ClassID:

29743

B01D53/8637 - 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 Simultaneously removing sulfur oxides and nitrogen oxides

Recent Application in this class:
#1
20250242341
2025-07-31

PREPARATION METHOD FOR ACTIVATED COKE CATALYST CAPABLE OF SIMULTANEOUSLY REMOVING NO, SO2 AND HCl

#2
20250144567
2025-05-08

CATALYST WITH REGULAR STRUCTURE AND PREPARATION METHOD THEREOF AND METHOD FOR SIMULTANEOUSLY REDUCING BOTH SOX AND NOX FROM FLUE GAS

#3
20230356179
2023-11-09

COMBINED ADSORPTION AND CATALYSIS FOR CABIN AIR POLLUTION CONTROL

#4
20220088572
2022-03-24

Nano-Structured Composite Materials for Chemical Air Pollutant and Odor Removal from Air

#5
20220016305
2022-01-20

Indoor and outdoor nano air purifier and system comprising said purifier

#6
20210170334
2021-06-10

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

#7
20200363081
2020-11-19

Photocatalytic filter and air conditioning device comprising photocatalytic filter

#8
20200289983
2020-09-17

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

#9
20200262757
2020-08-20

Ozonation-based method for producing cementitious material

#10
20200230551
2020-07-23

Dry desulfurizing and denitrificating agent, and its preparation method and applications

#11
20200215483
2020-07-09

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

#12
20200129923
2020-04-30

Method for simultaneously removing SOand NOin flue gas

#13
20200061539
2020-02-27

Selective catalytic reduction process and off-line regeneration of deactivated catalyst of the process

#14
20200001235
2020-01-02

Desulfurization absorption tower

#15
20190358587
2019-11-28

Desulfurization absorption tower

#16
20190224616
2019-07-25

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

#17
20190209965
2019-07-11

Desulfurization absorption tower

#18
20190060831
2019-02-28

Desulfurization absorption tower

#19
20190001267
2019-01-03

Desulfurization absorption tower

#20
20180111085
2018-04-26

STEAM GENERATOR

#21
20180029011
2018-02-01

Photocatalytic concrete product and a method to produce a photocatalytic concrete product

#22
20170341022
2017-11-30

METHOD AND EXHAUST SYSTEM FOR TREATING NOX IN EXHAUST GAS FROM STATIONARY EMISSION SOURCES

#23
20160199780
2016-07-14

Clean coal stack

#24
20160184774
2016-06-30

Flue-gas purification and reclamation system and method thereof

#25
20160129395
2016-05-12

FLUE GAS TREATMENT SYSTEM AND FLUE GAS TREATMENT METHOD

#26
20150258493
2015-09-17

Cleaning stack gas

#27
20150104365
2015-04-16

Flue-gas purification and reclamation system and method thereof

#28
20150024452
2015-01-22

EXHAUST SCRUBBER

#29
20140335005
2014-11-13

Method of removing sulfur oxides and nitrogen oxides in the flue gas

#30
20140260472
2014-09-18

Cleaning stack gas

#31
20140050643
2014-02-20

Flur-gas purification and reclamation system and method thereof

#32
20120251404
2012-10-04

Purifying carbon dioxide using activated carbon

#33
20120213690
2012-08-23

Integration of Catalytic SO2 Oxidation and Oxyfuel Sour Compression

#34
20120202680
2012-08-09

METHOD FOR THE PREPARATION OF A ZEOLITE-BASED MONOLITHIC STRUCTURE

#35
20120189519
2012-07-26

Flue-gas purification and reclamation system and method thereof

#36
20120009106
2012-01-12

Integration of catalytic COoxidation and oxyfuel sour compression

#37
20110318246
2011-12-29

Flue-Gas purification and reclamation system and method thereof

#38
20110318245
2011-12-29

Flue-gas purification and reclamation system and method thereof

#39
20100326057
2010-12-30

Exhaust Gas Purification Device

#40
20100083697
2010-04-08

Purifying carbon dioxide using activated carbon

#41
20100080747
2010-04-01

Purifying carbon dioxide and producing acid

#42
20100080745
2010-04-01

Multi-stage process for purifying carbon dioxide and producing acid

#43
20100061906
2010-03-11

Method and a device for removing nitrogen oxides and sulphur trioxide from a process gas

#44
20080155971
2008-07-03

Low temperature emission system having turbocharger bypass

#45
20080145291
2008-06-19

SULFUR OXIDE REMOVING ADDITIVE FOR PARTIAL OXIDATION CONDITIONS

#46
20070269351
2007-11-22

System and method for recomposing ammonia from fly ash

#47
20070256601
2007-11-08

System and method for decomposing ammonia from fly ash

#48
20070128090
2007-06-07

Wet electrostatic liquid film oxidizing reactor apparatus and method for removal of NOx, SOx, mercury, acid droplets, heavy metals and ash particles from a moving gas

#49
20060100096
2006-05-11

Trifunctional catalyst for sulphur transfer, denitrogenation and combustion promoting and a method for preparing the same

#50
20050207956
2005-09-22

Mixed metal oxide sorbents

#51
20050084437
2005-04-21

Scrubbing systems and methods for coal fired combustion units

#52
20050084434
2005-04-21

Scrubbing systems and methods for coal fired combustion units