ClassID:

29738

B01D53/8621 - 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 Removing nitrogen compounds

Sub-classes:
Recent Application in this class:
#1
20260054220
2026-02-26

CATALYTIC DECOMPOSITION DEVICE AND INTEGRATED WASTE GAS TREATMENT SYSTEM

#2
20250058274
2025-02-20

PROCESS AND SYSTEM FOR REMOVING IMPURITIES FROM A GAS STREAM

#3
20250001359
2025-01-02

STEEL MILL OFFGAS SEPARATION AND PURIFICATION

#4
20240075427
2024-03-07

Catalytic system and method for the removal of HCN from off-gases of a fluid cracking unit using same, and FCC unit assembly including the catalytic system

#5
20230249132
2023-08-10

FILTER REGENERATING APPARATUS AND METHOD OF DENITRIFICATION FACILITY

#6
20230158453
2023-05-25

CATALYTIC DECOMPOSITION DEVICE AND INTEGRATED WASTE GAS TREATMENT SYSTEM

#7
20230114236
2023-04-13

INDUSTRIAL SOLID WASTE INCINERATOR AND FLUE GAS TREATMENT APPARATUS

#8
20220146096
2022-05-12

High-efficient clean, high-variable load rate coal-fired power generation system and operation method thereof

#9
20220072170
2022-03-10

Ionic oxidation refreshing system and method

#10
20190247791
2019-08-15

METHOD, SYSTEM, AND DEVICE FOR REMOVING HYDROGEN PEROXIDE OR HYDRAZINE FROM A PROCESS GAS STREAM

#11
20180353893
2018-12-13

REMOVAL OF HETEROATOM-CONTAINING COMPOUNDS FROM FLUIDS

#12
20180133691
2018-05-17

Method of regenerating used denitration catalyst

#13
20180111084
2018-04-26

Integrated purification method and system for the industrial exhaust gas containing cyanides, hydrocarbons and NO

#14
20170348682
2017-12-07

Method for the conversion of nitrous acid to dinitrogen gas

#15
20170312687
2017-11-02

METHOD, SYSTEM, AND DEVICE FOR REMOVING HYDROGEN PEROXIDE OR HYDRAZINE FROM A PROCESS GAS STREAM

#16
20170197831
2017-07-13

Methods and systems for isolating nitrogen from a gaseous mixture

#17
20170100695
2017-04-13

System and Method for Scrubbing Contaminated Gas with a Glycerol Solution

#18
20170080411
2017-03-23

CARBON DIOXIDE RECOVERY APPARATUS AND METHOD FOR TREATING EXHAUST GAS

#19
20160184774
2016-06-30

Flue-gas purification and reclamation system and method thereof

#20
20150375203
2015-12-31

Precipitated and calcined composition based on zirconium oxide and cerium oxide

#21
20150064074
2015-03-05

ZEIOLITE CATALYST CONTAINING METAL

#22
20150000244
2015-01-01

System and method for reducing emissions via solvent injection

#23
20140369915
2014-12-18

Catalyst for hydrolysis of carbonyl sulfide and hydrogen cyanide and use of titanium dioxide-based composition

#24
20140255282
2014-09-11

System and Method for Scrubbing Contaminated Gas with a Glycerol Solution

#25
20140186254
2014-07-03

Nitrogen fixation by titanium dioxide

#26
20120213683
2012-08-23

METHOD FOR TREATING EXHAUST GAS FROM CO2 RECOVERY APPARATUS

#27
20120201731
2012-08-09

Zeolite catalyst containing metal

#28
20120020861
2012-01-26

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

#29
20120010306
2012-01-12

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

#30
20110281318
2011-11-17

METHOD AND APPARATUS FOR TREATING AN OFF-GAS STREAM

#31
20100202947
2010-08-12

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

#32
20090247391
2009-10-01

NITROGEN FIXATION BY TITANIUM DIOXIDE

#33
20090223860
2009-09-10

Reduction of gas phase reduced nitrogen species in partial burn FCC processes

#34
20070286786
2007-12-13

Catalyst for purifying organic nitrogen compound-containing exhaust gas and method for purifying the exhaust gas

#35
20070123417
2007-05-31

FCC additive for partial and full burn NOx control

#36
20070086930
2007-04-19

Device and method for processing combustion exhaust gas

#37
20060272502
2006-12-07

Process for the removal of SO, HCN and HS and Optionally COS, CSand NHfrom a gas stream

#38
20060062709
2006-03-23

Plasma-assisted NOreduction

#39
20060021910
2006-02-02

Reduction of gas phase reduced nitrogen species in partial burn FCC processes

#40
20060006100
2006-01-12

Reduction of gas phase reduced nitrogen species in partial burn FCC processes

#41
17137028
2022-02-15

Core-shell structured catalyst, preparation method thereof and method for treating industrial tail gas