ClassID:

29761

B01D53/8693 - 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; General processes for purification of waste gases; Apparatus or devices specially adapted therefor; Catalytic processes After-treatment of removed components

Recent Application in this class:
#1
20250381522
2025-12-18

SYSTEM FOR SYNERGISTIC AIR DETOXIFICATION AND FOOD PRODUCTION

#2
20250058275
2025-02-20

ULTRAFAST CATALYTIC CO2 CAPTURE CATALYZED BY A NOVEL ULTRASOUND-TREATED IONIC LIQUID

#3
20250001359
2025-01-02

STEEL MILL OFFGAS SEPARATION AND PURIFICATION

#4
20240157295
2024-05-16

Ultrafast catalytic COcapture catalyzed by a novel ultrasound-treated ionic liquid

#5
20210387144
2021-12-16

Ultrafast catalytic COcapture catalyzed by a novel ultrasound-treated ionic liquid

#6
20210123147
2021-04-29

PROCESS AND SYSTEM FOR PRODUCING CARBON MONOXIDE AND DIHYDROGEN FROM A CO2-CONTAINING GAS

#7
20210121848
2021-04-29

3D CAGE TYPE HIGH NITROGEN CONTAINING MESOPOROUS CARBON NITRIDE FROM DIAMINOGUANIDINE PRECURSORS FOR CO2 CAPTURE AND CONVERSION

#8
20200289983
2020-09-17

Catalytic oxidation of NO/SOin flue gases with atmospheric oxygen as the oxidation reagent

#9
20200246744
2020-08-06

Hydrogen sulfide removal process

#10
20200215483
2020-07-09

Catalytic oxidation of NO/SOin flue gases with atmospheric oxygen as the oxidation reagent

#11
20190262769
2019-08-29

Hydrogen sulfide removal process

#12
20190224616
2019-07-25

System for simultaneously removing nitrogen oxides (NOx) and sulfur oxides (SOx) from exhaust gas

#13
20170173527
2017-06-22

THERMAL STAGE AND REDUCTION ABSORPTION SULFUR RECOVERY PROCESS

#14
20160199780
2016-07-14

Clean coal stack

#15
20150283503
2015-10-08

METHOD AND UNIT FOR REMOVING OXYGEN FROM A GAS FLOW COMPRISING CO2

#16
20150258493
2015-09-17

Cleaning stack gas

#17
20140363360
2014-12-11

Systems and methods for removal of organic sulfides and hydrogen sulfide contaminants from mixed gas streams

#18
20140260472
2014-09-18

Cleaning stack gas

#19
20130340616
2013-12-26

System for removal of organic contaminants from bio-gas for renewable energy production

#20
20070209511
2007-09-13

Method for processing organic solvent-containing air

#21
20050201924
2005-09-15

Apparatus and catalytic partial oxidation process for recovering sulfur from an HS-containing gas stream