ClassID:

160437

F25J2220/84 - CPC Classification

Classification description:

Processes or apparatus involving steps for the removal of impurities; Separating impurities from carbon dioxide, e.g. HO or water-soluble contaminants Separating high boiling, i.e. less volatile components, e.g. NOx, SOx, H2S

Recent Application in this class:
#1
20250262584
2025-08-21

NOx REMOVAL FOR CRYOGENIC CARBON CAPTURE FROM FLUE GAS

#2
20250257942
2025-08-14

Cryogenic Carbon Capture System and Method with Integrated Liquid Natural Gas Vaporizer

#3
20250198698
2025-06-19

Cryogenic-Based Carbon Dioxide Capture System

#4
20250121315
2025-04-17

FACILITY FOR RECOVERING CO2 FROM A FEED GAS FLOW

#5
20190170436
2019-06-06

Highly cost effective technology for capture of industrial emissions without reagent for clean energy and clean environment applications

#6
20180252469
2018-09-06

Method for removing a foulant from a gas stream with minimal external refrigeration

#7
20180031315
2018-02-01

Carbon Dioxide Capture from Flu Gas

#8
20170307261
2017-10-26

Thermoacoustic refrigerator

#9
20170227285
2017-08-10

Method and plant for the purification of carbon dioxide using liquid carbon dioxide

#10
20160313058
2016-10-27

Process and apparatus for separating NOfrom a COand NO-containing fluid

#11
20160018159
2016-01-21

Alkalinity control agent supply method and apparatus for compressor impurity separation mechanism

#12
20150276309
2015-10-01

Process and apparatus for separating NOfrom a COand NO—containing fluid

#13
20150253076
2015-09-10

Method and apparatus for purifying a carbon dioxide-rich mixture at a low temperature

#14
20150184932
2015-07-02

Process for recovering hydrocarbons from crude carbon dioxide fluid

#15
20150168054
2015-06-18

Method and apparatus for separating a carbon dioxide-rich gas

#16
20150157957
2015-06-11

Method and apparatus for cooling a flow containing at least 35% carbon dioxide and mercury

#17
20150114033
2015-04-30

Purification of carbon dioxide

#18
20150114032
2015-04-30

Purification of carbon dioxide

#19
20150075636
2015-03-19

Supply apparatus and supply method for supplying fluid carbon dioxide

#20
20150059402
2015-03-05

Method and device for separating a mixture containing carbon dioxide by means of distillation

#21
20140041412
2014-02-13

Carbon dioxide capture and liquefaction

#22
20130139543
2013-06-06

Systems and methods for integrated energy storage and cryogenic carbon capture

#23
20130036765
2013-02-14

Process for treating a natural gas containing carbon dioxide

#24
20120297821
2012-11-29

Systems and methods for separating condensable vapors from light gases or liquids by recuperative cryogenic processes

#25
20120272680
2012-11-01

Method and apparatus for drying and compressing CO-rich flow

#26
20120118012
2012-05-17

SEPARATION OF GASES

#27
20120118010
2012-05-17

Separation of carbon dioxide and hydrogen

#28
20120070354
2012-03-22

Scrubbing a gas containing nitrogen oxides

#29
20120067082
2012-03-22

METHOD AND APPARATUS FOR PRODUCING AT LEAST ONE ARGON-ENRICHED FLUID AND AT LEAST ONE OXYGEN-ENRICHED FLUID FROM A RESIDUAL FLUID

#30
20120009109
2012-01-12

Treatment of flue gas from an oxyfuel combustion process

#31
20120006054
2012-01-12

Carbon dioxide capture and liquefaction

#32
20110271714
2011-11-10

Configurations and methods of carbon capture

#33
20110265647
2011-11-03

METHOD FOR PURIFICATION OF CARBON DIOXIDE USING LIQUID CARBON DIOXIDE

#34
20110226010
2011-09-22

CARBON DIOXIDE CAPTURE FROM FLUE GAS

#35
20100322843
2010-12-23

Method for burning carbonated fuels with combustion smoke filtration before compression

#36
20090205364
2009-08-20

Method and apparatus for removing carbon dioxide gas from coal combustion power plants

#37
20090013868
2009-01-15

PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE

#38
20090013717
2009-01-15

Process and apparatus for the separation of a gaseous mixture

#39
20080302133
2008-12-11

Method and Device for Recovering Carbon Dioxide from Fumes

#40
20080276800
2008-11-13

Method to condense and recover carbon dioxide (CO2) from CO2 containing gas streams

#41
20080245101
2008-10-09

Integrated Method and Installation for Cryogenic Adsorption and Separation for Producing Co2

#42
20080196587
2008-08-21

COseparation apparatus and process for oxy-combustion coal power plants

#43
20080196585
2008-08-21

Process for vaporizing the product COat two different pressures during COseparation

#44
20080196584
2008-08-21

Process for feed gas cooling in reboiler during COseparation

#45
20080196583
2008-08-21

PROCESS FOR RECYCLING OF TOP GAS DURING CO2 SEPARTION

#46
20060260189
2006-11-23

Configurations and methods of carbon capture

#47
20050198971
2005-09-15

High pressure CO purification and supply system