20210340681
2021-11-04

Electrochemical system, apparatus and method to generate metal hydroxide in the presence of metal silicates

#215
20210331922
2021-10-28

Process for preparing sulfur from reduction of sulfate/ nitrate by iron-carbon and recovering desulfurization/ denitration agents

#216
20210331921
2021-10-28

System and method for recovering sulfur in copper smelting process

#217
20210322920
2021-10-21

Process for biogas upgradation

#218
20210319373
2021-10-14

Intelligent multi-pollutant ultra-low emission system and global optimization method thereof

#219
20210299609
2021-09-30

Carbon dioxide recovery system, thermal power generation facility, and carbon dioxide recovery method

#220
20210283545
2021-09-16

Method and system for reduction of unwanted gases in indoor air

#221
20210275964
2021-09-09

METHOD FOR CONTROLLING WET FLUE GAS DESULFURIZATION DEVICE, DEVICE FOR CONTROLLING WET FLUE GAS DESULFURIZATION DEVICE, AND REMOTE MONITORING SYSTEM COMPRISING DEVICE FOR CONTROLLING WET FLUE GAS DESULFURIZATION DEVICE

#222
20210268427
2021-09-02

Filter body, filter element, and filter assembly

#223
20210260519
2021-08-26

SCRUBBER FOR HVAC SYSTEM

#224
20210253966
2021-08-19

Device and method for desulfurizing natural gas

#225
20210252481
2021-08-19

PELLETS OF SORBENT SUITABLE FOR CARBON DIOXIDE CAPTURE

#226
20210252448
2021-08-19

Metal-organic frameworks for sorption and sensing applications

#227
20210230771
2021-07-29

APPARATUS FOR MANIPULATING CRYSTAL MORPHOLOGY TO ACHIEVE STABLE FLUIDIZATION

#228
20210205866
2021-07-08

Spent activated carbon and industrial by product treatment system and method

#229
20210198615
2021-07-01

System and method for biomass growth and processing

#230
20210178316
2021-06-17

Regenerable solvent mixtures for acid-gas separation

#231
20210170334
2021-06-10

System and method for desulfurization and denitrification of alumina calcination flue gas, and use

#232
20210140655
2021-05-13

Air handling system with integrated air treatment

#233
20210138401
2021-05-13

Treatment of acid gases using molten alkali metal borates and associated methods of separation

#234
20210138385
2021-05-13

Metal-organic frameworks containing metal-hydroxide moieties and methods of making and using thereof

#235
20210121858
2021-04-29

Catalyst for removal of sulphur oxides from flue gases of power plants

#236
20210114878
2021-04-22

Method for production of ammonium phosphate from phosphate rock slurry

#237
20210113960
2021-04-22

Acid gas treatment

#238
20210086130
2021-03-25

System and method for optimized operation of flue gas desulfurization unit

#239
20210084832
2021-03-25

Devices, systems and methods for enhanced biomass growth in greenhouses

#240
20210077950
2021-03-18

Method of processing sulfur-bearing wastes from refineries and upgraders

#241
20210073701
2021-03-11

OPERATION SUPPORT SYSTEM AND OPERATION SUPPORT METHOD FOR DESULFURIZATION APPARATUS

#242
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

#243
20210069642
2021-03-11

Multi-pollutant exhaust treatment using seawater for marine applications

#244
20210069640
2021-03-11

Calcium hydroxide-containing compositions and associated systems and methods

#245
20210060485
2021-03-04

Electrochemical capture of Lewis acid gases

#246
20210060477
2021-03-04

PRESSURE-SWING ADSORPTION PROCESS FOR SEPARATING ACID GASES FROM NATURAL GAS

#247
20210031938
2021-02-04

Inert gas system and method

#248
20210016226
2021-01-21

Gas treatment method and gas treatment apparatus

#249
20210016223
2021-01-21

Treated water drying device and boiler system including the same

#250
20200406187
2020-12-31

Method for Purifying a Gaseous, Liquid or Aerosol Composition Containing at Least One Polluant

#251
20200398218
2020-12-24

Exhaust gas treatment method and exhaust gas treatment apparatus

#252
20200384410
2020-12-10

Elimination of SOand COfrom a gas

#253
20200376429
2020-12-03

Method for purifying a carrier gas

#254
20200368714
2020-11-26

SORBENTS COMPRISING ACTIVATED CARBON AND AMMONIUM PHOSPHATES

#255
20200368680
2020-11-26

Method for Treating Exhaust Gases Containing Sulfur Oxides

#256
20200368385
2020-11-26

Photocatalyst filter and air conditioner including the same

#257
20200330957
2020-10-22

Air filters comprising polymeric sorbents for reactive gases

#258
20200324244
2020-10-15

Injection lance assembly

#259
20200306768
2020-10-01

Methods and systems for liquid separations

#260
20200299207
2020-09-24

Method for ammonium-enhanced flue gas desulfurization by using red mud slurry

#261
20200299156
2020-09-24

Systems and methods of reducing selenium contamination in waste water

#262
20200299145
2020-09-24

Method for aluminum-enhanced dealkalization of red mud and separation and recovery of aluminum and iron

#263
20200298179
2020-09-24

Component removal from a gas

#264
20200289983
2020-09-17

Catalytic oxidation of NO/SOin flue gases with atmospheric oxygen as the oxidation reagent

#265
20200276557
2020-09-03

Treated activated carbon for removal of airborne organic and inorganic contaminants

#266
20200269185
2020-08-27

Chemical sequestering of CO2, NOx and SO2

#267
20200263580
2020-08-20

Method and Device Intended to Purify Sulphur Oxide Containing Exhaust Gas from Internal Combustion Engines by Means of a Multi-stage Adsorption Method

#268
20200262757
2020-08-20

Ozonation-based method for producing cementitious material

#269
20200261884
2020-08-20

Polymeric sorbents for reactive gases

#270
20200238215
2020-07-30

Metal catalyst support, manufacturing method and apparatus therefor

#271
20200231447
2020-07-23

HIGH-PERFORMANCE SPHERICAL ACTIVATED CARBON, PREPARATION METHOD THEREFOR AND USE THEREOF

#272
20200230570
2020-07-23

SORBENT COMPOSITION FOR AN ELECTROSTATIC PRECIPITATOR

#273
20200206719
2020-07-02

Amine-based carbon dioxide adsorbent resistant to oxygen and sulfur dioxide and method of preparing the same

#274
20200206686
2020-07-02

Method and facility for purifying a feed gas stream comprising at least 90% CO2

#275
20200206683
2020-07-02

Methods and systems for providing corrosion resistant surfaces in contaminant treatment systems

#276
20200197863
2020-06-25

Wet scrubber tower with plates between nozzles for wet flue gas desulphurisation and particulate matter removal

#277
20200197854
2020-06-25

Active wet scrubbing filtration system

#278
20200188851
2020-06-18

Flue gas denitration system, incinerator, and flue gas denitration method

#279
20200188847
2020-06-18

Removal of greenhouse gases and heavy metals from an emission stream

#280
20200188846
2020-06-18

Calcium hydroxide-containing compositions and associated systems and methods

#281
20200188835
2020-06-18

Method For Removing Gaseous Contaminants From A Fluid Stream

#282
20200179910
2020-06-11

Method for producing photocatalyst and photocatalyst filter for air cleaning

#283
20200179872
2020-06-11

System and method for desulfurization and denitrification integrated treatment and recycling of flue gas by using red mud

#284
20200171432
2020-06-04

A FILTERING APPARATUS AND METHOD FOR TREATING POLLUTED AIR IN INDOOR SPACES

#285
20200171431
2020-06-04

Air treatment systems and methods

#286
20200164310
2020-05-28

Flue gas desulfurization system

#287
20200155998
2020-05-21

Gas downcomer pipe, installation member and desulfurization apparatus

#288
20200147547
2020-05-14

Method for the removal of oxygen from an industrial gas feed

#289
20200147546
2020-05-14

Acid gas treatment

#290
20200139299
2020-05-07

Wet desulfurization apparatus capable of improving desulfurization efficiency and wet desulfurization method using the same

#291
20200139298
2020-05-07

Wet desulfurization apparatus capable of improving desulfurization efficiency and wet desulfurization method using the same

#292
20200139294
2020-05-07

Efficient use of adsorbents for indoor air scrubbing

#293
20200129923
2020-04-30

Method for simultaneously removing SOand NOin flue gas

#294
20200108403
2020-04-09

Dust collecting module and desulfurizing apparatus having same

#295
20200108402
2020-04-09

Electrostatic precipitator module and desulfurization system including the same

#296
20200108345
2020-04-09

Method of processing sulfur-bearing wastes from refineries and upgraders

#297
20200101471
2020-04-02

Dust collecting module, desulfurizing apparatus having same, and method of installing dust collecting module

#298
20200071219
2020-03-05

Control of aqueous arsenic, selenium, mercury or other metals from flue gas

#299
20200061576
2020-02-27

High mechanical strength sorbent product, system, and method for controlling multiple pollutants from process gas

#300
20200061539
2020-02-27

Selective catalytic reduction process and off-line regeneration of deactivated catalyst of the process