ClassID:

30513

B01D2257/704 - CPC Classification

Classification description:

Components to be removed; Organic compounds not provided for in groups  -  Solvents not covered by groups  - 

Recent Application in this class:
#1
20260048358
2026-02-19

METHOD AND SYSTEM FOR RECOVERING NMP IN LITHIUM BATTERY PRODUCTION

#2
20250196061
2025-06-19

ORGANIC SOLVENT RECOVERY SYSTEM

#3
20250145550
2025-05-08

GAS SEPARATION SYSTEM, GAS SEPARATION METHOD, AND GAS SEPARATION AGENT

#4
20240368491
2024-11-07

ADSORBENT AND PROCESS FOR METHANOL AND OXYGENATES SEPARATION

#5
20240009619
2024-01-11

HEATING SYSTEM FOR COMPRESSED PARTS CAPABLE OF CONTROLLING PROCESS ATMOSPHERE AND PRESSURE

#6
20230330587
2023-10-19

ORGANIC SOLVENT RECOVERY SYSTEM

#7
20230149828
2023-05-18

System and method for continuous stirred tank solvent extraction using feedstock

#8
20230014093
2023-01-19

Method for solvent recovery and activated carbon regeneration

#9
20220152520
2022-05-19

Apparatus and method for solvent recovery from drying process

#10
20220056362
2022-02-24

ADSORBENT AND PROCESS FOR METHANOL AND OXYGENATES SEPARATION

#11
20210394116
2021-12-23

Exhaust gas purification system and method and data processing system for monitoring at least one exhaust gas purification system

#12
20210394115
2021-12-23

Exhaust Gas Purification System and Method and Data Processing System for Monitoring at least One Exhaust Gas Pufication System

#13
20210331140
2021-10-28

One kind of transition metal / nitrogen co-doped carbon composite material for removal of formaldehyde and its preparation

#14
20210275940
2021-09-09

System and method for continuous stirred tank solvent extraction using feedstock

#15
20210178364
2021-06-17

Sol-gel material absorbing aldehydes and ketones, and the process for its preparation

#16
20210106982
2021-04-15

METHOD FOR PREPARING BIOCL PHOTOCATALYST WITH SUPER STRONG DEGRADATION EFFECT

#17
20200308535
2020-10-01

Pseudomonas aeruginosa with monomethylamine degradability and application thereof

#18
20200254423
2020-08-13

Method for solvent recovery and activated carbon regeneration

#19
20200197864
2020-06-25

Method for Scavenging Airborne Formaldehyde

#20
20200071338
2020-03-05

Cavitand compositions and methods of use thereof

#21
20200063056
2020-02-27

ADSORBENT AND PROCESS FOR METHANOL AND OXYGENATES SEPARATION

#22
20190257580
2019-08-22

Component removal from a gas stream

#23
20190060865
2019-02-28

Carbide derived carbon for use in chemical scrubbers

#24
20190046895
2019-02-14

System and method for continuous stirred tank solvent extraction using feedstock

#25
20180369745
2018-12-27

Process for the separation of methanol from gas mixtures

#26
20180345208
2018-12-06

Method for purifying a VOC-laden gas stream

#27
20180258035
2018-09-13

Method for purification of a CO2 stream

#28
20180221692
2018-08-09

Filter media for respiratory protection

#29
20180186718
2018-07-05

Purified terephthalic acid (PTA) vent dryer vapor effluent treatment

#30
20180133684
2018-05-17

Adsorbents comprising organic-inorganic hybrid nanoporous materials for sorption of water or alcohol and use thereof

#31
20180057427
2018-03-01

Process for purifying hydrocarbon streams using low reactivity adsorbents

#32
20170348637
2017-12-07

Solvent separation method and solvent separation apparatus

#33
20170266606
2017-09-21

Method and regenerative separating apparatus for separating contaminants from process exhaust air

#34
20170239670
2017-08-24

Solvent separation method, solvent separation apparatus and solvent separation system

#35
20170227285
2017-08-10

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

#36
20160332115
2016-11-17

Method for the purification of gases containing volatile organic compounds

#37
20160214085
2016-07-28

Air filtration using manganese oxide

#38
20160175873
2016-06-23

Apparatus and method for separating particles from a waste air stream of a coating booth

#39
20160008804
2016-01-14

Photocatalytic element for purification and disinfection of air and water and method for the production thereof

#40
20150314228
2015-11-05

Device for recovering volatile organic compound

#41
20150306537
2015-10-29

Rectangular parallelepiped fluid storage and dispensing vessel

#42
20150139878
2015-05-21

CO2 recovery device and CO2 recovery method

#43
20150133702
2015-05-14

Emissions control of spent air from cumene oxidation

#44
20150093294
2015-04-02

Air filtration using manganese oxide

#45
20150044117
2015-02-12

Cavitand compositions and methods of use thereof

#46
20140357901
2014-12-04

Systems and methods for recovering dimethyl ether from gas mixtures and liquid mixtures

#47
20140326138
2014-11-06

Pressure swing adsorption method

#48
20140314626
2014-10-23

Arrangement for purifying contaminated gases with ionized air

#49
20140305307
2014-10-16

Ethylene absorption filter for refrigerated spaces

#50
20140163299
2014-06-12

Ultraviolet and hydrogen peroxide or ozone or ozone and hydrogen peroxide treatment to simultaneously control nitrosamine, nitramine, amine and aldehyde emissions from amine-based carbon capture

#51
20140080071
2014-03-20

Method and device for cleaning an industrial waste gas comprising CO

#52
20140065047
2014-03-06

Gas treatment by catalytic ozone oxidation

#53
20130334068
2013-12-19

Rectangular parallelepiped fluid storage and dispensing vessel

#54
20130319229
2013-12-05

Asymmetric gas separation membrane and method for separating methanol from mixed organic vapor using the same

#55
20130028796
2013-01-31

PURIFICATION UNIT AND DEODORIDING DEVICE

#56
20130017135
2013-01-17

Gas purification using photocatalytic vortex-suspended particles

#57
20120289755
2012-11-15

Carbon catalyst for decomposition of hazardous substance, hazardous-substance-decomposing material, and method for decomposition of hazardous substance

#58
20120258526
2012-10-11

PACKING MATERIAL COMPRISING STARCH-MODIFIED POLYURETHANE FOR THE BIOFILTRATION OF ORGANIC COMPOUNDS PRESENT IN GASEOUS OR LIQUID EFFLUENTS, PRODUCTION METHODS THEREOF AND BIOFILTRATION SYSTEM

#59
20120219482
2012-08-30

Systems and processes for removing volatile degradation products produced in gas purification

#60
20120211348
2012-08-23

Process to remove product alcohol from a fermentation by vaporization under vacuum

#61
20120121470
2012-05-17

Air purification system

#62
20120118334
2012-05-17

EXHAUST GAS TREATMENT DEVICE AND METHOD AND SEMICONDUCTOR MANUFACTURING SYSTEM

#63
20120090465
2012-04-19

Pressure and vacuum swing adsorption separation processes

#64
20120087853
2012-04-12

Gas treatment by catalytic ozone oxidation

#65
20120073360
2012-03-29

METHOD AND SYSTEM FOR SURFACE MODIFICATION OF SUPERADSORBENT MATERIAL FOR IMPROVED ENVIRONMENTAL AND URBAN AIR SAMPLING APPLICATIONS

#66
20120035398
2012-02-09

Process to remove product alcohol from a fermentation by vaporization under vacuum

#67
20120030962
2012-02-09

System and method for solvent recovery in a batch fluidized bed process

#68
20120014854
2012-01-19

Nanoparticular metal oxide/anatase catalysts

#69
20110305617
2011-12-15

CATALYST AND METHOD FOR REMOVING FORMALDEHYDE USING THE SAME

#70
20110277846
2011-11-17

Rectangular parallelepiped fluid storage and dispensing vessel

#71
20110277633
2011-11-17

Multi-stage scrubbing system and method for ethanol vent streams

#72
20110272359
2011-11-10

Manufacturing systems with reactor units

#73
20110259191
2011-10-27

Method and apparatus for purging unwanted substances from air

#74
20110197422
2011-08-18

CONSTRUCTION METHOD FOR LARGE RADIAL ADSORBERS

#75
20110138877
2011-06-16

Helium reclamation systems and methods for a gas chromatograph

#76
20110052471
2011-03-03

CATALYTIC ABATEMENT SYSTEM FOR ORGANIC SOLVENT EMISSIONS

#77
20110044874
2011-02-24

Oxidation catalyst and method for destruction of CO, VOC and halogenated VOC

#78
20110011426
2011-01-20

PART WASHER AND PART WASHING METHOD USING THE SAME

#79
20110000258
2011-01-06

Apparatus for solvent recovery

#80
20100319536
2010-12-23

Processes for purification of acetylene

#81
20100279370
2010-11-04

Method for controlling butanol concentration in fermentation broth

#82
20100200392
2010-08-12

Photodegradation catalyst and photodegradation catalyst precursor comprising metal halide or metal oxyhalide

#83
20100154630
2010-06-24

Acetylene process gas purification methods and systems

#84
20100140144
2010-06-10

Method and apparatus for reducing additives in a hydrocarbon stream

#85
20100071550
2010-03-25

Method and apparatus for purging unwanted substances from air

#86
20100022679
2010-01-28

USE OF TIMBER MATERIALS COMPRISING POLYAMINE FOR LOWERING FORMALDEHYDE CONTENT IN AMBIENT AIR

#87
20100018935
2010-01-28

Multi-phase separation method

#88
20090173225
2009-07-09

Rectangular parallelepiped fluid storage and dispensing vessel

#89
20090038477
2009-02-12

Evaporated fuel gas adsorbent, evaporated fuel gas trapping apparatus, active carbon and process for producing the same

#90
20090025554
2009-01-29

Method of purifying large quantity of exhaust gas containing dilute volatile hydrocarbons

#91
20080219908
2008-09-11

Method for cleaning exhaust gases produced by a sintering process for ores and/or other metal-containing materials in metal production

#92
20080078293
2008-04-03

Removing method and apparatus for high-melting point compound, solvent recovering method and solvent recovering apparatus

#93
20080014433
2008-01-17

METHOD FOR REMOVING VOLATILE ORGANIC COMPOUNDS (VOCs) FROM AN AIR STREAM

#94
20070259771
2007-11-08

Catalyst for exhaust gas purification and method for exhaust gas purification

#95
20070237691
2007-10-11

Hydrogen production system and reforming apparatus

#96
20070209510
2007-09-13

Method for processing organic solvent-containing air

#97
20070081933
2007-04-12

Process for reducing the formaldehyde content of a gas

#98
20070062853
2007-03-22

Multi-phase separation system

#99
20060223892
2006-10-05

Scrubber for methanol production system

#100
20060180024
2006-08-17

Method of reusing exhaust gas in polymer production plant

#101
20060137523
2006-06-29

Regeneration of adsorption beds using heated nitrogen

#102
20060054018
2006-03-16

Rectangular parallelepiped fluid storage and dispending vessel

#103
20060037918
2006-02-23

Multi-phase separation system

#104
20050217483
2005-10-06

Ingredient and process for producing copper (I) chloride, adsorbent and adsorbing method for reductive gas each with the use of copper (I) chloride, and recovering method of carbon monoxide gas

#105
20050186350
2005-08-25

System and method for reclaiming and reuse of vehicle

#106
20050005772
2005-01-13

Multi-phase separation system