ClassID:

29715

B01D53/685 - 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; Removing components of defined structure; Halogens or halogen compounds by treating the gases with solids

Recent Application in this class:
#1
20260145118
2026-05-28

PROCESS FOR TREATING FLUORINATED GASES

#2
20260124578
2026-05-07

METHOD FOR PRODUCING HYDROGEN FLUORIDE ADSORBENT

#3
20260021440
2026-01-22

SYSTEM AND METHOD FOR PROCESS CHEMISTRY ABATEMENT AND RECYCLING

#4
20250332574
2025-10-30

CATALYST SYSTEM FOR REMOVING PERFLUORINATED COMPOUNDS AND NITROUS OXIDE

#5
20250325940
2025-10-23

CHEMICAL SEPARATION FOR FLUORINE RECIRCULATION

#6
20250320220
2025-10-16

COTTON FABRICS CONTAINING POROUS ORGANIC CAGES

#7
20250149199
2025-05-08

IODINE CAPTURE AND ENCAPSULATION

#8
20250091031
2025-03-20

Tailoring new covalent organic framework for highly efficient iodine capture

#9
20250033025
2025-01-30

Tailoring new covalent organic framework for highly efficient iodine capture

#10
20250002379
2025-01-02

SYSTEMS AND METHODS FOR TREATING CONTAMINATED WATER AS A SOURCE FOR HYDROGEN

#11
20240367090
2024-11-07

SYSTEMS AND METHODS FOR REMOVAL OF MERCURY AND/OR HYDROCHLORIC ACID FROM GAS STREAMS USING CALCIUM-CONTAINING PARTICLES

#12
20240207913
2024-06-27

Waste Battery Thermal Desorption Treatment System

#13
20240181389
2024-06-06

Hydrolysis reaction device for dechlorination and decyanation of blast furnace gas

#14
20240157284
2024-05-16

HYDROGEN FLUORIDE GAS REMOVAL DEVICE AND METHOD FOR REMOVING HYDROGEN FLUORIDE GAS

#15
20230365870
2023-11-16

Processes and systems for producing light olefins and aromatics from a mixed plastics stream

#16
20230322795
2023-10-12

Cotton fabrics containing porous organic cages

#17
20230257660
2023-08-17

Processes and systems for producing light olefins and aromatics from a mixed plastics stream

#18
20230015784
2023-01-19

USE OF A TRANSITION METAL OXIDE FOR REMOVING FLUORINATED BY-PRODUCTS FROM A GAS, DEVICE AND METHOD FOR REMOVING SUCH BY-PRODUCTS

#19
20220396735
2022-12-15

PYROLYSIS METHOD AND SYSTEM FOR RECYCLED WASTE

#20
20220274087
2022-09-01

MXENES FOR SELECTIVE ADSORPTION OF DESIRED CHEMICAL ANALYTES AND METHOD THEREOF

#21
20220054972
2022-02-24

Method for removing halogen fluoride, quantitative analysis method for gas component contained in halogen fluoride mixed gas, and quantitative analyzer

#22
20220047967
2022-02-17

MATERIALS AND METHODS FOR MITIGATING HALIDE SPECIES IN PROCESS STREAMS

#23
20220047966
2022-02-17

MATERIALS AND METHODS FOR MITIGATING HALIDE SPECIES IN PROCESS STREAMS

#24
20210339192
2021-11-04

Method and apparatus for reduction of HCI emission from cement plants using cement raw meal as absorber

#25
20210304912
2021-09-30

RADIOACTIVE IODINE ADSORBENT, AND METHOD FOR TREATING RADIOACTIVE IODINE

#26
20210106942
2021-04-15

Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles

#27
20210069640
2021-03-11

Calcium hydroxide-containing compositions and associated systems and methods

#28
20200324244
2020-10-15

Injection lance assembly

#29
20200244029
2020-07-30

Gas laser apparatus

#30
20200188846
2020-06-18

Calcium hydroxide-containing compositions and associated systems and methods

#31
20200179901
2020-06-11

Hydrogen chloride removing agent

#32
20200171430
2020-06-04

Activation of a material containing alkaline-earth metal carbonate and alkaline-earth metal hydroxide for the dry scrubbing of flue gas

#33
20200156937
2020-05-21

Purification of hydrogen

#34
20200030744
2020-01-30

AGENT FOR REMOVING HALOGEN GAS, METHOD FOR PRODUCING SAME, METHOD FOR MONITORING THE CONSUMPTION STATE OF THE REMOVAL AGENT

#35
20200023336
2020-01-23

Agent for removing halogen gas, method for producing same, method for removing halogen gas with use of same, and system for removing halogen gas

#36
20200018205
2020-01-16

Automated guided vehicle for an emissions control system

#37
20190351368
2019-11-21

Calcium hydroxide-containing compositions and associated systems and methods

#38
20190314759
2019-10-17

PROCESS FOR THE REMOVAL OF HYDROGEN CHLORIDE AND SULFUR OXIDES FROM A GAS STREAM BY ABSORPTION

#39
20190276329
2019-09-12

GENERATION OF CALCIUM FLUORIDE FROM HF GAS STREAMS

#40
20190201841
2019-07-04

Integrated Wet Scrubbing System

#41
20190151822
2019-05-23

Composite material, its manufacture and use in gas purification

#42
20190151773
2019-05-23

Materials and methods for mitigating halide species in process streams

#43
20190134560
2019-05-09

Hydrochloric acid purification process and plant

#44
20190081450
2019-03-14

GAS LASER APPARATUS

#45
20190081449
2019-03-14

Gas laser apparatus

#46
20190074655
2019-03-07

Gas laser apparatus

#47
20190074654
2019-03-07

GAS LASER APPARATUS

#48
20190039012
2019-02-07

Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles

#49
20190022578
2019-01-24

Composition for the Purification of Flue Gas

#50
20190020167
2019-01-17

GAS LASER APPARATUS

#51
20190015778
2019-01-17

Composition for the Purification of Flue Gas

#52
20180361393
2018-12-20

Systems and method for removal of acid gas in a circulating dry scrubber

#53
20180361316
2018-12-20

POWDERED COMPOSTION COMPRISING ONE OR MORE DOUBLE SALT(S) FOR USE IN COMBUSTION GAS PURIFICATION

#54
20180354795
2018-12-13

Neon recovering/purifying system and neon recovering/purifying method

#55
20180311612
2018-11-01

Activation of a material containing alkaline-earth metal carbonate and alkaline-earth metal hydroxide for the dry scrubbing of flue gas

#56
20180306078
2018-10-25

Movable emission control system for auxiliary diesel engines

#57
20180264403
2018-09-20

Calcium hydroxide-containing compositions and associated systems and methods

#58
20180250628
2018-09-06

SORBENT INJECTION SYSTEM AND METHOD FOR TREATING FLUE GASES

#59
20180221817
2018-08-09

Integrated biogas cleaning system to remove water, siloxanes, sulfur, oxygen, chlorides and volatile organic compounds

#60
20180214844
2018-08-02

Chemical absorbent composition

#61
20180190404
2018-07-05

RADIOACTIVE IODINE ADSORBENT, AND METHOD FOR TREATING RADIOACTIVE IODINE

#62
20180185813
2018-07-05

POROUS ADSORBENT FOR TRAPPING RADIOACTIVE IODINE GAS AND METHOD OF MANUFACTURING THE SAME

#63
20180169579
2018-06-21

Flue gas cleaning installation and method for cleaning flue gas

#64
20180154331
2018-06-07

Composition and process for removing chlorides from a gaseous stream

#65
20180126324
2018-05-10

Injection lance assembly

#66
20170354914
2017-12-14

Use of clinker kiln dust for gas scrubbing

#67
20170288361
2017-10-05

Gas laser apparatus

#68
20170232386
2017-08-17

Device and method for treating a gas laden with pollutants

#69
20170120188
2017-05-04

PROCESS FOR THE PRODUCTION OF REACTIVE COMPOSITION PARTICLES BASED ON SODIUM CARBONATE AND REACTIVE COMPOSITION PARTICLES

#70
20170120187
2017-05-04

ACTIVATION OF A MATERIAL CONTAINING ALKALINE-EARTH METAL CARBONATE AND ALKALINE-EARTH METAL HYDROXIDE FOR THE DRY SCRUBBING OF FLUE GAS

#71
20170080383
2017-03-23

Method of controlling a gas cleaning system by measuring a parameter of an absorbent material

#72
20160361701
2016-12-15

Porous adsorbent for trapping radioactive iodine gas and method of manufacturing the same

#73
20160339410
2016-11-24

REACTIVE COMPOSITION BASED ON SODIUM BICARBONATE AND PROCESS FOR ITS PRODUCTION

#74
20160339386
2016-11-24

Reactive composition based on sodium bicarbonate and process for its production

#75
20160332117
2016-11-17

Method of and a scrubber for removing pollutant compounds from a gas stream

#76
20160279568
2016-09-29

Flue gas treatment using kraft mill waste products

#77
20160247588
2016-08-25

RADIOACTIVE IODINE ADSORBENT, AND METHOD FOR TREATING RADIOACTIVE IODINE

#78
20160243497
2016-08-25

Circulating dry scrubber system and method

#79
20160236144
2016-08-18

Flue gas treatment system and method

#80
20160193566
2016-07-07

Reversible and irreversible chemisorption in nonporous, crystalline hybrid structures

#81
20160144316
2016-05-26

Low pressure drop static mixing system

#82
20160131584
2016-05-12

Compositional analysis of a gas or gas stream in a chemical reactor and method for preparing chlorosilanes in a fluidized bed reactor

#83
20160114306
2016-04-28

Silica containing basic sorbent for acid gas removal

#84
20160101384
2016-04-14

Device and a method of cleaning an effluent gas from an aluminium production electrolytic cell

#85
20160030914
2016-02-04

Granular material for absorption of harmful gases and process for production thereof

#86
20150375168
2015-12-31

EXHAUST GAS TREATMENT METHOD, EXHAUST GAS TREATMENT DEVICE, AND EXHAUST GAS TREATMENT SYSTEM

#87
20150314262
2015-11-05

High capacity solid filtration media

#88
20150235718
2015-08-20

REACTOR PRESSURE-RELIEVING FILTER SYSTEM

#89
20150224445
2015-08-13

High temperature sorbents for pollution control

#90
20150135953
2015-05-21

Particulate matter and methods of obtaining same from a kraft waste reclamation

#91
20150110698
2015-04-23

Process for sulfur dioxide, hydrochloric acid and mercury mediation

#92
20150044128
2015-02-12

Deacidification process and apparatus thereof

#93
20140370289
2014-12-18

Methods and active materials for reducing halide concentration in gas streams

#94
20140360409
2014-12-11

Ash compositions recovered from coal combustion gases having reduced emissions of HCI and/or mercury

#95
20140356264
2014-12-04

Method and device for cleaning exhaust gases by way of fluidized bed reactors

#96
20140352530
2014-12-04

Method of controlling a gas cleaning system by measuring a parameter of an absorbent material

#97
20140348717
2014-11-27

Vacuum pump with abatement function

#98
20140283687
2014-09-25

Process and device for improving the capture of SO2 in electrolytic cell gases

#99
20140112846
2014-04-24

Use of a KMgFcompound for trapping metals in the form of fluorides and/or oxyfluorides in a gaseous or a liquid phase

#100
20140084209
2014-03-27

Gas stream treatment process

#101
20140083844
2014-03-27

Fluorine gas generator

#102
20140056794
2014-02-27

METHOD FOR TREATING EXHAUST GAS CONTAINING INORGANIC HALOGENATED GAS

#103
20140030178
2014-01-30

Process to enhance mixing of dry sorbents and flue gas for air pollution control

#104
20130336868
2013-12-19

Dry processes, apparatus, compositions and systems for reducing sulfur oxides and HCI

#105
20130333565
2013-12-19

Device and a method of cleaning an effluent gas from an aluminium production electrolytic cell

#106
20130327215
2013-12-12

Compact air quality control system compartment for aluminium production plant

#107
20130323149
2013-12-05

Iodine absorbent material containing salt and radioactive iodine removal system using the same

#108
20130312610
2013-11-28

Device for trapping flammable gases produced by radiolysis or thermolysis in a containment

#109
20130302234
2013-11-14

High capacity solid filtration media

#110
20130280154
2013-10-24

APPARATUS AND METHOD FOR TREATING PERFLUORO-COMPOUND

#111
20130206005
2013-08-15

Gas cleaning unit and method for cleaning gas

#112
20130160643
2013-06-27

SELF CLEANING SORBENT INJECTION LANCE

#113
20130116112
2013-05-09

Composite media for fluid stream processing, a method of forming the composite media, and a related method of processing a fluid stream

#114
20130095018
2013-04-18

UP-FLOW FLUIDIZED BED DRY SCRUBBER AND METHOD OF OPERATING SAME

#115
20130089484
2013-04-11

Silica containing basic sorbent for acid gas removal

#116
20130089479
2013-04-11

Gas stream treatment process

#117
20130023126
2013-01-24

Method for the manufacture of electronic devices with purified fluorine

#118
20130009093
2013-01-10

Particulate matter and methods of obtaining same from a Kraft waste reclamation

#119
20120318665
2012-12-20

Apparatus for Generating Fluorine Gas

#120
20120272827
2012-11-01

Apparatus and method for producing purified hydrogen gas by a pressure swing adsorption processes

#121
20120269708
2012-10-25

Method and installation for separating acid components, dust and tar from hot gases of gasification installations

#122
20120235086
2012-09-20

MINERAL, GRANULATED DESULFURIZING AGENT ON THE BASIS OF CALCIUM HYDROXIDE, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF

#123
20120168380
2012-07-05

ZEOLYTIC SULFUR GUARD

#124
20120137881
2012-06-07

Method of reusing hydrogen

#125
20120107219
2012-05-03

Apparatus and method for producing purified hydrogen gas by a pressure swing adsorption processes

#126
20120020861
2012-01-26

USE OF A TiO2- BASED COMPOSITION FOR CAPTURING HALOGENATED COMPOUNDS CONTAINED IN A GASEOUS MIXTURE

#127
20120010306
2012-01-12

Process for removing sulphur-containing, nitrogen-containing and halogen-containing impurities contained in a synthesis gas

#128
20110268639
2011-11-03

METHOD AND A DEVICE FOR VERIFYING AND CONTROLLING THE REMOVAL OF HYDROGEN FLUORIDE FROM A PROCESS GAS

#129
20110223088
2011-09-15

Method and apparatus for on-site production of lime and sorbents for use in removal of gaseous pollutants

#130
20110100209
2011-05-05

Recovery of NF3 from adsorption operation

#131
20110083936
2011-04-14

Process and Facility for Removing One or More Compounds

#132
20110000370
2011-01-06

AGGLOMERATES OF PRECIPITATED SILICA, METHOD FOR THEIR PREPARATION AND THEIR USE AS FILTER MEDIUM FOR GAS FILTRATION

#133
20100296991
2010-11-25

Method and device for purifying the flue gases of a sintering process of ores and/or other material-containing materials in metal production

#134
20100290966
2010-11-18

METHOD AND APPARATUS FOR THE REMOVAL OF FLUORINE FROM A GAS STREAM

#135
20100222215
2010-09-02

HALIDE SCAVENGERS FOR HIGH TEMPERATURE APPLICATIONS

#136
20100202947
2010-08-12

USE OF A TiO2- BASED COMPOSITION FOR CAPTURING HALOGENATED COMPOUNDS CONTAINED IN A GASEOUS MIXTURE

#137
20100178225
2010-07-15

METHOD FOR TREATMENT OF A GAS STREAM CONTAINING SILICON TETRAFLUORIDE AND HYDROGEN CHLORIDE

#138
20100107871
2010-05-06

Fluoride ion cleaning method

#139
20100096594
2010-04-22

Process for decontaminating syngas

#140
20100086459
2010-04-08

Impurity removing apparatus and method of operating the same

#141
20100074821
2010-03-25

APPARATUS AND METHOD FOR TREATING A GAS STREAM

#142
20090304921
2009-12-10

Particulate matter and methods of obtaining same from a Kraft waste reclamation

#143
20090297420
2009-12-03

Method of treating a gas stream

#144
20090246524
2009-10-01

POROUS CALCIUM OXIDE PARTICULATE AND POROUS CALCIUM HYDROXIDE PARTICULATE

#145
20090223367
2009-09-10

Systems and methods for restricting scale in gas scrubbers and related components

#146
20090215616
2009-08-27

Granular material comprising porous particles containing calcium and/or magnesium

#147
20090130012
2009-05-21

Method for removing halogen series gas and agent for removing halogen series gas

#148
20090107339
2009-04-30

Gas Treating Apparatus

#149
20090092530
2009-04-09

Method for treatment of a gas stream containing silicon tetrafluoride and hydrogen chloride

#150
20090060808
2009-03-05

Scrubber for reactive gases

#151
20080175775
2008-07-24

Process and apparatus for treating flue gas from sintering plants

#152
20080156699
2008-07-03

Process and facility for removing one or more compounds

#153
20080050298
2008-02-28

Method For Improving the HF Capture Efficiency of Dry Scrubbers

#154
20080034968
2008-02-14

Agglomerates of precipitated silica, method for their preparation and their use as filter medium for gas filtration

#155
20070264188
2007-11-15

Method and apparatus for treating gas containing flourine-containing compounds

#156
20070251382
2007-11-01

Separation of light gases from halogens

#157
20070157810
2007-07-12

High capacity solid filtration media

#158
20070116620
2007-05-24

Halide scavengers for high temperature applications

#159
20070006730
2007-01-11

Cleaning composition for treating an acid gas and method for making the same

#160
20070000385
2007-01-04

Adsorbents for removing H2S, other odor causing compounds, and acid gases from gas streams and methods for producing and using these adsorbents

#161
20060289290
2006-12-28

Electrolytic cell effluent treatment method and device for the production of aluminium

#162
20060228281
2006-10-12

Method and plant for removing gaseous pollutants from exhaust gases

#163
20060140836
2006-06-29

Process for decomposing fluorine compounds

#164
20060032373
2006-02-16

Method for removing harmful substance in vent gas

#165
20060008393
2006-01-12

Pollutant reduction system with adjustable angle injector for injecting pollutant reduction substance

#166
20050271568
2005-12-08

Method and apparatus for treating a waste gas containing fluorine-containing compounds

#167
20050061147
2005-03-24

Chemisorbent system for abatement of effluent species

#168
19396933
2026-06-02

Thermo-chemical transformation of wet food waste with plastics, biodegradable packaging, and fluorinated compounds in a multi-annular concentric feed rotary kiln system

#169
14471422
2015-11-03

Acidic gas removal using dry sorbent injection