ClassID:

30532

B01D2258/025 - CPC Classification

Classification description:

Sources of waste gases; Other waste gases from metallurgy plants

Recent Application in this class:
#1
20260084096
2026-03-26

HIGH CAPACITY CARBON DIOXIDE ABSORBENT SOLVENT RESISTANT TO OXIDATIVE DEGRADATION

#2
20260034510
2026-02-05

SYSTEMS AND METHODS FOR RECOVERY OF SUBSTANCES FROM MOLTEN SALT ELECTROLYSIS

#3
20250296070
2025-09-25

ACID GAS CAPTURE THROUGH METAL-LIGAND INSERTION IN POROUS MATERIALS AT ELEVATED TEMPERATURES

#4
20250229224
2025-07-17

PROCESS FOR REDUCING FOSSIL CO2 EMISSIONS

#5
20250214026
2025-07-03

SYSTEM FOR CARBON DIOXIDE CAPTURE AND CARBON RECYCLING FOR STEEL MILL

#6
20250197210
2025-06-19

HYDROGEN PRODUCTION APPARATUS AND METHOD THEREFOR

#7
20250179661
2025-06-05

Reactors and Methods for Production of Sustainable Chemicals using Carbon Emissions of Metallurgical Furnaces

#8
20250170526
2025-05-29

PROCESS FOR SEPARATING WASTE GAS FROM A FERROUS METAL PRODUCTION UNIT

#9
20250170525
2025-05-29

ISOLATION OF CARBON DIOXIDE USING A HALOGEN GAS

#10
20250170521
2025-05-29

PROCESS AND APPARATUS FOR SEPARATING WASTE GAS FROM A FERROUS METAL PRODUCTION UNIT

#11
20250161871
2025-05-22

Method and device for treating primary gas from a metallurgical vessel

#12
20250144557
2025-05-08

CARBON CAPTURE COMPOSITION AND SYSTEM

#13
20250137153
2025-05-01

HYDROGEN GENERATION AND CARBON DIOXIDE STORAGE SYSTEM WITH INCREASED PROCESSING CAPACITY OF CARBON DIOXIDE

#14
20250128208
2025-04-24

ALKALINE CATION ENRICHMENT AND WATER ELECTROLYSIS TO PROVIDE CO2 MINERALIZATION AND GLOBAL-SCALE CARBON MANAGEMENT

#15
20250073638
2025-03-06

Gaseous CO2 Capture Systems for Improving Capture Performance, and Methods of Use Thereof

#16
20250058274
2025-02-20

PROCESS AND SYSTEM FOR REMOVING IMPURITIES FROM A GAS STREAM

#17
20240336986
2024-10-10

SYSTEM AND METHOD FOR REDUCING ORE USING HYDROGEN AS A REDUCING AGENT

#18
20240279691
2024-08-22

METHOD FOR PRODUCING FORMIC ACID USING CARBON MONOXIDE DEHYDROGENASE AND FORMATE DEHYDROGENASE

#19
20240261736
2024-08-08

CARBON MOLECULAR SIEVE MEMBRANE PREPARED FROM HYDROQUINONE AND THE METHOD OF MANUFACTURING

#20
20240218474
2024-07-04

DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR

#21
20240181389
2024-06-06

Hydrolysis reaction device for dechlorination and decyanation of blast furnace gas

#22
20240167170
2024-05-23

Reactors and methods for production of sustainable chemicals using carbon emissions of metallurgical furnaces

#23
20240084410
2024-03-14

BLEED-OFF GAS RECOVERY IN A DIRECT REDUCTION PROCESS

#24
20240082783
2024-03-14

SYSTEMS AND METHODS FOR RECOVERY OF SUBSTANCES FROM MOLTEN SALT ELECTROLYSIS

#25
20240042373
2024-02-08

A SYSTEM AND METHOD FOR DRY SORPTION

#26
20230201766
2023-06-29

SYSTEM AND METHOD FOR CONDITIONING SYNGAS AND CAPTURING CARBON DIOXIDE FROM CONDITIONED SYNGAS FOR PRODUCTION OF POWER, CHEMICALS, AND OTHER VALUE ADDED PRODUCTS

#27
20230149851
2023-05-18

HIGH CAPACITY CARBON DIOXIDE ABSORBENT SOLVENT RESISTANT TO OXIDATIVE DEGRADATION

#28
20230019754
2023-01-19

Alkaline cation enrichment and water electrolysis to provide COmineralization and global-scale carbon management

#29
20230001352
2023-01-05

Flue gas purification and waste heat utilization system and method

#30
20220372587
2022-11-24

DIRECT REDUCED IRON SYSTEM AND METHOD USING SYNTHETIC COMBUSTION AIR

#31
20220306536
2022-09-29

Red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and environment-friendly and high performance civil functional material

#32
20220305439
2022-09-29

GAS PRODUCTION APPARATUS, GAS PRODUCTION SYSTEM, STEEL PRODUCTION SYSTEM, CHEMICAL PRODUCTION SYSTEM, AND GAS PRODUCTION METHOD

#33
20220177984
2022-06-09

System and method for reducing ore using hydrogen as a reducing agent

#34
20220088535
2022-03-24

System and method for conditioning syngas and capturing carbon dioxide from conditioned syngas for production of power, chemicals, and other value added products

#35
20220040639
2022-02-10

Alkaline cation enrichment and water electrolysis to provide COmineralization and global-scale carbon management

#36
20210245091
2021-08-12

Reactor for purifying a gas flow and unit comprising such a reactor

#37
20210205756
2021-07-08

Exhaust stack Carbon Dioxide emissions conversion into Bulk Industrial Chemicals from the combustion of Fossil Fuels/Hydrocarbons or other Chemical/Biochemical processes

#38
20210170334
2021-06-10

System and method for desulfurization and denitrification of alumina calcination flue gas, and use

#39
20210113963
2021-04-22

Method and system for treating foundry process exhaust gas

#40
20210079494
2021-03-18

Method for reducing nitrogen oxides in strip treatment furnaces

#41
20200391157
2020-12-17

Method for treating gas

#42
20200384410
2020-12-10

Elimination of SOand COfrom a gas

#43
20200340070
2020-10-29

Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters

#44
20200283920
2020-09-10

PROCESS FOR ENRICHMENT OF THE CO2 CONCENTRATION IN THE CO2-STREAMS FROM THE POST-COMBUSTION AND PRE-COMBUSTION STATIONARY SOURCES OF CO2 EMISSION UPSTREAM OF FURTHER PROCESSING

#45
20200246746
2020-08-06

Methods for carbon dioxide capture

#46
20200016537
2020-01-16

Gas capture system

#47
20190282994
2019-09-19

Method For Preparing A Sorbent

#48
20190275463
2019-09-12

Low pressure drop static mixing system

#49
20190232216
2019-08-01

Carbon Dioxide Capture And Conversion Methods And Systems

#50
20190160421
2019-05-30

Exhaust gas treatment system

#51
20190126200
2019-05-02

Sulfur dioxide removal from waste gas

#52
20190118139
2019-04-25

Catalyst mixture for the treatment of waste gas

#53
20180318753
2018-11-08

Apparatus and method for absorbing a component from a gas mixture using rotating packed bed unit

#54
20180311613
2018-11-01

Process and device for treating furnace gas

#55
20180272292
2018-09-27

Method for producing protective-layer-covered gas separation membrane, protective-layer-covered gas separation membrane, gas separation membrane module, and gas separation apparatus

#56
20180272291
2018-09-27

Protective-layer-covered gas separation membrane, method for producing protective-layer-covered gas separation membrane, gas separation membrane module, and gas separation apparatus

#57
20180222847
2018-08-09

Diamine having tert-alkylamino group and primary amino group for use in gas scrubbing

#58
20180147546
2018-05-31

Method for producing gas separation composite membrane, liquid composition, gas separation composite membrane, gas separation module, gas separation apparatus, and gas separation method

#59
20180078893
2018-03-22

Absorbing solution for separating and capturing carbon dioxide, and method for separating and capturing carbon dioxide in which same is used

#60
20180043328
2018-02-15

Regenerable sorbent for carbon dioxide removal

#61
20170349437
2017-12-07

Process and plant for improved energy-efficient production of sulfuric acid

#62
20170203253
2017-07-20

Equipment and method for circulating fluidized bed semidry simultaneous desulfurization and denitration of sintering flue gas

#63
20170197176
2017-07-13

Absorbent solution containing a mixture of 1,2-bis-(2-dimethylaminoethoxy)-ethane and of 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, and method of removing acid compounds from a gaseous effluent

#64
20170065928
2017-03-09

Low energy-type acid gas capture system and method using recirculation of absorbent

#65
20170050145
2017-02-23

Complexation and removal of mercury from flue gas desulfurization systems

#66
20170029344
2017-02-02

DEVICE AND METHOD FOR PRODUCING FERTILIZER FROM THE EXHAUST GASES OF A PRODUCTION SYSTEM

#67
20170014800
2017-01-19

Isothermal COadsorption column

#68
20170014799
2017-01-19

Sodium-calcium-aluminosilicate column for adsorbing CO

#69
20170014761
2017-01-19

Flue ozone distributor applied in low-temperature oxidation denitrification technology and arrangement manner thereof

#70
20170002433
2017-01-05

Blast furnace and method for operating a blast furnace

#71
20160318855
2016-11-03

Method for preparation of ammonia gas and COfor a urea synthesis process

#72
20160288083
2016-10-06

Method for preparing a sorbent

#73
20160279596
2016-09-29

Method for preparing a sorbent

#74
20160220966
2016-08-04

Gas separation membrane and gas separation membrane module

#75
20160193565
2016-07-07

Method for removing dust and sulphur oxides from process gases

#76
20160144316
2016-05-26

Low pressure drop static mixing system

#77
20160082389
2016-03-24

Methods for removing contaminants from exhaust gases

#78
20160051925
2016-02-25

Ammonia capturing by COproduct liquid in water wash liquid

#79
20160016108
2016-01-21

Carbon dioxide capture apparatus

#80
20150376801
2015-12-31

High pressure process for COcapture, utilization for heat recovery, power cycle, super-efficient hydrogen based fossil power generation and conversion of liquid COwith water to syngas and oxygen

#81
20150231563
2015-08-20

Method for purifying exhaust gas and for regenerating an oxidation catalyst

#82
20150190777
2015-07-09

Regenerable sorbent for carbon dioxide removal

#83
20150152784
2015-06-04

Method and system for sequestering carbon dioxide and producing hydrogen gas

#84
20150151245
2015-06-04

Sulphur dioxide treatment

#85
20150125373
2015-05-07

Method for absorbing COfrom a gas mixture

#86
20150068398
2015-03-12

Process for the separation of carbon dioxide from flue gas

#87
20150007728
2015-01-08

Aqueous solution which efficiently absorbs and recovers carbon dioxide in exhaust gas, and method for recovering carbon dioxide using same

#88
20140356268
2014-12-04

Method and absorption medium for absorbing COfrom a gas mixture

#89
20140345462
2014-11-27

Separation composite membrane and separating membrane module using the same

#90
20140345456
2014-11-27

Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same

#91
20140322117
2014-10-30

Method for detecting loss of desulfurization organic components and regenerable flue gas desulfurization process

#92
20140283687
2014-09-25

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

#93
20140252700
2014-09-11

Direct reduced iron manufacturing system

#94
20140252699
2014-09-11

Direct reduced iron manufacturing system

#95
20140245883
2014-09-04

Sinter plant gas cleaning system

#96
20140140912
2014-05-22

Catalytic oxidation of sulphide species

#97
20140138884
2014-05-22

Device for the closed-loop control of process gases in a plant for producing directly reduced metal ores

#98
20140080071
2014-03-20

Method and device for cleaning an industrial waste gas comprising CO

#99
20140060328
2014-03-06

Method of absorbing acid compounds contained in a gaseous effluent using an amine-based aqueous solution

#100
20140023573
2014-01-23

Process for controlling carbonyl sulfide produced during chlorination of ores

#101
20130336867
2013-12-19

Carbon dioxide capturing system and method of operating same

#102
20130327215
2013-12-12

Compact air quality control system compartment for aluminium production plant

#103
20130291684
2013-11-07

Process and plant for treating ore concentrate particles containing valuable metal

#104
20130259782
2013-10-03

Method and device for producing a fluid enriched with carbon dioxide from a waste gas of a ferrous-metallurgy unit

#105
20130186272
2013-07-25

Ammonia capturing by COproduct liquid in water wash liquid

#106
20130112075
2013-05-09

Method for cleaning a gas flow loaded with dust

#107
20120313046
2012-12-13

METHOD OF CAPTURING ACID COMOUNDS THROUGH HYDRATE FORMATION WITH A DEMIXING STAGE

#108
20120167766
2012-07-05

Process for the separation of carbon dioxide from flue gas

#109
20120093673
2012-04-19

Six-blade biaxial rotary positive-displacement pump

#110
20110305961
2011-12-15

Process for treating a flue gas

#111
20110126715
2011-06-02

CARBON DIOXIDE GAS RECOVERY APPARATUS

#112
20110041517
2011-02-24

Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor

#113
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

#114
20100043635
2010-02-25

PSA method using a composite adsorption bed comprising an adsorbent and PCM agglomerates

#115
20080219908
2008-09-11

Method for cleaning exhaust gases produced by a sintering process for ores and/or other metal-containing materials in metal production

#116
20080175775
2008-07-24

Process and apparatus for treating flue gas from sintering plants

#117
20050061148
2005-03-24

Process and device in connection with the production of oxygen or oxygen enriched air

#118
16263688
2020-02-04

Methods for carbon dioxide capture