ClassID:

29714

B01D53/68 - 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

Sub-classes:
Recent Application in this class:
#1
20260138089
2026-05-21

SPENT CAUSTIC TREATMENT USING AN ELECTROCHEMICAL ROUTE

#2
20260097360
2026-04-09

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

#3
20260092222
2026-04-02

PLASTIC PROCESSING METHOD AND PROCESSING SYSTEM

#4
20260084103
2026-03-26

MINIMIZING CORROSION IN PRE-PLASMA ABATEMENT SYSTEMS

#5
20260070018
2026-03-12

BIOGAS HALOGEN PROCESSING SYSTEMS AND METHODS

#6
20260034510
2026-02-05

SYSTEMS AND METHODS FOR RECOVERY OF SUBSTANCES FROM MOLTEN SALT ELECTROLYSIS

#7
20250381520
2025-12-18

ABATEMENT APPARATUS AND METHOD

#8
20250276282
2025-09-04

SYSTEMS AND METHODS FOR PREVENTING COLORED EMISSIONS IN CHEMICAL PROCESSES

#9
20250229224
2025-07-17

PROCESS FOR REDUCING FOSSIL CO2 EMISSIONS

#10
20250222399
2025-07-10

METHOD FOR SCRUBBING SULFURYL FLUORIDE FROM A FLUID

#11
20250201539
2025-06-19

PLASMA ABATEMENT TECHNOLOGY UTILIZING WATER VAPOR AND OXYGEN REAGENT

#12
20250166978
2025-05-22

PLASMA ABATEMENT TECHNOLOGY UTILIZING WATER VAPOR AND OXYGEN REAGENT

#13
20240367102
2024-11-07

Fluorinated gas regeneration plant

#14
20240342530
2024-10-17

QUARTERNARY AMMONIUM HALIDES FOR TREATING HALOGEN CONTAMINATION

#15
20240325973
2024-10-03

BIOGAS HALOGEN PROCESSING SYSTEMS AND METHODS

#16
20240165559
2024-05-23

SCRUBBER SYSTEM

#17
20240082783
2024-03-14

SYSTEMS AND METHODS FOR RECOVERY OF SUBSTANCES FROM MOLTEN SALT ELECTROLYSIS

#18
20240001297
2024-01-04

METHODS AND SYSTEMS FOR CONTROLLING CONDENSATE WHEN REDUCING OXYGEN CONTENT IN BIOGAS

#19
20230364556
2023-11-16

SYSTEM FOR THE CHEMICAL DECONTAMINATION OF CORROSIVE GASES

#20
20230271133
2023-08-31

DEVICE FOR TREATING SEMICONDUCTOR PROCESS EXHAUST GAS

#21
20230257662
2023-08-17

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

#22
20230114236
2023-04-13

INDUSTRIAL SOLID WASTE INCINERATOR AND FLUE GAS TREATMENT APPARATUS

#23
20230089058
2023-03-23

Using spent caustic solution from pygas treatment to neutralize halogens from liquified waste plastic

#24
20230043563
2023-02-09

System for the chemical decontamination of corrosive gases

#25
20230017568
2023-01-19

METHOD AND SYSTEM FOR ZERO DISCHARGE TREATMENT OF DESULFURIZATION WASTEWATER SUITABLE FOR MULTIPLE WORKING CONDITIONS

#26
20230012031
2023-01-12

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

#27
20220399209
2022-12-15

SUBSTRATE PROCESSING APPARATUS AND CONTROL METHOD OF SUBSTRATE PROCESSING APPARATUS

#28
20220226685
2022-07-21

Quarternary ammonium halides for treating halogen contamination

#29
20220194790
2022-06-23

HCL recovery unit

#30
20220047967
2022-02-17

MATERIALS AND METHODS FOR MITIGATING HALIDE SPECIES IN PROCESS STREAMS

#31
20220047966
2022-02-17

MATERIALS AND METHODS FOR MITIGATING HALIDE SPECIES IN PROCESS STREAMS

#32
20220041529
2022-02-10

Propane/butane dehydrogenation complex with thermal oxidation system

#33
20220041527
2022-02-10

Naphtha complex with thermal oxidation system

#34
20220033722
2022-02-03

Renewable transportation fuel process with thermal oxidation system

#35
20210394117
2021-12-23

METHOD AND APPARATUS FOR TREATING DISCHARGE GAS CONTAINING TARGET GAS IN PLASMA STATE

#36
20210252455
2021-08-19

Methods and compositions for scrubbing chlorine-containing gases

#37
20210162341
2021-06-03

METHOD FOR TREATING EXHAUST GAS CONTAINING ELEMENTAL FLUORINE

#38
20210139324
2021-05-13

Hydrogen generation system, power generation system, hydrogen generation method, and power generation method

#39
20210138179
2021-05-13

Healthy gas generating system

#40
20210093997
2021-04-01

Positive pressure and negative pressure maintenance system having bacteria sterilizing function and harmful material and radioactive material removing function

#41
20210057236
2021-02-25

Exhaust gas processing apparatus

#42
20210016226
2021-01-21

Gas treatment method and gas treatment apparatus

#43
20200357615
2020-11-12

Plasma abatement system utilizing water vapor and oxygen reagent

#44
20200247731
2020-08-06

Processes for isomerizing hydrocarbons

#45
20200240012
2020-07-30

Silicon-containing product forming apparatus

#46
20200230550
2020-07-23

Control of wet scrubber oxidation inhibitor and byproduct recovery

#47
20200206683
2020-07-02

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

#48
20200171431
2020-06-04

Air treatment systems and methods

#49
20200122085
2020-04-23

Apparatus for exhaust gas abatement under reduced pressure

#50
20200033000
2020-01-30

METHOD AND APPARATUS FOR EXHAUST GAS ABATEMENT UNDER REDUCED PRESSURE

#51
20190338419
2019-11-07

Apparatus for gaseous byproduct abatement and foreline cleaning

#52
20190275463
2019-09-12

Low pressure drop static mixing system

#53
20190262760
2019-08-29

Wet abatement system

#54
20190255478
2019-08-22

Process for purifying a COstream in order to avoid corrosion by hydrochloric acid

#55
20190201841
2019-07-04

Integrated Wet Scrubbing System

#56
20190151773
2019-05-23

Materials and methods for mitigating halide species in process streams

#57
20190134560
2019-05-09

Hydrochloric acid purification process and plant

#58
20190126199
2019-05-02

Process for the purifying of a raw gas stream containing mainly C1-C5 hydrocarbons and carbon dioxide, and impurities of organic and inorganic sulfur compounds, halogenated and non-halogenated volatile organic compounds and oxygen

#59
20190076781
2019-03-14

Control of wet scrubber oxidation inhibitor and byproduct recovery

#60
20190063744
2019-02-28

DEVICE OF CAPTURING SINTERED PRODUCT AFTER SINTERING WASTE GAS IN SEMICONDUCTOR MANUFACTURING PROCESS

#61
20190022445
2019-01-24

BACILLUS SAITENS DECOMPOSING FLUORINE-CONTAINING COMPOUND, RECOMBINANT MICROORGANISM INCLUDING GENE DERIVED FROM BACILLUS SAITENS, AND METHOD OF REDUCING CONCENTRATION OF FLUORINE-CONTAINING COMPOUND IN SAMPLE BY USING BACILLUS SAITENS

#62
20180366307
2018-12-20

Plasma abatement technology utilizing water vapor and oxygen reagent

#63
20180345213
2018-12-06

METHOD FOR TREATING EXHAUST GAS CONTAINING ELEMENTAL FLUORINE

#64
20180311606
2018-11-01

Complex malodor removing equipment

#65
20180226234
2018-08-09

PLASMA ABATEMENT TECHNOLOGY UTILIZING WATER VAPOR AND OXYGEN REAGENT

#66
20180214812
2018-08-02

Abatement system

#67
20180209644
2018-07-26

Inlet assembly

#68
20180207581
2018-07-26

Apparatus for evacuating a corrosive effluent gas stream from a processing chamber

#69
20180161724
2018-06-14

Device of purifying hydrogen fluoride in semiconductor process waste gas

#70
20180118638
2018-05-03

Use of membrane for oxidative-dehydrogenation process

#71
20180057358
2018-03-01

Method for recovering HCI from a HCI containing gas stream

#72
20180029007
2018-02-01

Filtration material for filtered venting, and filtered venting device

#73
20180028774
2018-02-01

Healthy gas generating system

#74
20180017254
2018-01-18

Method of capturing sintered product after sintering waste gas in semiconductor manufacturing process

#75
20180015413
2018-01-18

Abatement device

#76
20180001260
2018-01-04

Continuous diffusion denuding with moving denuding surface

#77
20170368502
2017-12-28

Control of wet scrubber oxidation inhibitor and byproduct recovery

#78
20170368500
2017-12-28

Process for producing magnesium metal by dehydrating dihydrate magnesium chloride

#79
20170312683
2017-11-02

Wet flue gas desulfurization system with zero waste water liquid discharge

#80
20170182456
2017-06-29

Aqueous lime slurry, preparation process and uses

#81
20170151531
2017-06-01

Method And Device Of Purifying Hydrogen Fluoride In Semiconductor Process Waste Gas

#82
20170136409
2017-05-18

Use of clinker kiln dust for gas scrubbing

#83
20170120189
2017-05-04

Method of inhibiting formation of dioxins and dioxin-like compounds in solid waste incineration flue gas

#84
20170080383
2017-03-23

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

#85
20170065934
2017-03-09

Apparatus for purifying waste gases for integrated semiconductor

#86
20170014759
2017-01-19

DEVICE AND METHOD FOR EXTRACTING A CHEMICAL COMPOUND IN ACID GASES

#87
20160375403
2016-12-29

Control of wet scrubber oxidation inhibitor and byproduct recovery

#88
20160317965
2016-11-03

Method for treating sulfur hexafluoride using radiation and apparatus for collecting and treating by-products

#89
20160263521
2016-09-15

Process for hydrochloric acid mediation

#90
20160184774
2016-06-30

Flue-gas purification and reclamation system and method thereof

#91
20160158696
2016-06-09

TREATMENT PROCESS OF PHOSPHOROUS PENTAFLUORIDE

#92
20160152536
2016-06-02

Method for separating organofluorine compounds using membrane

#93
20160152475
2016-06-02

Phosphorus absorption by hydration and fluorine recovery for fume exiting kiln in kiln phosphoric acid process

#94
20160144316
2016-05-26

Low pressure drop static mixing system

#95
20160122200
2016-05-05

Method for obtaining an iron-comprising solution of high concentration

#96
20160107118
2016-04-21

Water recycling in a COremoval process and system

#97
20160107117
2016-04-21

Corrosion resistant abatement system

#98
20160089630
2016-03-31

VACUUM FORELINE REAGENT ADDITION FOR FLUORINE ABATEMENT

#99
20160082388
2016-03-24

Device and process for fluorine recovery from smoke after phosphorus absorption by hydration in kiln process for production of phosphoric acid

#100
20160067651
2016-03-10

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

#101
20160045863
2016-02-18

Continuous diffusion denuding with moving denuding surface

#102
20160045860
2016-02-18

Vacuum pumping and abatement system

#103
20160018159
2016-01-21

Alkalinity control agent supply method and apparatus for compressor impurity separation mechanism

#104
20160016113
2016-01-21

Reducing hydrochloric acid in cement kilns

#105
20150202566
2015-07-23

Methods and apparatus for treating fluorinated greenhouse gases in gas streams

#106
20150176838
2015-06-25

Inlet assembly

#107
20150175506
2015-06-25

Methods and apparatuses for isomerizing hydrocarbons

#108
20150147265
2015-05-28

Removal of bromine from gaseous hydrogen bromide

#109
20150147241
2015-05-28

Infectious medical waste treatment system

#110
20150110698
2015-04-23

Process for sulfur dioxide, hydrochloric acid and mercury mediation

#111
20150104365
2015-04-16

Flue-gas purification and reclamation system and method thereof

#112
20150073572
2015-03-12

Automatic tuning control system for air pollution control systems

#113
20150027202
2015-01-29

Recovery of Xe and other high value compounds

#114
20150023852
2015-01-22

Control of wet scrubber oxidation inhibitor and byproduct recovery

#115
20150005566
2015-01-01

Decontamination method for organic compound

#116
20140366499
2014-12-18

Chlorine bypass device

#117
20140360409
2014-12-11

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

#118
20140356269
2014-12-04

Recovery of halogens by partial condensation

#119
20140348733
2014-11-27

Continuous Fe(III) production at atmospheric pressures

#120
20140348730
2014-11-27

Hydrogen chloride removal process

#121
20140314651
2014-10-23

Process and Apparatus for Improving the Operation of Wet Scrubbers

#122
20140314650
2014-10-23

Processes, apparatus, compositions and systems for reducing emissions of HCI and/or sulfur oxides

#123
20140295362
2014-10-02

Vacuum pump with abatement function

#124
20140294609
2014-10-02

Gas pumping and treatment device

#125
20140241970
2014-08-28

Process and apparatus for improving the operation of wet scrubbers

#126
20140199221
2014-07-17

Method for removing contaminants from exhaust gases

#127
20140144594
2014-05-29

PROCESS FOR CHLORIDE REDUCTION

#128
20140131621
2014-05-15

Method for purification and conditioning of crude syngas based on properties of molten salts

#129
20140050643
2014-02-20

Flur-gas purification and reclamation system and method thereof

#130
20130343977
2013-12-26

Continuous diffusion denuding with moving denuding surface

#131
20130112076
2013-05-09

Recovery of Xe and other high value compounds

#132
20130074693
2013-03-28

Water-saving liquid-gas conditioning system

#133
20130004399
2013-01-03

Process for disposal of hexachlorodisilane-containing vapors

#134
20120321522
2012-12-20

Zero pollution recovery system for safely producing anhydrous fluorine hydride

#135
20120244053
2012-09-27

STAGED ABSORBER SYSTEM AND METHOD

#136
20120202685
2012-08-09

Dry scrubbing media compositions and methods of production and use

#137
20120198998
2012-08-09

Hydrogen gas recovery system and hydrogen gas separation and recovery method

#138
20120189521
2012-07-26

Air pollution control device and method for reducing amount of mercury in flue gas

#139
20120145527
2012-06-14

CONTINUOUS DECHLORINATION PROCESS AND EQUIPMENT

#140
20120128560
2012-05-24

Process and system for syngas treatment

#141
20120100491
2012-04-26

Semiconductor Production Equipment Including Fluorine Gas Generator

#142
20110300052
2011-12-08

PARTICULATE MATTER AND METHODS OF OBTAINING SAME FROM A KRAFT WASTE RECLAMATION

#143
20110206582
2011-08-25

GAS SCRUBBING APPARATUS AND GAS SCRUBBING METHOD

#144
20110182799
2011-07-28

SEQUESTRATION OF A GAS EMITTED BY AN INDUSTRIAL PLANT

#145
20110158873
2011-06-30

SEQUESTRATION OF A GAS EMITTED BY AN INDUSTRIAL PLANT

#146
20110135554
2011-06-09

Systems and methods for removing gaseous pollutants from a gas stream

#147
20110097253
2011-04-28

FLUORINE PURIFICATION

#148
20110082028
2011-04-07

Mercury oxidation catalyst and method for producing the same

#149
20110076211
2011-03-31

Reactive gas control

#150
20110023908
2011-02-03

METHODS AND APPARATUS FOR PROCESS ABATEMENT WITH RECOVERY AND REUSE OF ABATEMENT EFFLUENT

#151
20110011263
2011-01-20

Method for absorbing chlorine from gas streams

#152
20110000191
2011-01-06

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#153
20100329956
2010-12-30

Exhaust gas treatment method and system

#154
20100316548
2010-12-16

METHODS AND SYSTEMS FOR EFFICIENT NEUTRALIZATION OF ACID GASES

#155
20100296993
2010-11-25

Method for the cleaning of off-gas

#156
20100278703
2010-11-04

Method to neutralize hydrogen chloride in superheated geothermal steam without destroying superheat

#157
20100260654
2010-10-14

Method and device for entrained-flow sulfation of flue gas constituents

#158
20100258510
2010-10-14

METHODS AND APPARATUS FOR TREATING EFFLUENT

#159
20100247412
2010-09-30

Method for Removal of CIO3F

#160
20100175552
2010-07-15

Systems and methods for removing gaseous pollutants from a gas stream

#161
20100139481
2010-06-10

Method of treating a gas system

#162
20100111777
2010-05-06

Low cost wet lime/limestone/sodium FGD system

#163
20100108107
2010-05-06

SYSTEM AND APPARATUS FOR FLUORIDE ION CLEANING

#164
20100101414
2010-04-29

Method of treating a gas stream

#165
20100064891
2010-03-18

Reactive gas control

#166
20100008838
2010-01-14

METHODS AND APPARATUS FOR ABATING ELECTRONIC DEVICE MANUFACTURING PROCESS EFFLUENT

#167
20090293732
2009-12-03

Polyisocyanate production system and gas treatment apparatus

#168
20090257936
2009-10-15

Process for the treatment of gas phase alkaline chloride in a combustion plant

#169
20090238728
2009-09-24

Plasma scrubber

#170
20090232723
2009-09-17

PARTICULATE MATTER AND METHODS OF OBTAINING SAME FROM A KRAFT WASTE RECLAMATION

#171
20090208395
2009-08-20

Process and apparatus for reducing nitrogen oxides and halogenated organic compounds in incineration plants

#172
20090205495
2009-08-20

Apparatus and method for providing heated effluent gases to a scrubber

#173
20090166173
2009-07-02

Effluent gas recovery process for silicon production

#174
20090162269
2009-06-25

Reduced liquid discharge in wet flue gas desulfurization

#175
20090104100
2009-04-23

Method for detoxifying HCD gas and apparatus therefor

#176
20090104099
2009-04-23

Rich gas absorption apparatus and method

#177
20090100905
2009-04-23

Process for Treating Perfluorides

#178
20090092529
2009-04-09

Systems and methods for removing gaseous pollutants from a gas stream

#179
20090038310
2009-02-12

Method for preventing chlorine deposition on the heat-transferring surfaces of a boiler

#180
20090010814
2009-01-08

EFFLUENT GAS STREAM TREATMENT SYSTEM HAVING UTILITY FOR OXIDATION TREATMENT OF SEMICONDUCTOR MANUFACTURING EFFLUENT GASES

#181
20080264255
2008-10-30

PROCESSES FOR REMOVING SOx AND SULFURIC ACID AEROSOLS FROM CHLORINE-CONTAINING PROCESS GASES

#182
20080236458
2008-10-02

Method and device for reducing polyhalogenated compounds in incineration plants

#183
20080138252
2008-06-12

Polyisocyanate production system and gas treatment apparatus

#184
20080134890
2008-06-12

Method and apparatus for cleaning the waste gases from a silicon thin-film production plant

#185
20080127822
2008-06-05

Dry-scrubbing media compositions and methods of production and use

#186
20080102011
2008-05-01

TREATMENT OF EFFLUENT CONTAINING CHLORINE-CONTAINING GAS

#187
20080034970
2008-02-14

Sulfur hexafluoride recycling system and method for recycling sulfur hexafluoride

#188
20070274875
2007-11-29

APPARATUS AND PROCESS FOR THE ABATEMENT OF SEMICONDUCTOR MANUFACTURING EFFLUENTS CONTAINING FLUORINE GAS

#189
20070272299
2007-11-29

Methods and apparatus for downstream dissociation of gases

#190
20070269358
2007-11-22

PROCESSES FOR ABSORBING CHLORINE FROM A GAS CONTAINING CHLORINE AND CARBON DIOXIDE

#191
20070253879
2007-11-01

METHOD FOR REMOVING HALOGEN SERIES GAS AND AGENT FOR REMOVING HALOGEN SERIES GAS

#192
20070248516
2007-10-25

Method of treating a gas stream

#193
20070235339
2007-10-11

Method and Apparatus for Treating a Fluorocompound-Containing Gas Stream

#194
20070217983
2007-09-20

Gas abatement

#195
20070212288
2007-09-13

Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases

#196
20070190469
2007-08-16

METHODS AND APPARATUS FOR PREVENTING DEPOSITION OF REACTION PRODUCTS IN PROCESS ABATEMENT REACTORS

#197
20070172399
2007-07-26

Methods and apparatus for sensing characteristics of the contents of a process abatement reactor

#198
20070172398
2007-07-26

Apparatus for manufacturing a process abatement reactor

#199
20070169889
2007-07-26

METHODS AND APPARATUS FOR SELECTIVELY COUPLING PROCESS TOOLS TO ABATEMENT REACTORS

#200
20070166205
2007-07-19

EFFLUENT GAS STREAM TREATMENT SYSTEM HAVING UTILITY FOR OXIDATION TREATMENT OF SEMICONDUCTOR MANUFACTURING EFFLUENT GASES

#201
20070154372
2007-07-05

Exhaust gas treatment agent, exhaust gas treatment method and exhaust gas treatment device

#202
20070107595
2007-05-17

Method and apparatus for collecting chemical compounds from semiconductor processing

#203
20070086931
2007-04-19

Methods and apparatus for process abatement

#204
20070041879
2007-02-22

Apparatus and method for controlled decomposition oxidation of gaseous pollutants

#205
20070014706
2007-01-18

Process and device for cleaning combustion flue gases

#206
20060233687
2006-10-19

Process for cleaning gases from gasification units

#207
20060198769
2006-09-07

Apparatus for abatement of by-products generated from deposition processes and cleaning of deposition chambers

#208
20060127293
2006-06-15

System and method for processing semiconductor material using radiant energy source

#209
20060122793
2006-06-08

Process for treating perfluorides

#210
20060120939
2006-06-08

Gas scrubbing method using electric energy and fossil fuel and gas scrubber thereof

#211
20060101993
2006-05-18

Process byproduct trap and system including same

#212
20060065120
2006-03-30

Exhaust gas treatment

#213
20060057045
2006-03-16

Exhaust gas decomposition processor

#214
20050249643
2005-11-10

Apparatus and process for the abatement of semiconductor manufacturing effluents containing fluorine gas

#215
20050175524
2005-08-11

Method and apparatus for treating exhaust gas

#216
20050172616
2005-08-11

Device for the purification of exhaust gases consisting of fluorine-containing compounds in a combustion reactor

#217
20050123461
2005-06-09

Apparatus and process for the separation of particles from thermally after-treated process offgases

#218
20050118085
2005-06-02

Chamber cleaning or etching gas regeneration and recycle method

#219
20050109419
2005-05-26

Gas supplying method and system

#220
20050061150
2005-03-24

Process byproduct trap, methods of use, and system including same

#221
20050031500
2005-02-10

Semiconductor waste gas processing device with flame path

#222
20050029197
2005-02-10

Method for eliminating metal halides that are present in a liquid or gaseous, organic or non-organic effluent

#223
17672899
2023-02-14

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

#224
15248670
2020-07-07

Odor filter