ClassID:

30484

B01D2257/2047 - CPC Classification

Classification description:

Components to be removed; Halogens or halogen compounds; Inorganic halogen compounds Hydrofluoric acid

Recent Application in this class:
#1
20260124578
2026-05-07

METHOD FOR PRODUCING HYDROGEN FLUORIDE ADSORBENT

#2
20260115661
2026-04-30

CATALYST TREATMENT APPARATUS USING PLASMA AND EXHAUST GAS TREATMENT SYSTEM USING THE SAME

#3
20250364683
2025-11-27

BATTERY SAFETY SYSTEM HAVING A CONTROLLED GAS RELEASE FUNCTION

#4
20250325940
2025-10-23

CHEMICAL SEPARATION FOR FLUORINE RECIRCULATION

#5
20240399335
2024-12-05

GAS-PHASE HAZARDOUS SUBSTANCE TREATMENT MEMBER AND PREPARATION METHOD, ENERGY STORAGE DEVICE AND ELECTRICAL EQUIPMENT

#6
20240327232
2024-10-03

METHOD FOR THE PRODUCTION OF GRANULES COMPRISING A MAGNESIUM ION-COMPRISING MATERIAL

#7
20240226808
2024-07-11

DETACHABLE CHEMICAL FILTERS

#8
20240157284
2024-05-16

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

#9
20240001297
2024-01-04

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

#10
20230183068
2023-06-15

NOVEL METHOD FOR PRETREATING AND RECOVERING A RARE GAS FROM A GAS CONTAMINANT STREAM EXITING AN ETCH CHAMBER

#11
20220363540
2022-11-17

Method for pretreating and recovering a rare gas from a gas contaminant stream exiting an etch chamber

#12
20220355243
2022-11-10

Synergetic system and method for waste treatment

#13
20220054972
2022-02-24

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

#14
20220048044
2022-02-17

System and method for integrated removal of multiple pollutants in flue gas with near-zero emission

#15
20210348812
2021-11-11

Refrigeration system with purge and acid filter

#16
20210162341
2021-06-03

METHOD FOR TREATING EXHAUST GAS CONTAINING ELEMENTAL FLUORINE

#17
20210093997
2021-04-01

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

#18
20210069640
2021-03-11

Calcium hydroxide-containing compositions and associated systems and methods

#19
20200330957
2020-10-22

Air filters comprising polymeric sorbents for reactive gases

#20
20200206686
2020-07-02

Method and facility for purifying a feed gas stream comprising at least 90% CO2

#21
20200188846
2020-06-18

Calcium hydroxide-containing compositions and associated systems and methods

#22
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

#23
20200139301
2020-05-07

Apparatus and method for wet cleaning a gas stream

#24
20190352242
2019-11-21

SYSTEMS AND METHODS FOR SEPARATING (E)-1-CHLORO-3,3,3-TRIFLUOROPROPENE, HF, AND A HEAVY ORGANIC AND REACTOR PURGE

#25
20190351368
2019-11-21

Calcium hydroxide-containing compositions and associated systems and methods

#26
20190285323
2019-09-19

Refrigeration system with purge and acid filter

#27
20190276329
2019-09-12

GENERATION OF CALCIUM FLUORIDE FROM HF GAS STREAMS

#28
20190275463
2019-09-12

Low pressure drop static mixing system

#29
20190201841
2019-07-04

Integrated Wet Scrubbing System

#30
20190193049
2019-06-27

Highly porous powdered slaked lime composition

#31
20190134560
2019-05-09

Hydrochloric acid purification process and plant

#32
20190047858
2019-02-14

Method for Purifying Fluorine Gas

#33
20190046917
2019-02-14

Method for purifying fluorine compound gas

#34
20190027771
2019-01-24

ACID GAS REGENERABLE BATTERY

#35
20190022578
2019-01-24

Composition for the Purification of Flue Gas

#36
20190015778
2019-01-17

Composition for the Purification of Flue Gas

#37
20190001257
2019-01-03

Wet flue gas desulfurization process and apparatus

#38
20180361316
2018-12-20

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

#39
20180347812
2018-12-06

Device and method for treating flue gases

#40
20180345213
2018-12-06

METHOD FOR TREATING EXHAUST GAS CONTAINING ELEMENTAL FLUORINE

#41
20180326351
2018-11-15

PROCESS FOR TREATING FLUE GASES RESULTING FROM A COMBUSTION OR CALCINATION FURNACE AND PLANT FOR THE IMPLEMENTATION OF SUCH A PROCESS

#42
20180264403
2018-09-20

Calcium hydroxide-containing compositions and associated systems and methods

#43
20180250628
2018-09-06

SORBENT INJECTION SYSTEM AND METHOD FOR TREATING FLUE GASES

#44
20180223204
2018-08-09

Gas separation by vaporized compound

#45
20180194703
2018-07-12

SYSTEMS AND METHODS FOR SEPARATING (E)-1-CHLORO-3,3,3-TRIFLUOROPROPENE, HF, AND A HEAVY ORGANIC AND REACTOR PURGE

#46
20180169579
2018-06-21

Flue gas cleaning installation and method for cleaning flue gas

#47
20180169573
2018-06-21

PROCESS FOR TREATING A GAS CONTAMINATED BY METALS OR ORGANICS COMPOUNDS USING A CALCIUM-PHOSPHATE REACTANT COMPRISING APATITE

#48
20180155843
2018-06-07

Integrated gas treatment

#49
20180126321
2018-05-10

Radial air purification system for removal of contaminants from a gas and methods of fabrication

#50
20180036678
2018-02-08

Method and device for improving the capture of sulfur dioxide from the gases of electrolysis tanks by a set of filtering modules

#51
20180015413
2018-01-18

Abatement device

#52
20170333830
2017-11-23

Method for waste gas dedusting and dedusting agent

#53
20170312683
2017-11-02

Wet flue gas desulfurization system with zero waste water liquid discharge

#54
20170173515
2017-06-22

FACILITY AND METHOD FOR PURIFICATION BY ADSORPTION OF A GASEOUS FLOW COMPRISING A CORROSIVE IMPURITY

#55
20170165607
2017-06-15

METHODS AND APPARATUS TO TREAT EXHAUST STREAMS

#56
20170158586
2017-06-08

Hydrochloric acid purification process

#57
20170121833
2017-05-04

Integrated gas treatment

#58
20170113085
2017-04-27

TREATMENT METHOD FOR COAL FLY ASH

#59
20170028345
2017-02-02

Slurry control system

#60
20160346730
2016-12-01

Method of controlling a wet scrubber useful for removing sulphur dioxide from a process gas

#61
20160332117
2016-11-17

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

#62
20160243497
2016-08-25

Circulating dry scrubber system and method

#63
20160243494
2016-08-25

Apparatus and method for evaporating waste water and reducing acid gas emissions

#64
20160236205
2016-08-18

Gas treatment apparatus

#65
20160214085
2016-07-28

Air filtration using manganese oxide

#66
20160214062
2016-07-28

Separation and recycling system of perfluorinated compounds

#67
20160184774
2016-06-30

Flue-gas purification and reclamation system and method thereof

#68
20160158708
2016-06-09

Polymer membrane for gas separation or enrichment comprising hybrid nanoporous material, uses thereof, and a preparation method thereof

#69
20160152536
2016-06-02

Method for separating organofluorine compounds using membrane

#70
20160144316
2016-05-26

Low pressure drop static mixing system

#71
20160129394
2016-05-12

Method and device for treating gas by injecting a powdered compound and an aqueous phase

#72
20160107117
2016-04-21

Corrosion resistant abatement system

#73
20160101384
2016-04-14

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

#74
20160089655
2016-03-31

PVDF pyrolyzate adsorbent and gas storage and dispensing system utilizing same

#75
20160074802
2016-03-17

Portable dry scrubber

#76
20160030914
2016-02-04

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

#77
20160016729
2016-01-21

Conveying system for injecting material at a convey line pressure

#78
20150343377
2015-12-03

System for recycling of cooling devices

#79
20150260192
2015-09-17

Vacuum pump with abatement function

#80
20150260174
2015-09-17

Vacuum pump with abatement function

#81
20150202568
2015-07-23

Systems and methods for acid gas removal from a gaseous stream

#82
20150174526
2015-06-25

Wet type flue-gas desulfurization method

#83
20150098877
2015-04-09

Circulating dry scrubber system and method

#84
20150093294
2015-04-02

Air filtration using manganese oxide

#85
20150027373
2015-01-29

Apparatus for treating a gas stream

#86
20150027202
2015-01-29

Recovery of Xe and other high value compounds

#87
20150000870
2015-01-01

Exhaust gas abatement system

#88
20140356269
2014-12-04

Recovery of halogens by partial condensation

#89
20140283687
2014-09-25

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

#90
20140230647
2014-08-21

Method of controlling a wet scrubber useful for removing sulphur dioxide from a process gas

#91
20140109800
2014-04-24

Process and plant for producing cement clinker and for purifying the offgases formed

#92
20140083844
2014-03-27

Fluorine gas generator

#93
20140004009
2014-01-02

Apparatus for processing exhaust fluid

#94
20130333565
2013-12-19

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

#95
20130327215
2013-12-12

Compact air quality control system compartment for aluminium production plant

#96
20130315789
2013-11-28

UV assisted polymer modification and in situ exhaust cleaning

#97
20130312610
2013-11-28

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

#98
20130291724
2013-11-07

Process for capturing acid gases

#99
20130283830
2013-10-31

Refrigeration system with purge and acid filter

#100
20130206005
2013-08-15

Gas cleaning unit and method for cleaning gas

#101
20130160643
2013-06-27

SELF CLEANING SORBENT INJECTION LANCE

#102
20130125749
2013-05-23

Boosted no-lance injection systems and methods

#103
20130112076
2013-05-09

Recovery of Xe and other high value compounds

#104
20130095018
2013-04-18

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

#105
20130095015
2013-04-18

Method for biogas treatment

#106
20130092627
2013-04-18

Caustic scrubber system and method for biogas treatment

#107
20130087287
2013-04-11

PLASMA REACTOR FOR REMOVAL OF CONTAMINANTS

#108
20130036953
2013-02-14

Wet Type Flue-Gas Desulfurization Apparatus and Thermal Power Plant Having the Same

#109
20130023126
2013-01-24

Method for the manufacture of electronic devices with purified fluorine

#110
20120321522
2012-12-20

Zero pollution recovery system for safely producing anhydrous fluorine hydride

#111
20120318665
2012-12-20

Apparatus for Generating Fluorine Gas

#112
20120269708
2012-10-25

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

#113
20120251423
2012-10-04

Methods for reducing the acidic gas content of effluent gases

#114
20120237423
2012-09-20

METHOD AND SYSTEM FOR MULTI-STAGE FLUE GAS CLEANING

#115
20120235086
2012-09-20

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

#116
20120180660
2012-07-19

PVDF pyrolyzate adsorbent and gas storage and dispensing system utilizing same

#117
20120160340
2012-06-28

Slurry control system

#118
20120100491
2012-04-26

Semiconductor Production Equipment Including Fluorine Gas Generator

#119
20120079939
2012-04-05

Recovering of xenon by adsorption process

#120
20120049114
2012-03-01

Gas stream multi-pollutants control systems and methods

#121
20120020861
2012-01-26

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

#122
20120010306
2012-01-12

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

#123
20110288184
2011-11-24

Modular plant for removal of pollutants from flue gases produced by industrial processes

#124
20110268639
2011-11-03

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

#125
20110226989
2011-09-22

Gas stream multi-pollutants control systems and methods

#126
20110223088
2011-09-15

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

#127
20110182799
2011-07-28

SEQUESTRATION OF A GAS EMITTED BY AN INDUSTRIAL PLANT

#128
20110177693
2011-07-21

Reversible water-free process for the separation of acid-containing gas mixtures

#129
20110158878
2011-06-30

Method and device for processing exhaust gas

#130
20110158873
2011-06-30

SEQUESTRATION OF A GAS EMITTED BY AN INDUSTRIAL PLANT

#131
20110044870
2011-02-24

System and method for flue gas scrubbing

#132
20110023908
2011-02-03

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

#133
20110000191
2011-01-06

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#134
20100311847
2010-12-09

Process for the purification of crude gas from solids gasification

#135
20100296993
2010-11-25

Method for the cleaning of off-gas

#136
20100280292
2010-11-04

METHOD OF RECOVERING HYDROFLUORIC ACID

#137
20100263529
2010-10-21

Method for the purification of a gas containing CO

#138
20100219373
2010-09-02

GAS STREAM MULTI-POLLUTANTS CONTROL SYSTEMS AND METHODS

#139
20100202947
2010-08-12

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

#140
20100140175
2010-06-10

Polymerized polymeric fluid storage and purification method and system

#141
20100139488
2010-06-10

Flue gas scrubbing apparatus and process

#142
20100111777
2010-05-06

Low cost wet lime/limestone/sodium FGD system

#143
20100107871
2010-05-06

Fluoride ion cleaning method

#144
20100089321
2010-04-15

GENERATION AND DISTRIBUTION OF A FLUORINE GAS

#145
20100047137
2010-02-25

UV assisted polymer modification and in situ exhaust cleaning

#146
20100008838
2010-01-14

METHODS AND APPARATUS FOR ABATING ELECTRONIC DEVICE MANUFACTURING PROCESS EFFLUENT

#147
20090320687
2009-12-31

Wet-type exhaust desulfurizing apparatus

#148
20090320678
2009-12-31

Sorbent Filter for the Removal of Vapor Phase Contaminants

#149
20090242840
2009-10-01

Reversible Water-Free Process for the Separation of Acid-Containing Gas Mixtures

#150
20090223367
2009-09-10

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

#151
20090084264
2009-04-02

Systems for removing toxic airborne contaminants in waxing environments

#152
20090074629
2009-03-19

Bottom ash injection for enhancing spray dryer absorber performance

#153
20090060811
2009-03-05

Wide mesoporous alumina composites having trimodal pore structure

#154
20090001524
2009-01-01

GENERATION AND DISTRIBUTION OF A FLUORINE GAS

#155
20080264254
2008-10-30

Novel sorbents and purification and bulk separation of gas streams

#156
20080236677
2008-10-02

SCRUBBER SYSTEM IN SEMICONDUCTOR

#157
20080050298
2008-02-28

Method For Improving the HF Capture Efficiency of Dry Scrubbers

#158
20080047586
2008-02-28

SYSTEMS AND METHODS FOR OPERATING AND MONITORING ABATEMENT SYSTEMS

#159
20070264188
2007-11-15

Method and apparatus for treating gas containing flourine-containing compounds

#160
20070235339
2007-10-11

Method and Apparatus for Treating a Fluorocompound-Containing Gas Stream

#161
20070217983
2007-09-20

Gas abatement

#162
20070014706
2007-01-18

Process and device for cleaning combustion flue gases

#163
20060127293
2006-06-15

System and method for processing semiconductor material using radiant energy source

#164
20060013745
2006-01-19

Enhanced PFC waste-gas treating system

#165
20050201914
2005-09-15

System and method for treating a flue gas stream

#166
20050056148
2005-03-17

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

#167
20050031515
2005-02-10

Hydrated lime kiln dust recirculation method for gas scrubbing

#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
18533316
2024-09-03

Flexible fuel system for combustion abatement