ClassID:

29653

B01D53/1443 - 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, by absorption; Pretreatment by other processes Pretreatment by diffusion

Recent Application in this class:
#1
20260085026
2026-03-26

CARBON EMISSION REDUCTION IN PROCESS UNIT BY INCREASED HYDROCARBON RECOVERY FROM NET GAS STREAM

#2
20250114737
2025-04-10

METHODS FOR DISSOLVING TARGET CHEMICAL SPECIES INTO ABSORBENT LIQUIDS

#3
20240001290
2024-01-04

PROCESS FOR SEPARATING CARBON DIOXIDE FROM A GAS STREAM AND USE

#4
20210387934
2021-12-16

Methanol production process with higher carbon utilization by COrecycle

#5
20210299606
2021-09-30

Spacesuit contaminant removal using liquid sorbent

#6
20210069635
2021-03-11

Contaminant concentration and removal system using liquid sorbent

#7
20210031139
2021-02-04

Helium recovery from gaseous streams

#8
20200360855
2020-11-19

Process of improved sulfur capture from a syngas mixture

#9
20200360854
2020-11-19

Sulfur recovery operation with improved carbon dioxide recovery

#10
20200078729
2020-03-12

SEPARATION AND CO-CAPTURE OF CO2 AND SO2 FROM COMBUSTION PROCESS FLUE GAS

#11
20190224618
2019-07-25

High hydrocarbon recovery membrane plus solvent based system

#12
20190105602
2019-04-11

Systems and methods to manage heat in an integrated oil and gas processing plant with sour gas injection

#13
20180353898
2018-12-13

Helium recovery from gaseous streams

#14
20180078894
2018-03-22

Method and apparatus for separating one or more components from a composition

#15
20170320009
2017-11-09

CO2 separation device in gas and its membrane separation method and method for controlling membrane separation of CO2 separation device in gas

#16
20170225116
2017-08-10

Method and apparatus for removing high concentration acid gas from natural gas

#17
20160206993
2016-07-21

CLOSED CYCLE CONTINUOUS MEMBRANE IONIC LIQUIDS ABSORPTION/DESORPTION PROCESS FOR CO2 CAPTURE

#18
20160130998
2016-05-12

MEMBRANE-BASED EXHAUST GAS SCRUBBING METHOD AND SYSTEM

#19
20160023158
2016-01-28

Method and apparatus for separating one or more components from a composition

#20
20160009608
2016-01-14

Method and device for gas processing

#21
20150328583
2015-11-19

Method and apparatus for removing high concentration acid gas from natural gas

#22
20150190748
2015-07-09

Hybrid process using a membrane to enrich flue gas COwith a solvent-based post-combustion COcapture system

#23
20150190747
2015-07-09

Method of separating a gas using at least one membrane in contact with an organosilicon fluid

#24
20140309471
2014-10-16

Sweetening of natural gas

#25
20110290111
2011-12-01

Treatment of natural gas feeds