ClassID:

30481

B01D2257/204 - CPC Classification

Classification description:

Components to be removed; Halogens or halogen compounds Inorganic 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
20260034510
2026-02-05

SYSTEMS AND METHODS FOR RECOVERY OF SUBSTANCES FROM MOLTEN SALT ELECTROLYSIS

#4
20260021440
2026-01-22

SYSTEM AND METHOD FOR PROCESS CHEMISTRY ABATEMENT AND RECYCLING

#5
20250381520
2025-12-18

ABATEMENT APPARATUS AND METHOD

#6
20250345747
2025-11-13

FLUORINATED GAS ABATEMENT AND FLUORIDE SEQUESTRATION USING SILICON

#7
20250276282
2025-09-04

SYSTEMS AND METHODS FOR PREVENTING COLORED EMISSIONS IN CHEMICAL PROCESSES

#8
20250257022
2025-08-14

Process For the Production of Methanol and Hydrogen from Methane Using a Solid Metal Hydroxide Reagent

#9
20250222399
2025-07-10

METHOD FOR SCRUBBING SULFURYL FLUORIDE FROM A FLUID

#10
20250201539
2025-06-19

PLASMA ABATEMENT TECHNOLOGY UTILIZING WATER VAPOR AND OXYGEN REAGENT

#11
20250166978
2025-05-22

PLASMA ABATEMENT TECHNOLOGY UTILIZING WATER VAPOR AND OXYGEN REAGENT

#12
20250114740
2025-04-10

COMPACT SCRUBBER FOR PLASMA ABATEMENT GAS STREAM

#13
20240375063
2024-11-14

FILTRATION MEMBRANE

#14
20240327719
2024-10-03

APPARATUS FOR PVC-CONTAINING MIXED PLASTIC WASTE PYROLYSIS

#15
20240165559
2024-05-23

SCRUBBER SYSTEM

#16
20240082783
2024-03-14

SYSTEMS AND METHODS FOR RECOVERY OF SUBSTANCES FROM MOLTEN SALT ELECTROLYSIS

#17
20240063031
2024-02-22

PROCESS STOP LOSS REDUCTION SYSTEM THROUGH RAPID REPLACEMENT OF APPARATUS FOR TRAPPING OF REACTION BY-PRODUCT FOR SEMICONDUCTOR PROCESS

#18
20230416636
2023-12-28

Method for pre-hydrotreating and purifying waste lubricating oil

#19
20230365870
2023-11-16

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

#20
20230271133
2023-08-31

DEVICE FOR TREATING SEMICONDUCTOR PROCESS EXHAUST GAS

#21
20230257660
2023-08-17

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

#22
20230089058
2023-03-23

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

#23
20230079446
2023-03-16

COMPOSITE ADSORBENT-CONTAINING BODIES AND RELATED METHODS

#24
20230050362
2023-02-16

System for converting an existing ethylene oxide vacuum sterilizer into a chlorine dioxide vacuum sterilizer

#25
20230017568
2023-01-19

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

#26
20220219982
2022-07-14

METHOD FOR PRODUCING BROMINE PENTAFLUORIDE

#27
20220203300
2022-06-30

METHOD FOR CLEANING SULFUROUS CORROSIVE PROCESS GASES

#28
20220203290
2022-06-30

Exhaust gas processing system including adsorbent for suppressing powder-like byproduct

#29
20220139587
2022-05-05

IODINE TRAPPING APPARATUS AND NUCLEAR POWER STRUCTURE

#30
20220134291
2022-05-05

LITHIUM EXTRACTION COMPOSITE FOR RECOVERY OF LITHIUM FROM BRINES, AND PROCESS OF USING SAID COMPOSITION

#31
20220010213
2022-01-13

Process for PVC-containing mixed plastic waste pyrolysis

#32
20210394117
2021-12-23

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

#33
20210388127
2021-12-16

Tetrafluoroethylene polymer, air filter medium, filter pack, and air filter unit

#34
20210257684
2021-08-19

Gas adsorption sheet for secondary batteries

#35
20210245098
2021-08-12

Piping apparatus having harmful gas treatment device, design method therefor, and harmful gas treatment facility comprising same

#36
20210106940
2021-04-15

ADSORBENT-ASSISTED STABILIZATION OF HIGHLY REACTIVE GASES

#37
20210057236
2021-02-25

Exhaust gas processing apparatus

#38
20200406187
2020-12-31

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

#39
20200358241
2020-11-12

Gas management system

#40
20200358240
2020-11-12

Gas management system

#41
20200357615
2020-11-12

Plasma abatement system utilizing water vapor and oxygen reagent

#42
20200240012
2020-07-30

Silicon-containing product forming apparatus

#43
20200188835
2020-06-18

Method For Removing Gaseous Contaminants From A Fluid Stream

#44
20200033000
2020-01-30

METHOD AND APPARATUS FOR EXHAUST GAS ABATEMENT UNDER REDUCED PRESSURE

#45
20200030734
2020-01-30

Air filter medium

#46
20190374927
2019-12-12

Adsorbent composition for the removal of chlorides from hydrocarbon

#47
20190320640
2019-10-24

Fumigation System and Method

#48
20190275473
2019-09-12

Lithium extraction composite for recovery of lithium from brines, and process of using said composition

#49
20190262760
2019-08-29

Wet abatement system

#50
20190257580
2019-08-22

Component removal from a gas stream

#51
20190210001
2019-07-11

Carbon sorbents for the removal of nitrogen oxides and methods for making the same

#52
20190193069
2019-06-27

Process for recovery of lithium from brine

#53
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

#54
20190099713
2019-04-04

Gas filter

#55
20190091620
2019-03-28

Adsorbent-assisted stabilization of highly reactive gases

#56
20190060865
2019-02-28

Carbide derived carbon for use in chemical scrubbers

#57
20190009206
2019-01-10

Purification process

#58
20180366307
2018-12-20

Plasma abatement technology utilizing water vapor and oxygen reagent

#59
20180345210
2018-12-06

Deodorizing apparatus and deodorizing method

#60
20180337027
2018-11-22

Apparatus for collection and subsequent reaction of liquid and solid effluent into gaseous effluent

#61
20180214812
2018-08-02

Abatement system

#62
20180209644
2018-07-26

Inlet assembly

#63
20180207584
2018-07-26

Method of osmotic pressure free reverse osmosis for enriching solute-containing solution to high concentration

#64
20180207581
2018-07-26

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

#65
20180207580
2018-07-26

Vacuum pump with abatement function

#66
20180161726
2018-06-14

SYSTEM AND METHOD FOR MERCURY CONTROL FOR USE IN CONJUNCTION WITH ONE OR MORE NATIVE HALOGENS CONTAINED IN A COMBUSTION FUEL AND/OR SOURCE

#67
20180161724
2018-06-14

Device of purifying hydrogen fluoride in semiconductor process waste gas

#68
20180037527
2018-02-08

Process scheme to improve divalent metal salts removal from mono ethylene glycol (MEG)

#69
20170320736
2017-11-09

Combined membrane-pressure swing adsorption method for recovery of helium

#70
20170259207
2017-09-14

Emissions contaminant capture and collection system utilizing an integrated fluidized bed apparatus and method of use

#71
20170151531
2017-06-01

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

#72
20170120189
2017-05-04

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

#73
20170064939
2017-03-09

Fumigation system and method

#74
20160317965
2016-11-03

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

#75
20160236169
2016-08-18

Carbon sorbents for the removal of nitrogen oxides and methods for making the same

#76
20160184774
2016-06-30

Flue-gas purification and reclamation system and method thereof

#77
20160152474
2016-06-02

Apparatus for preparing phosphoric acid from fume exiting the kiln in a kiln phosphoric acid process

#78
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

#79
20160089655
2016-03-31

PVDF pyrolyzate adsorbent and gas storage and dispensing system utilizing same

#80
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

#81
20160074802
2016-03-17

Portable dry scrubber

#82
20160045860
2016-02-18

Vacuum pumping and abatement system

#83
20150367278
2015-12-24

Apparatus and method for recovery of target gas

#84
20150283493
2015-10-08

Layered or mixed sorbent bed protective filtration device

#85
20150266744
2015-09-24

Reduction of SiCl4 in the presence of BCl3

#86
20150265996
2015-09-24

Reduction of SiCl4 in the presence of BCl3

#87
20150176838
2015-06-25

Inlet assembly

#88
20150104365
2015-04-16

Flue-gas purification and reclamation system and method thereof

#89
20140370289
2014-12-18

Methods and active materials for reducing halide concentration in gas streams

#90
20140352820
2014-12-04

Vacuum pump with abatement function

#91
20140348717
2014-11-27

Vacuum pump with abatement function

#92
20140346247
2014-11-27

Dry flue gas desulfurization system with dual feed atomizer liquid distributor

#93
20140296607
2014-10-02

Purification process

#94
20140295362
2014-10-02

Vacuum pump with abatement function

#95
20140294609
2014-10-02

Gas pumping and treatment device

#96
20140158939
2014-06-12

Calcium looping process for high purity hydrogen production integrated with capture of carbon dioxide, sulfur and halides

#97
20140050643
2014-02-20

Flur-gas purification and reclamation system and method thereof

#98
20140030178
2014-01-30

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

#99
20130323149
2013-12-05

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

#100
20130206006
2013-08-15

Off gas extraction and chemical recovery system and related methods

#101
20130127075
2013-05-23

Gas-liquid contacting plate, gas-liquid contacting laminated block body, gas-liquid contacting laminated structure and gas purification device

#102
20130118989
2013-05-16

Process scheme to improve divalent metal salts removal from mono ethylene glycol (MEG)

#103
20130004399
2013-01-03

Process for disposal of hexachlorodisilane-containing vapors

#104
20120189519
2012-07-26

Flue-gas purification and reclamation system and method thereof

#105
20120180660
2012-07-19

PVDF pyrolyzate adsorbent and gas storage and dispensing system utilizing same

#106
20120070361
2012-03-22

METHOD FOR COLLECTION OF HEXACHLORODISILANE AND PLANT FOR THE METHOD

#107
20120058033
2012-03-08

METHOD FOR CATALYTIC TREATING PERFLUOROCOMPOUND GAS INCLUDING PARTICLE REMOVING UNIT

#108
20120042691
2012-02-23

Vapor recovery system utilizing compression-condensation processes and related methods

#109
20110246395
2011-10-06

Method and Apparatus For Welding Cost Calculator

#110
20110206582
2011-08-25

GAS SCRUBBING APPARATUS AND GAS SCRUBBING METHOD

#111
20110200520
2011-08-18

Calcium looping process for high purity hydrogen production integrated with capture of carbon dioxide, sulfur and halides

#112
20110194986
2011-08-11

Selective catalytic reduction (SCR) reactor assembly to remove fine particles from poisoning or interfering with SCR catalyst activity in biomass fuel applications

#113
20110185953
2011-08-04

Exhaust gas treatment method and system in cement burning facility

#114
20110158878
2011-06-30

Method and device for processing exhaust gas

#115
20110041690
2011-02-24

Method and apparatus for removing volatile contaminants from industrial plants

#116
20100322827
2010-12-23

METHOD AND DEVICE FOR CLEANING THE WASTE GASES OF A PROCESSING SYSTEM

#117
20100260654
2010-10-14

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

#118
20100258510
2010-10-14

METHODS AND APPARATUS FOR TREATING EFFLUENT

#119
20100252411
2010-10-07

Control method of plasma by magnetic field in an exhaust gas treating apparatus and an exhaust gas treating apparatus using the same

#120
20100247412
2010-09-30

Method for Removal of CIO3F

#121
20100166630
2010-07-01

Reactive chemical containment system

#122
20100147968
2010-06-17

Dry flue gas desulfurization system with dual feed atomizer liquid distributor

#123
20100116140
2010-05-13

Exhaust gas cleaning apparatus

#124
20100101414
2010-04-29

Method of treating a gas stream

#125
20100086459
2010-04-08

Impurity removing apparatus and method of operating the same

#126
20100071548
2010-03-25

Method of treating gas

#127
20100008838
2010-01-14

METHODS AND APPARATUS FOR ABATING ELECTRONIC DEVICE MANUFACTURING PROCESS EFFLUENT

#128
20090205495
2009-08-20

Apparatus and method for providing heated effluent gases to a scrubber

#129
20090183684
2009-07-23

Plasma treatment device

#130
20090155154
2009-06-18

APPARATUS FOR DECOMPOSING SUFLUR-FLUORINE-CONTAINING COMPOUND AND METHOD THEREOF

#131
20090145741
2009-06-11

Method for catalytic treating perfluorocompound gas including particle removing unit

#132
20090120088
2009-05-14

System for reducing the sulfur oxides emissions generated by a turbomachine

#133
20090114096
2009-05-07

Separation, purification and recovery method of SF, HFCs and PFCs

#134
20090104100
2009-04-23

Method for detoxifying HCD gas and apparatus therefor

#135
20090101584
2009-04-23

Process for removing contaminants using reverse flow reactor with integrated separation

#136
20090056552
2009-03-05

Apparatus and method for separating gas

#137
20090056540
2009-03-05

Apparatus and method for separating gas

#138
20090031929
2009-02-05

APPARATUS FOR OIL SHALE POLLUTANT SORPTION/NOx REBURNING MULTI-POLLUTANT CONTROL

#139
20080280750
2008-11-13

Catalysts for treating acid and halogen gases and production methods thereof

#140
20080236388
2008-10-02

Cartridge for treating a gas

#141
20080193351
2008-08-14

OIL SHALE DERIVED POLLUTANT CONTROL MATERIALS AND METHODS AND APPARATUSES FOR PRODUCING AND UTILIZING THE SAME

#142
20080190762
2008-08-14

Exhaust gas treating system

#143
20080134890
2008-06-12

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

#144
20080119351
2008-05-22

Decomposing catalyst for perfluorinated compound, carbon hydrofluoride, perchloro-carbon and carbon hydrochloride gas compounds and method of producing it

#145
20080069751
2008-03-20

Method of neutralizing acid exhaust gas

#146
20080047586
2008-02-28

SYSTEMS AND METHODS FOR OPERATING AND MONITORING ABATEMENT SYSTEMS

#147
20080034970
2008-02-14

Sulfur hexafluoride recycling system and method for recycling sulfur hexafluoride

#148
20070272299
2007-11-29

Methods and apparatus for downstream dissociation of gases

#149
20070157804
2007-07-12

METHOD AND APPARATUS FOR DECOMMISSIONING AND RECYCLING RETIRED ADSORBENT-BASED FLUID STORAGE AND DISPENSING VESSELS

#150
20070098612
2007-05-03

Set of processes for removing impurities from a silcon production facility

#151
20070098035
2007-05-03

Cement kiln chlorine/sulfur bypass system

#152
20070086931
2007-04-19

Methods and apparatus for process abatement

#153
20060280666
2006-12-14

Oil shale derived pollutant control materials and methods and apparatuses for producing and utilizing the same

#154
20060180026
2006-08-17

Method and apparatus for preventing products of TiCLand NHor other feed gas reactions from damaging vacuum pumps in TiN or other deposition systems

#155
20060120938
2006-06-08

Process for treating fluorine compound-containing gas

#156
20060120933
2006-06-08

Method oil shale pollutant sorption/NOreburning multi-pollutant control

#157
20060093547
2006-05-04

Process for treating fluorine compound-containing gas

#158
20050271568
2005-12-08

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

#159
20050147548
2005-07-07

Combined chemical agent and dynamic oxidation treatment of hazardous gas

#160
20050056148
2005-03-17

Method and apparatus for the abatement of toxic gas components from a semiconductor manufacturing process effluent stream

#161
20050029197
2005-02-10

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

#162
15711195
2018-03-27

Device for detecting and decontaminating hazardous chemicals

#163
15710272
2018-03-27

Composition of magnetic materials for sensing and decontaminating toxic chemicals

#164
15179076
2017-09-26

Magnetic materials for sensing and decontaminating toxic chemicals