ClassID:

28437

B01D3/145 - CPC Classification

Classification description:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping; Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step One step being separation by permeation

Recent Application in this class:
#1
20250377167
2025-12-11

PASSIVE HEAT AND MASS TRANSFER SYSTEM

#2
20250361200
2025-11-27

PURIFICATION METHOD OF 3-METHOXY-N,N-DIMETHYLPROPIONAMIDE

#3
20250296011
2025-09-25

ORGANIC SOLVENT COLLECTION APPARATUS, SUBSTRATE PROCESSING APPARATUS, AND ORGANIC SOLVENT COLLECTION METHOD

#4
20250276287
2025-09-04

SYSTEMS AND METHODS FOR ORGANIC ACID RECOVERY

#5
20250222405
2025-07-10

MEMBRANE SEPARATION AND PURIFICATION APPARATUS, AND METHOD THEREOF

#6
20250205615
2025-06-26

MEMBRANE SEPARATION SYSTEM AND METHOD FOR OPERATING MEMBRANE SEPARATION SYSTEM

#7
20250083116
2025-03-13

SYSTEMS AND METHOD FOR RETROFITTING BROWNFIELD PLANTS

#8
20250058269
2025-02-20

PROCESSES FOR RECOVERING LPG FROM A REFORMING-ZONE EFFLUENT

#9
20250011699
2025-01-09

DUAL-PROCESS SOLVENT AND SUGAR PRODUCTION PLANTS

#10
20240278144
2024-08-22

DEHYDRATION SYSTEM WITH SPLIT PERMEATE OR RETENTATE HEADER

#11
20240226810
2024-07-11

Hydrophobic membranes and membrane distillation methods

#12
20240208831
2024-06-27

METHOD OF PREPARING ANHYDROUS LITHIUM IODIDE

#13
20240199466
2024-06-20

WATER TREATMENT SYSTEM

#14
20240140893
2024-05-02

High-grade ethanol production system

#15
20240050898
2024-02-15

Filtering device, purification device, and method for manufacturing chemical liquid

#16
20240033652
2024-02-01

PROCESS AND SYSTEM FOR DEHYDRATING A PRODUCT STREAM IN ETHANOL PRODUCTION

#17
20240010920
2024-01-11

DEPOLYMERIZATION OF RECOVERED PLASTIC MATERIALS

#18
20240003631
2024-01-04

PASSIVE HEAT AND MASS TRANSFER SYSTEM

#19
20230357451
2023-11-09

ALKYLATED CYCLODEXTRIN COMPOSITIONS AND PROCESSES FOR PREPARING AND USING THE SAME

#20
20230356151
2023-11-09

FILTER DEVICE, PURIFICATION DEVICE, CHEMICAL SOLUTION PRODUCTION METHOD

#21
20230338889
2023-10-26

FACILITY AND METHOD FOR PRODUCING BIOMETHANE WITH LIMITED METHANE LOSS AND LIMITED CO2 EMISSIONS

#22
20230242400
2023-08-03

Method for purifying hydrogen peroxide

#23
20230233995
2023-07-27

MODIFIED KALINA SYSTEM FOR EFFICIENT POWER AND WATER PRODUCTION

#24
20230219878
2023-07-13

Process for Recovering Oxidation By-Products

#25
20230191277
2023-06-22

Energy saving and emission reduction system for chemical separation and purification process

#26
20230182076
2023-06-15

METHODS OF DEWATERING OF ALCOHOLIC SOLUTIONS VIA FORWARD OSMOSIS AND RELATED SYSTEMS

#27
20230133006
2023-05-04

METHOD FOR PRODUCING PURIFIED ACETIC ACID

#28
20230022441
2023-01-26

Depolymerization of recovered plastic materials

#29
20230014345
2023-01-19

APPARATUS SYSTEM AND METHOD TO DESALINATE WATER

#30
20220401851
2022-12-22

Dividing wall column separator with intensified separations

#31
20220306948
2022-09-29

METHOD FOR PROCESSING A GASEOUS COMPOSITION

#32
20220298094
2022-09-22

Process for preparing methacrolein from formaldehyde and propionaldehyde and preparation plant for the purpose

#33
20220298088
2022-09-22

Process of preparing alcohols

#34
20220213013
2022-07-07

System of concentrating and separating waste solvent liquid

#35
20220048841
2022-02-17

High-grade ethanol production process

#36
20210380504
2021-12-09

Process for 1-butene production from n-butane dehydrogenation through efficient downstream separations

#37
20210363553
2021-11-25

DEVICE FOR FERMENTATION INTEGRATED WITH SEPARATION AND PURIFICATION OF ALCOHOLS

#38
20210363081
2021-11-25

Alcohol solvent recovery and plant oil decarboxylation apparatus and method

#39
20210322925
2021-10-21

Hydrophobic membranes and membrane distillation methods

#40
20210275967
2021-09-09

OSMOTICALLY DRIVEN MEMBRANE PROCESSES AND SYSTEMS AND METHODS FOR DRAW SOLUTE RECOVERY

#41
20210261427
2021-08-26

Process for the production of metal oxides

#42
20210130259
2021-05-06

Oxidative coupling of methane

#43
20210113937
2021-04-22

Process and system for dehydrating a product stream in ethanol production

#44
20210101116
2021-04-08

Apparatus system and method to seperate brine from water using heat energy recovery

#45
20210055056
2021-02-25

Passive heat and mass transfer system

#46
20210017045
2021-01-21

GAS PHASE PHOTOLYTIC OXIDATION FOR WATER PURIFICATION

#47
20210002195
2021-01-07

PROCESS AND SYSTEMS FOR OBTAINING 1,4-BUTANEDIOL FROM FERMENTATION BROTHS

#48
20210001274
2021-01-07

Super-hydrophobic nano-porous/micro-porous composite membranes for membrane distillation operating at low inlet feed temperatures with low energy consumption

#49
20200392062
2020-12-17

Process for preparing carboxylic acids or salts thereof from hydrocarbons

#50
20200368693
2020-11-26

Filtering device, purification device, and method for manufacturing chemical liquid

#51
20200368692
2020-11-26

Filtering device, purification device, and method for manufacturing chemical liquid

#52
20200368691
2020-11-26

Filtering device, purification device, and method for manufacturing chemical liquid

#53
20200360862
2020-11-19

Filter device, purification device, chemical solution production method

#54
20200254379
2020-08-13

Glycol drying system and method for glycol drying

#55
20200198991
2020-06-25

SYSTEMS AND METHODS FOR RECOVERY OF PURIFIED WATER AND CONCENTRATED BRINE

#56
20200086227
2020-03-19

Process and system for dehydrating a product stream in ethanol production

#57
20200061260
2020-02-27

DEVICE AND METHOD FOR THE PREPARATION OF PLATELET RICH PLASMA

#58
20200030723
2020-01-30

CLEANING SOLUTION FILTER FOR LINEAR COATER, METHOD FOR FILTERING CLEANING SOLUTION AND LINEAR COATER

#59
20200002252
2020-01-02

Process for producing para-xylene using a step in a simulated moving bed and a step of fractionation via a three-fraction column

#60
20200001198
2020-01-02

Process for separation of propylene from a liquefied petroleum gas stream

#61
20190390126
2019-12-26

Methods for separating wax products from hydrocarbon feedstreams

#62
20190352509
2019-11-21

Process for extraction and isolation of biochemical constituents from algae

#63
20190352244
2019-11-21

Method for producing high concentration alcohol

#64
20190336882
2019-11-07

Process and system for dehydrating a product stream in ethanol production

#65
20190263741
2019-08-29

Method for producing high-concentration alcohol

#66
20190248717
2019-08-15

OXIDATIVE DEHYDROGENATION OF ALKANES TO ALKENES, AND RELATED SYSTEM

#67
20190209976
2019-07-11

Methods of filtering hydrocarbons from an aqueous mixture

#68
20190177255
2019-06-13

PROCESS AND SYSTEMS FOR OBTAINING 1,4-BUTANEDIOL FROM FERMENTATION BROTHS

#69
20190161366
2019-05-30

Integrated system with an absorption refrigeration subsystem and a desalination subsystem

#70
20190100479
2019-04-04

Method and system for light olefin separation

#71
20190093134
2019-03-28

Method and device for fermentation integrated with separation and purification of alcohols

#72
20190060834
2019-02-28

Apparatus system and method to separate brine from water

#73
20190023585
2019-01-24

Method and apparatus for the recovery and deep treatment of polluted acid

#74
20180370816
2018-12-27

SYSTEMS AND METHODS FOR RECOVERY OF PURIFIED WATER AND CONCENTRATED BRINE

#75
20180363986
2018-12-20

Passive heat and mass transfer system

#76
20180363978
2018-12-20

TREATING RAW NATURAL GAS

#77
20180311618
2018-11-01

Methods of dewatering of alcoholic solutions via forward osmosis and related systems

#78
20180257965
2018-09-13

Membrane treatment of ammonia-containing waste water

#79
20180236372
2018-08-23

PRODUCTION OF MULTIVALENT ION-RICH STREAMS USING HUMIDIFICATION-DEHUMIDIFICATION SYSTEMS

#80
20180079662
2018-03-22

Systems and methods for recovery of purified water and concentrated brine

#81
20170362156
2017-12-21

Process for making acrylic acid from dextrose

#82
20170349530
2017-12-07

Method and apparatus for purification of dimethyl carbonate using pervaporation

#83
20170233773
2017-08-17

Method for producing 3-hydroxypropanal

#84
20170226538
2017-08-10

Product management in biological conversion processes

#85
20170225098
2017-08-10

Low pressure separator having an internal divider and uses therefor

#86
20170217789
2017-08-03

Hybrid desalination system

#87
20170204030
2017-07-20

Method for producing high-concentration alcohol

#88
20170203230
2017-07-20

System for the Purification of an Organic Solvent and a Process for the use Thereof

#89
20170100705
2017-04-13

Molecular sieve depressurization system utilizing a low pressure inductor type vapor condenser

#90
20160376217
2016-12-29

Purification of (meth)acrylic esters by membrane separation dehydration

#91
20160326473
2016-11-10

Device and method for producing a dealcoholized beverage

#92
20160326002
2016-11-10

PROCESS FOR PREPARING HIGH-PURITY SEMI-METAL COMPOUNDS

#93
20160313058
2016-10-27

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

#94
20160207858
2016-07-21

Method for purifying isopropyl alcohol

#95
20160122267
2016-05-05

Method for producing bio-methanol at pulp mills

#96
20160107964
2016-04-21

Method for condensing water-soluble organic matter and device for condensing water-soluble organic matter

#97
20160107121
2016-04-21

Hydrophobic air-gap membrane distillation

#98
20160052845
2016-02-25

Process of producing 1,4-butanediol

#99
20150276309
2015-10-01

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

#100
20150251924
2015-09-10

Systems and methods for water desalination and power generation

#101
20150224420
2015-08-13

PROCESSES FOR THE PRODUCTION OF PLURAL ANHYDROUS ALCOHOLS

#102
20150014144
2015-01-15

Cooling device

#103
20140318945
2014-10-30

Distillation station

#104
20130220792
2013-08-29

Method of treatment of amine waste water and a system for accomplishing the same

#105
20130206576
2013-08-15

Processing plant for performing membrane-based hybrid process for separation of mixtures of organics, solids, and water

#106
20130092026
2013-04-18

Chilled ammonia based COcapture system with wash system and processes of use

#107
20130015052
2013-01-17

Liquid separation by membrane assisted vapor stripping process

#108
20120237980
2012-09-20

Continuous counter-current organosolv processing of lignocellulosic feedstocks

#109
20120233920
2012-09-20

Separation of light hydrocarbons and sour species from a sour gas

#110
20120137727
2012-06-07

Membrane-augmented distillation with compression and condensation to separate solvents from water

#111
20120067819
2012-03-22

Osmotically driven membrane processes and systems and methods for draw solute recovery

#112
20120065450
2012-03-15

Process that utilizes combined distillation and membrane separation in the separation of an acidic contaminant from a light hydrocarbon gas stream

#113
20120000762
2012-01-05

Solar thermal system for the partial desalination of seawater and electrical energy

#114
20110209391
2011-09-01

Process for the purification of an aqueous stream coming from the fischer-tropsch reaction

#115
20110152584
2011-06-23

Method and apparatus for dewatering a mixture of ethanol and water

#116
20110152583
2011-06-23

Purification of biologically-produced 1,3-propanediol

#117
20110152581
2011-06-23

Purification Of Biologically-Produced 1,3-Propanediol

#118
20110144371
2011-06-16

PROCESS FOR PURIFYING DIALKYL CARBONATES

#119
20110130598
2011-06-02

Membrane augmented distillation to separate solvents from water

#120
20100270139
2010-10-28

Method for dewatering a mixture of mostly ethanol and water

#121
20100243549
2010-09-30

Pervaporation assembly

#122
20100090165
2010-04-15

PROCESS AND APPARATUS FOR TREATMENT OF ORGANIC SOLVENTS

#123
20090301970
2009-12-10

ETHANOL PLANT RETROFIT WITH VAPOUR SEPARATION MEMBRANES

#124
20090152199
2009-06-18

High-temperature membrane distillation

#125
20090118477
2009-05-07

Continuous counter-current organosolv processing of lignocellulosic feedstocks

#126
20090057128
2009-03-05

Liquid separation by membrane assisted vapor stripping process

#127
20090008235
2009-01-08

Membrane-based hybrid process for separation of mixtures of organics, solids, and water

#128
20080207959
2008-08-28

Ethanol processing with vapour separation membranes

#129
20080202333
2008-08-28

Method and apparatus for separating a solution

#130
20080164207
2008-07-10

Pervaporation process and assembly

#131
20060070867
2006-04-06

Method for concentrating water-soluble organic material

#132
20050069997
2005-03-31

Purification of biologically-produced 1,3-propanediol

#133
16599933
2022-10-25

System and method for synthesis of dialkyl carbonates using carbon dioxide reaction with methanol and ammonia

#134
16023863
2019-11-12

Process for separation of propylene from a liquefied petroleum gas stream

#135
16023431
2019-11-12

Process for separation of propylene from a liquefied petroleum gas stream

#136
15400546
2019-11-26

Process and system for dehydrating a byproduct stream in ethanol production

#137
14964563
2017-01-10

Combination multi-effect distillation and multi-stage flash evaporation system