ClassID:

30281

B01D2251/502 - CPC Classification

Classification description:

Reactants; Inorganic acids Hydrochloric acid

Recent Application in this class:
#1
20250319434
2025-10-16

CARBON DIOXIDE-SEPARATING APPARATUS AND CARBON DIOXIDE CAPTURE AND STORAGE SYSTEM

#2
20230360511
2023-11-09

Methods and systems for automatically generating a remedial action in an industrial facility

#3
20230191310
2023-06-22

Trapezoidal-Duct Assisting Poulty Ammonia Gas, Hydrogen Sulfide Gas, and Dust Removal System

#4
20220250004
2022-08-11

Nitrogen oxide absorption slurry and a preparation and use method thereof

#5
20210245097
2021-08-12

Nitrogen oxide absorption slurry and a preparation and use method thereof

#6
20210122634
2021-04-29

Method for preparing lithium bis(fluorosulphonyl)imide salt

#7
20210032216
2021-02-04

Process for the conversion of a solid lignocellulosic material

#8
20190388823
2019-12-26

Submicron particle removal from gas streams

#9
20190270047
2019-09-05

Method and apparatus for continuous removal of carbon dioxide

#10
20190224610
2019-07-25

Submicron particle removal from gas streams

#11
20190160423
2019-05-30

Apparatus for separating amine gas from mixed gas

#12
20190099714
2019-04-04

Air pollution control system

#13
20190022577
2019-01-24

Plasma abatement of compounds containing heavy atoms

#14
20180318758
2018-11-08

Plasma abatement of compounds containing heavy atoms

#15
20180311606
2018-11-01

Complex malodor removing equipment

#16
20180001252
2018-01-04

Method and device for treating nitroso compound

#17
20170352243
2017-12-07

Methods and systems for automatically generating a remedial action in an industrial facility

#18
20170320816
2017-11-09

Submicron particle removal from gas streams

#19
20170312685
2017-11-02

Processes for filtering chemicals from air streams

#20
20170158586
2017-06-08

Hydrochloric acid purification process

#21
20150251133
2015-09-10

Plasma abatement of compounds containing heavy atoms

#22
20140205520
2014-07-24

Leaching of minerals and sequestration of CO

#23
20140093441
2014-04-03

Carbon dioxide sequestration methods using group 2 silicates and chlor-alkali processes

#24
20120189521
2012-07-26

Air pollution control device and method for reducing amount of mercury in flue gas

#25
20120132073
2012-05-31

Method of Making an Activated Carbon Substrate Having Metal Sulfide

#26
20120128540
2012-05-24

Air pollution control device

#27
20110289846
2011-12-01

Process of scrubbing volatiles from evaporator water vapor

#28
20110262331
2011-10-27

Air pollution control system and air pollution control method

#29
20110203939
2011-08-25

Carbon dioxide sequestration through formation of group-2 carbonates and silicon dioxide

#30
20110123403
2011-05-26

AIR POLLUTION CONTROL APPARATUS AND AIR POLLUTION CONTROL SYSTEM

#31
20110082028
2011-04-07

Mercury oxidation catalyst and method for producing the same

#32
20110002829
2011-01-06

Mercury reduction system and mercury reduction method of flue gas containing mercury

#33
20110002828
2011-01-06

Mercury reduction system and mercury reduction method of flue gas containing mercury

#34
20110002827
2011-01-06

Mercury reduction system

#35
20100320294
2010-12-23

Gas liquid contactor and effluent cleaning system and method

#36
20100319539
2010-12-23

Gas liquid contactor and effluent cleaning system and method

#37
20100183493
2010-07-22

Exhaust gas treating apparatus and method

#38
20100074818
2010-03-25

Air pollution control apparatus and air pollution control method

#39
20100074817
2010-03-25

Method and apparatus for treating discharge gas

#40
20100051872
2010-03-04

Process for the purification of combustion fumes

#41
20100011956
2010-01-21

Gas liquid contactor and effluent cleaning system and method

#42
20090311156
2009-12-17

Removal of contaminants from gas streams

#43
20090269262
2009-10-29

Air pollutant control system and method for removing mercury in flue gas

#44
20090182650
2009-07-16

Hydrogen chloride supply system, air pollution control system, and hydrogen chloride supply control system

#45
20090127127
2009-05-21

Removing carbon dioxide from waste streams through co-generation of carbonate and/or bicarbonate minerals

#46
20090104097
2009-04-23

MERCURY REMOVAL FROM A GAS STREAM

#47
20090004085
2009-01-01

Method and system for removing mercury from flue gas

#48
20080138264
2008-06-12

Method and device for removing mercury

#49
20080107579
2008-05-08

Bromine Addition for the Improved Removal of Mercury from Flue Gas

#50
20080056973
2008-03-06

METHOD AND APPARATUS FOR MITIGATING MERCURY EMISSIONS IN EXHAUST GASES

#51
20070276158
2007-11-29

Processes for separating carbon monoxide from a hydrogen chloride-containing gas

#52
20070180990
2007-08-09

Dynamic halogenation of sorbents for the removal of mercury from flue gases

#53
20070154374
2007-07-05

Method for removing sulfur dioxide and other acid gases, mercury, and nitrogen oxides from a gas stream with the optional production of ammonia based fertilizers

#54
20070154373
2007-07-05

Methods for regenerating oxidants used for removing pollutants from a gas stream

#55
20050076687
2005-04-14

Coating for fertilizer

#56
18807603
2025-11-11

Liquid sorbent-enhanced ammonia production

#57
16877033
2023-10-24

Auxiliary filter for enhanced chemical protection