ClassID:

29742

B01D53/8634 - 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 nitrogen compounds Ammonia

Recent Application in this class:
#1
20260138087
2026-05-21

NH3-SCR DENITRATION SYSTEM AND METHOD FOR SYNERGISTIC PURIFICATION OF CO

#2
20260131314
2026-05-14

HIGHLY ACTIVE Ag/Al2O3 CATALYST AND PREPARATION METHOD THEREOF

#3
20260054220
2026-02-26

CATALYTIC DECOMPOSITION DEVICE AND INTEGRATED WASTE GAS TREATMENT SYSTEM

#4
20250051228
2025-02-13

PROCESS PLANT FOR CONVERTING A SOLID INPUT MATERIAL INTO A SOLID PROCESS PRODUCT

#5
20240326031
2024-10-03

FILTER FOR AIR PURIFICATION AND MANUFACTURING METHOD THEREOF

#6
20240075427
2024-03-07

Catalytic system and method for the removal of HCN from off-gases of a fluid cracking unit using same, and FCC unit assembly including the catalytic system

#7
20240042384
2024-02-08

AIR PURIFIER WITH AIR TREATMENT BASKET

#8
20230321585
2023-10-12

EXHAUST GAS TREATMENT SYSTEM

#9
20230226488
2023-07-20

EXHAUST GAS TREATMENT SYSTEM

#10
20230225286
2023-07-20

Animal shed system with an air trap and a scrubber

#11
20230191325
2023-06-22

A PROCESS FOR THE REMOVAL OF NOX AND DINITROGEN OXIDE IN PROCESS OFF-GAS

#12
20230158453
2023-05-25

CATALYTIC DECOMPOSITION DEVICE AND INTEGRATED WASTE GAS TREATMENT SYSTEM

#13
20220126268
2022-04-28

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#14
20220089439
2022-03-24

CATALYST SYSTEM AND METHOD FOR THE CATALYTIC COMBUSTION OF AMMONIA TO FORM NITROGEN OXIDES IN A MEDIUM-PRESSURE SYSTEM

#15
20220088572
2022-03-24

Nano-Structured Composite Materials for Chemical Air Pollutant and Odor Removal from Air

#16
20220055023
2022-02-24

Catalyst for ammonia decomposition and exhaust gas treatment method

#17
20220040637
2022-02-10

Exhaust gas treatment system

#18
20220040628
2022-02-10

EXHAUST GAS TREATMENT SYSTEM

#19
20220016305
2022-01-20

Indoor and outdoor nano air purifier and system comprising said purifier

#20
20210387122
2021-12-16

CATALYST-ADSORBENT FILTER FOR AIR PURIFICATION

#21
20210213155
2021-07-15

Catalyst structure for ozone decomposition

#22
20210146339
2021-05-20

Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream

#23
20210129087
2021-05-06

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

#24
20210046447
2021-02-18

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#25
20210046446
2021-02-18

Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs

#26
20200368385
2020-11-26

Photocatalyst filter and air conditioner including the same

#27
20200298210
2020-09-24

Moisture-resistant catalyst for air pollution remediation and method of making the same

#28
20200188849
2020-06-18

Method and system for the removal of noxious compounds from flue-gas using fabric filter bags with an SCR catalyst

#29
20190091677
2019-03-28

Catalyst for oxidising ammonia

#30
20190009252
2019-01-10

CATALYST COMPOSITIONS AND PROCESS FOR DIRECT PRODUCTION OF HYDROGEN CYANIDE IN AN ACRYLONITRILE REACTOR FEED STREAM

#31
20190001253
2019-01-03

Filter medium

#32
20180318762
2018-11-08

Processing apparatus equipped with catalyst-supporting honeycomb structure, and method for manufacturing same

#33
20180250665
2018-09-06

Method for preparing a catalyst-containing ceramic filter for off-gas or exhaust gas cleaning

#34
20180127954
2018-05-10

Water production apparatus for rigorous climates

#35
20180104374
2018-04-19

Photocatalyst filter and air conditioner including the same

#36
20180050303
2018-02-22

TREATMENT OF EXHAUST GASES FROM CEMENT CLINKER PRODUCTION

#37
20180029017
2018-02-01

PHOTOCATALYTIC FILTER FOR DEGRADING MIXED GAS AND MANUFACTURING METHOD THEREOF

#38
20170304814
2017-10-26

Method for producing catalyst fibrous structure

#39
20170189897
2017-07-06

Catalyst manufacturing method

#40
20170157593
2017-06-08

Use of catalysts, method and apparatus for selective oxidation of ammonia in a gas containing hydrogen

#41
20170087541
2017-03-30

Zoned ammonia slip catalyst for use in combustion turbines

#42
20170038147
2017-02-09

Method and system for the denitrification of flue gases by means of SNCR (selective non-catalytic reduction) and downstream catalyst for ammonia decomposition

#43
20170001177
2017-01-05

Catalyst for ammonia oxidation

#44
20160339387
2016-11-24

AMMONIA DECOMPOSITION CATALYST

#45
20160339381
2016-11-24

Method for heat-treating a material flow and for cleaning resulting exhaust gases

#46
20160310893
2016-10-27

CONSTANT DIRECTION REGENERATIVE SELECTIVE CATALYTIC REDUCTION

#47
20160288103
2016-10-06

Oxidation catalyst, method for preparing same, and filter for exhaust gas purification comprising same

#48
20160137518
2016-05-19

AFX ZEOLITE

#49
20160001224
2016-01-07

Method and system for removing ammonia from a vent gas stream of a urea plant

#50
20150360207
2015-12-17

Catalyst manufacturing method

#51
20150352492
2015-12-10

Non-PGM ammonia slip catalyst

#52
20150343376
2015-12-03

Elimination of ammonia and lower alkanes and/or hydrogen from waste gas streams in industrial plants

#53
20150140643
2015-05-21

BIOLOGICAL ODOR CONTROL SYSTEM

#54
20150079335
2015-03-19

Gradient catalyst compositions and applications thereof

#55
20150037222
2015-02-05

Processing apparatus equipped with catalyst-supporting honeycomb structure, and method for manufacturing same

#56
20130263927
2013-10-10

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

#57
20130253073
2013-09-26

Photocatalyst composition and preparation for the same

#58
20130224094
2013-08-29

Ammonia destruction methods for use in a Claus tail gas treating unit

#59
20120189489
2012-07-26

COMPLEX METAL OXIDE CATALYST, FILTER MODULE INCLUDING COMPLEX METAL OXIDE CATALYST, AND AIR CLEANER INCLUDING COMPLEX METAL OXIDE CATALYST

#60
20120137744
2012-06-07

Acid-impregnated activated carbon and methods of forming and using the same

#61
20120121470
2012-05-17

Air purification system

#62
20120093696
2012-04-19

SYSTEM FOR DEGRADING AND REMOVING TOXIC SUBSTANCE BY MEANS OF THERMAL EXCITATION OF CHROMIUM OXIDE OR NICKEL OXIDE

#63
20120087835
2012-04-12

Catalyst compositions and applications thereof

#64
20120009108
2012-01-12

Combined waste gas treatment of waste gas streams containing ammonia and nitrogen oxides in industrial plants

#65
20110200515
2011-08-18

Catalyst containment unit

#66
20110176988
2011-07-21

AMMONIA DECOMPOSITION CATALYSTS AND THEIR PRODUCTION PROCESSES, AS WELL AS AMMONIA TREATMENT METHOD

#67
20110165052
2011-07-07

Process for preparation of copper containing molecular sieves with the CHA structure, catalysts, systems and methods

#68
20110158875
2011-06-30

Selective catalytic oxidation of ammonia to water and nitrogen

#69
20110142728
2011-06-16

Selective catalytic oxidation of ammonia to water and nitrogen

#70
20100293930
2010-11-25

Method and apparatus for ammonia formation in a catalytic converter

#71
20100266469
2010-10-21

Removal of ammonia from fluids

#72
20100086436
2010-04-08

Onsite chemistry air filtration system

#73
20100080737
2010-04-01

Exhaust gas treatment catalyst and exhaust gas treatment system

#74
20090252665
2009-10-08

Enhancement of conventional SCR and SNCR processes with ammonia destruction catalyst

#75
20090239738
2009-09-24

Titanium Oxide Photocatalyst, Process For Producing The Same And Application

#76
20090087367
2009-04-02

Ammonia oxidation catalyst for power utilities

#77
20090060809
2009-03-05

Ammonia Decomposition Catalyst and Process for Decomposition of Ammonia Using the Catalyst

#78
20080247927
2008-10-09

Ammonia destruction methods for use in a claus tail gas treating unit

#79
20080112870
2008-05-15

Catalysts for dual oxidation of ammonia and carbon monoxide with low to no NOformation

#80
20080047313
2008-02-28

Acid-impregnated activated carbon and methods of forming and using the same

#81
20080006012
2008-01-10

Air filtration media comprising metal-doped silicon-base gel materials with oxidizing agents

#82
20070286786
2007-12-13

Catalyst for purifying organic nitrogen compound-containing exhaust gas and method for purifying the exhaust gas

#83
20070149391
2007-06-28

Low temperature ammonia remediation catalysts

#84
20070123417
2007-05-31

FCC additive for partial and full burn NOx control

#85
20070059228
2007-03-15

Selective catalytic oxidation of ammonia to water and nitrogen

#86
20070041882
2007-02-22

Onsite chemistry air filtration system

#87
20060182676
2006-08-17

Ammonia oxidation catalyst for the coal fired utilities

#88
20060133975
2006-06-22

Adsorbent, porous filter, air cleaning device, method of cleaning air, and method of manufacturing porous filter

#89
20060099123
2006-05-11

Utilisation of waste gas streams

#90
20060029534
2006-02-09

Process for treating ammonia-containing exhaust gases

#91
20050227008
2005-10-13

Titanium oxide photocatalyst, process for producing the same and application

#92
20050123463
2005-06-09

Treatment of exhaust gases

#93
20050121045
2005-06-09

Treatment of mainstream smoke constituents by use of oxygen storage and donor metal oxide oxidation catalyst

#94
20050054524
2005-03-10

Layered ammonia oxidation catalyst

#95
15014562
2017-06-27

Generation and delivery of ammonia gas in an exhaust gas system