ClassID:

29734

B01D53/8609 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases; General processes for purification of waste gases; Apparatus or devices specially adapted therefor; Catalytic processes; Removing sulfur compounds Sulfur oxides

Recent Application in this class:
#1
20260124602
2026-05-07

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

#2
20260091379
2026-04-02

METHOD FOR PRODUCING CARBON DIOXIDE ABSORBENT AND DESULFURIZATION CATALYST

#3
20260042058
2026-02-12

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

#4
20250367600
2025-12-04

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

#5
20250242341
2025-07-31

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

#6
20250146152
2025-05-08

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

#7
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

#8
20240124992
2024-04-18

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

#9
20240058750
2024-02-22

IMPROVING CATALYTIC EFFICIENCY OF FLUE GAS FILTRATION THROUGH SALT FORMATION BY USING AT LEAST ONE OXIDIZING AGENT

#10
20230381755
2023-11-30

Catalyst for use in the catalytic reduction of sulfur contained in a gas stream and method of making and using such catalyst

#11
20230311057
2023-10-05

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

#12
20230304684
2023-09-28

FRESH AIR VENTILATION DEVICE FOR AIR POLLUTION PREVENTION

#13
20230226489
2023-07-20

CATALYTIC OXIDATION OF CARBON BLACK EXHAUST GAS

#14
20230043657
2023-02-09

Catalyst for catalytic reduction of industrial flue gas SOwith CO to prepare sulfur, method for preparing same and use thereof

#15
20220403276
2022-12-22

Pretreatment desulfurization method for ship fuel oil using pretreatment desulfurization agent

#16
20220387979
2022-12-08

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

#17
20220203300
2022-06-30

METHOD FOR CLEANING SULFUROUS CORROSIVE PROCESS GASES

#18
20220184548
2022-06-16

Purification of gases containing sulfur compounds

#19
20220016603
2022-01-20

Catalyst for use in the catalytic reduction of sulfur contained in a gas stream and methods of making and using such catalyst

#20
20220016305
2022-01-20

Indoor and outdoor nano air purifier and system comprising said purifier

#21
20210387122
2021-12-16

CATALYST-ADSORBENT FILTER FOR AIR PURIFICATION

#22
20210129087
2021-05-06

Anti-haze anti-harmful gas air filter membrane as well as preparation method and application thereof

#23
20210121858
2021-04-29

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

#24
20200384410
2020-12-10

Elimination of SOand COfrom a gas

#25
20200354229
2020-11-12

HYDROTHERMAL SYNTHESIS OF THE MOLYBDENUM DIOXIDE NANOPARTICLES DIRECTLY ONTO A METAL SUBSTRATE

#26
20200179910
2020-06-11

Method for producing photocatalyst and photocatalyst filter for air cleaning

#27
20200030743
2020-01-30

Cross-flow heat exchanger

#28
20190351366
2019-11-21

Purification of gases containing sulfur compounds

#29
20190275464
2019-09-12

Systems and methods for post combustion mercury control using sorbent injection and wet scrubbing

#30
20190185175
2019-06-20

Contaminant removal for catalytic fuel tank inerting system

#31
20190126200
2019-05-02

Sulfur dioxide removal from waste gas

#32
20190118139
2019-04-25

Catalyst mixture for the treatment of waste gas

#33
20190101034
2019-04-04

Method for desulfurization of selective catalytic reduction devices

#34
20190099714
2019-04-04

Air pollution control system

#35
20190076783
2019-03-14

Clean gas stack

#36
20180326406
2018-11-15

Emissions control system including capability to clean and/or rejuvenate CZTS sorbents, CZTS-alloy sorbents, and/or CZTS-mixture sorbents, and method of use

#37
20180326396
2018-11-15

Emissions control system including capability to clean and/or rejuvenate carbon-based sorbents and method of use

#38
20180127271
2018-05-10

Process for production of sulfuric acid

#39
20180117529
2018-05-03

Continuous process and apparatus for purifying SO2-containing gases

#40
20180065851
2018-03-08

SETR- SUPER ENHANCED TAIL GAS RECOVERY; A TAIL GAS PROCESS WITH ADSORBENT REACTORS FOR ZERO EMISSIONS

#41
20180029020
2018-02-01

Supported solid phase catalyst, and preparation method and use thereof

#42
20170252697
2017-09-07

Method for the catalytic removal of sulphur dioxide from waste gases

#43
20170225119
2017-08-10

Gas treatment process and apparatus

#44
20170182442
2017-06-29

Hydrophobic filtration of tempering air

#45
20170160013
2017-06-08

Denitration and waste heat recovery integrated furnace

#46
20170089572
2017-03-30

Process and apparatus for reducing acid plume

#47
20170036163
2017-02-09

Systems and methods for improved sulfur recovery from claus process tail gas

#48
20170014762
2017-01-19

MERCURY REMOVAL APPARATUS, A FLUE GAS TREATMENT SYSTEM, AND A METHOD OF REMOVING MERCURY

#49
20160236145
2016-08-18

FLUE GAS TREATMENT METHOD AND DENITRATION/SO3 REDUCTION APPARATUS

#50
20160220954
2016-08-04

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

#51
20160214059
2016-07-28

Systems and methods for removing sulfur dioxide from a gas stream

#52
20160199780
2016-07-14

Clean coal stack

#53
20160184774
2016-06-30

Flue-gas purification and reclamation system and method thereof

#54
20160129395
2016-05-12

FLUE GAS TREATMENT SYSTEM AND FLUE GAS TREATMENT METHOD

#55
20160059187
2016-03-03

Method for removing sulphur dioxide from gas streams, using titanium dioxide as catalyst

#56
20160030885
2016-02-04

SYSTEMS AND METHODS FOR DIESEL OXIDATION CATALYST WITH DECREASED SO3 EMISSIONS

#57
20160023162
2016-01-28

Systems and methods for removing sulfur dioxide from a gas stream

#58
20150352482
2015-12-10

Method for treating sulphur-containing exhaust gases and device thereof

#59
20150298056
2015-10-22

Desulfurization method and device for sulfuric acid production device

#60
20150298055
2015-10-22

FLUE GAS TREATMENT SYSTEM AND METHOD

#61
20150258493
2015-09-17

Cleaning stack gas

#62
20150079335
2015-03-19

Gradient catalyst compositions and applications thereof

#63
20150000244
2015-01-01

System and method for reducing emissions via solvent injection

#64
20140260472
2014-09-18

Cleaning stack gas

#65
20140241971
2014-08-28

Oxidation system and method for cleaning waste combustion flue gas

#66
20140219910
2014-08-07

Sulphuric acid production with recycle of desulphurized gas

#67
20120225772
2012-09-06

SO3 REDUCTION CATALYST FOR PURIFYING AN EXHAUST GAS, PREPARATION PROCESS THEREOF, AND EXHAUST GAS PURIFYING METHOD USING THE CATALYST

#68
20120216873
2012-08-30

Fluid treatment system with bulk material beds operated in parallel and method for operating such a system

#69
20120213690
2012-08-23

Integration of Catalytic SO2 Oxidation and Oxyfuel Sour Compression

#70
20120087835
2012-04-12

Catalyst compositions and applications thereof

#71
20120058035
2012-03-08

System and method for flue gas conditioning

#72
20120009106
2012-01-12

Integration of catalytic COoxidation and oxyfuel sour compression

#73
20110309286
2011-12-22

CRACKING CATALYSTS, ADDITIVES, METHODS OF MAKING THEM AND USING THEM

#74
20110308620
2011-12-22

Cracking catalysts, additives, methods of making them and using them

#75
20110300059
2011-12-08

Process for gas sweetening

#76
20110146281
2011-06-23

Systems and methods for sequestering sulfur

#77
20110020205
2011-01-27

Carbon-based catalyst for flue gas desulfurization and method of producing the same and use thereof for removing mercury in flue gas

#78
20110014103
2011-01-20

Preparation of desulphurisation materials

#79
20100284870
2010-11-11

FLUID TREATMENT SYSTEM WITH BULK MATERIAL BEDS OPERATED IN PARALLEL AND METHOD FOR OPERATING SUCH A SYSTEM

#80
20100126395
2010-05-27

Process for producing steam and/or power from oil residues with high sulfur content

#81
20100111797
2010-05-06

ADDITIVE-CONTAINING ANIONIC CLAYS FOR REDUCING SOX EMISSIONS FROM AN FCC REGENERATOR AND PROCESS FOR MAKING THEM

#82
20100104492
2010-04-29

CARBON OXIDE AND/OR SULFUR OXIDE CAPTURE IN A LIQUID ENVIRONMENT

#83
20100092374
2010-04-15

Process and apparatus for the catalytic oxidation of SO-containing gases by means of oxygen

#84
20100086436
2010-04-08

Onsite chemistry air filtration system

#85
20090247394
2009-10-01

Honeycomb structure

#86
20090246456
2009-10-01

Honeycomb structure

#87
20090239738
2009-09-24

Titanium Oxide Photocatalyst, Process For Producing The Same And Application

#88
20090151331
2009-06-18

Exhaust purification device of internal combustion engine

#89
20090022643
2009-01-22

SO3 REDUCTION CATALYST FOR PURIFYING AN EXHAUST GAS, PREPARATION PROCESS THEREOF, AND EXHAUST GAS PURIFYING METHOD USING THE CATALYST

#90
20090004080
2009-01-01

Configurations and methods for SOremoval in oxygen-containing gases

#91
20080241031
2008-10-02

Fast-regenerable sulfur dioxide adsorbents for diesel engine emission control

#92
20080214390
2008-09-04

Catalyst for purifying exhaust gas

#93
20080213149
2008-09-04

Process for producing steam and/or power from oil residues

#94
20080145291
2008-06-19

SULFUR OXIDE REMOVING ADDITIVE FOR PARTIAL OXIDATION CONDITIONS

#95
20070191213
2007-08-16

Metal-containing compositions and their use as catalyst composition

#96
20070160517
2007-07-12

Catalyst, a method of using a catalyst, and an arrangement including a catalyst, for controlling NO and/or CO emissions from a combustion system without using external reagent

#97
20070041882
2007-02-22

Onsite chemistry air filtration system

#98
20060178263
2006-08-10

Carbon material and flue gas treatment apparatus

#99
20060177366
2006-08-10

Targeted duct injection for SOcontrol

#100
20060131179
2006-06-22

Method for low temperature, high activity and selectivity catalytic conversion using electrochemical (NEMCA) cells

#101
20060083671
2006-04-20

Discharge gas treatment catalyst

#102
20050238549
2005-10-27

Electronic controls for pollutant removal

#103
20050227008
2005-10-13

Titanium oxide photocatalyst, process for producing the same and application

#104
20050152817
2005-07-14

System for treating gaseous streams using metamorphosed mineral compositions having internal lattice defects

#105
20050145827
2005-07-07

SOtrap for diesel and lean-burn gasoline automotive applications

#106
20050063888
2005-03-24

Configurations and methods for effluent gas treatment

#107
20050025689
2005-02-03

Flue gas desulfurization apparatus, flue gas desulfurization system, and method for operating flue gas desulfurization apparatus

#108
20050025679
2005-02-03

Flue gas desulfurization apparatus and flue gas desulfurization system

#109
17704552
2023-05-02

Enhanced tail gas treatment of sulfur recovery unit with steam swept membranes