ClassID:

28452

B01D3/32 - 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 Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups  - 

Sub-classes:
Recent Application in this class:
#1
20260132156
2026-05-14

METHODS FOR PURIFYING TIN COMPOUND

#2
20260115623
2026-04-30

DIVIDING WALL COLUMN FOR EFFICIENT HYDROCARBON SEPARATION

#3
20260035622
2026-02-05

INTEGRATED COMPRESSION AND STABILIZATION SYSTEM

#4
20250262564
2025-08-21

METHODS OF NEUTRALIZING TETRAHYDROCANNABINOL IN A CANNABINOID SAMPLE

#5
20250196020
2025-06-19

EQUIPMENT FOR PRODUCTION OF BUTANOL AND OCTANOL AND TRIPLE-EFFECT DISTILLATION METHOD

#6
20250180295
2025-06-05

DISTILLATION UNIT

#7
20250179101
2025-06-05

METHODS FOR PURIFYING TIN COMPOUNDS

#8
20250128234
2025-04-24

APPARATUSES AND PROCESSES FOR DISTILLATION AND DISTILLATION COLUMN ASSEMBLY

#9
20240307796
2024-09-19

DEVICE FOR INSERTING A SECTION OF PACKING

#10
20240299859
2024-09-12

Multi-component mixture separation system

#11
20240238752
2024-07-18

PROCESS FOR INSTALLING A SECTION OF PACKING IN A CASING

#12
20240165535
2024-05-23

FRACTIONAL DISTILLATION SYSTEM AND METHOD

#13
20240165534
2024-05-23

DEHYDROGENATION AND PYROLYSIS PRODUCT RECOVERY WITH A COMMON DEPROPANIZER

#14
20240157268
2024-05-16

PROCESS AND DEVICE FOR DISTILLING CARBON DIOXIDE

#15
20240141466
2024-05-02

DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF

#16
20240124781
2024-04-18

HORIZONTAL ROTATING DRUM RETORT, DISTILLATION COLUMN, AND DISTILLATION SYSTEM

#17
20240101430
2024-03-28

METHOD AND APPARATUS FOR SEPARATING A FLOW RICH IN CARBON DIOXIDE BY DISTILLATION TO PRODUCE LIQUID CARBON DIOXIDE

#18
20240084202
2024-03-14

Emergency Distillation Column and Use Thereof

#19
20240082802
2024-03-14

SLURRY PUMPAROUND SECTION OF A FLUID CATALYTIC CRACKING UNIT FRACTIONATOR

#20
20240035135
2024-02-01

DUPLEX STAINLESS STEEL AND USE THEREOF

#21
20240034710
2024-02-01

PROCESS FOR THE RECOVERY OF A LIGHT BOILER AND A HEAVY BOILER FROM A VAPOR STREAM

#22
20240033653
2024-02-01

Three phase separation in a distillation column

#23
20230415065
2023-12-28

Processes and Apparatuses for Distillation of an Acetic Acid and Propionic Acid-Containing Stream in an Acetic Acid Production Unit

#24
20230406699
2023-12-21

AMMONIA DISSOCIATION PROCESS

#25
20230322648
2023-10-12

Composite adsorbent for separation of ethylbenzene by adsorption distillation and application thereof

#26
20230303467
2023-09-28

PROCESS AND PLANT FOR PREPARING PURIFIED BENZENE COMPOSITION FROM CRUDE HYDROCARBON STREAM CONTAINING BENZENE

#27
20230295524
2023-09-21

Systems and methods for treating pyrolysis oil

#28
20230249954
2023-08-10

DEVICE FOR GRIPPING A PACKING SECTION

#29
20230249097
2023-08-10

Device for inserting a packing section

#30
20230249096
2023-08-10

Device for inserting a section of packing

#31
20230191359
2023-06-22

Process for installing a section of packing in a casing

#32
20230173508
2023-06-08

Nanoparticle Mass Purification System and Nanoparticle Mass Purification Method Using Same

#33
20220395764
2022-12-15

MASS TRANSFER COLUMNS AND METHODS OF CONSTRUCTION

#34
20220395763
2022-12-15

MASS TRANSFER COLUMNS AND METHODS OF CONSTRUCTION

#35
20220387904
2022-12-08

Short path distillation head

#36
20220370930
2022-11-24

Stripping device and stripping method

#37
20220233970
2022-07-28

COLUMN FOR EXCHANGING HEAT AND/OR MASS

#38
20220195311
2022-06-23

Depolymerisation method

#39
20220184522
2022-06-16

MONOBLOC ASSEMBLY FOR A DEVICE WHICH CAN CARRY OUT TRANSFER OF HEAT

#40
20220143526
2022-05-12

Vapor distributor for a mass transfer column and method involving same

#41
20220134252
2022-05-05

ENCLOSED PARTITION DIVIDING WALL DISTILLATION COLUMN AND USES THEREOF

#42
20220112585
2022-04-14

DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF

#43
20220096955
2022-03-31

Primary fractionator with reduced fouling

#44
20220054980
2022-02-24

Method and apparatus for separation of 13C16O from natural CO

#45
20220049164
2022-02-17

EMERGENCY DISTILLATION COLUMN AND USE THEREOF

#46
20220049163
2022-02-17

Horizontal rotating drum retort, distillation column, and distillation system

#47
20220041528
2022-02-10

System for recovery of propylene from a propane dehydrogenation process

#48
20220017840
2022-01-20

Continuous fractionation of crude tall oil to refined tall diesel

#49
20220017384
2022-01-20

Bubble-Column-Humidification Apparatus and Method

#50
20210402320
2021-12-30

CONTINUOUS VACUUM FRACTIONATION SYSTEM FOR SEPARATION OF VARIABLE CANNABIS EXTRACTS

#51
20210346819
2021-11-11

SYSTEM AND METHOD FOR FRACTIONAL DISTILLATION

#52
20210277035
2021-09-09

Preparation of isocyanatosilanes

#53
20210261483
2021-08-26

Method for producing paraxylene using a simulated moving-bed step, and a step of fractionating two fractions in a two-section column

#54
20210197106
2021-07-01

Inlet vane device and vessel containing same

#55
20210178284
2021-06-17

Liquid de-entrainment in heat exchange equipment

#56
20210172407
2021-06-10

Separating a fuel on-board a vehicle

#57
20210154594
2021-05-27

LIQUID DISTRIBUTOR FOR A SEPARATION DEVICE COMPRISING A SCREEN MADE OF A CARBON COMPOSITE MATERIAL

#58
20210140072
2021-05-13

Method for separating unreacted monomer from mixture solution including unreacted monomer

#59
20210087124
2021-03-25

Reactive distillation for forming surfactants

#60
20210070675
2021-03-11

Process for recovery of propylene from a propane dehydrogenation process

#61
20210016200
2021-01-21

Method of separating organic solvent from mixed solution containing the organic solvent

#62
20210009858
2021-01-14

Process and apparatus for treating tall oil

#63
20210009548
2021-01-14

BURST ATOMIZATION FRACTIONATION SYSTEM, METHOD AND APPARATUS

#64
20210001245
2021-01-07

Diabatic distillation column

#65
20210001244
2021-01-07

Short distillation head with bulbous lower collector

#66
20200407300
2020-12-31

Method and apparatus for decomposing phenolic by-product

#67
20200392056
2020-12-17

PROCESS FOR PRODUCING HIGHLY PURE CHLORINATED ALKANE

#68
20200384382
2020-12-10

Automatic tritium extraction device and method for environmental monitoring

#69
20200369969
2020-11-26

Method and system for obtaining polymerizable aromatic compounds

#70
20200369588
2020-11-26

Method for producing dimethylolbutanal and distillation apparatus for producing same

#71
20200356120
2020-11-12

Vapor splitter and method for adjusting vapor split ratio

#72
20200338468
2020-10-29

Short distillation head with integrated cooling jacket

#73
20200308108
2020-10-01

Method of distilling dimethyl sulfoxide and multistage distillation tower

#74
20200290010
2020-09-17

METHOD AND APPARATUS FOR REDUCING VAPOR BYPASS IN A DISTILLATION COLUMN HAVING STRUCTURED PACKING

#75
20200282327
2020-09-10

System for energy regeneration using mechanical vapor recompression in combined chemical process

#76
20200230518
2020-07-23

Method for separating and purifying mixture having small difference in boiling points

#77
20200181505
2020-06-11

Distillation Process Particularly Suitable for Crude Oils that are Difficult to Desalt and for Opportunity Crude Oils, and Associated Devices and Column

#78
20200172410
2020-06-04

WASTE WATER TREATMENT

#79
20200114312
2020-04-16

High length isotopes separation column and method for assembly

#80
20200102512
2020-04-02

Method and apparatus for preventing coke formation in the reactor vapor feed nozzle of a fluid catalytic cracking unit (FCCU) main fractionator column

#81
20200003082
2020-01-02

Energy-recovery turbines for gas streams

#82
20190352241
2019-11-21

PROCESS FOR PRODUCING HIGHLY PURE CHLORINATED ALKANE

#83
20190321750
2019-10-24

Short distillation head with bulbous lower collector

#84
20190321747
2019-10-24

Short distillation head comprising a vertical tube filled with a key

#85
20190321746
2019-10-24

Distillation apparatus

#86
20190282920
2019-09-19

Purification of mercaptans or thiophenes using dividing wall column distillation

#87
20190276379
2019-09-12

Process for producing highly pure chlorinated alkane

#88
20190225567
2019-07-25

System for producing phenol and bisphenol A including removal unit for removing methanol and acetone

#89
20190177620
2019-06-13

Process for conversion of plastics into fuel

#90
20190126195
2019-05-02

EXTERNAL GAS MIXING PIPE FOR LIQUID-GAS CONTACTING UNIT

#91
20190083899
2019-03-21

Apparatus and method installing a packing disk of a structured packing into a vessel of a material-exchange column

#92
20190076752
2019-03-14

High efficiency distillation head and methods of use

#93
20190072337
2019-03-07

Recovery and re-use of waste energy in industrial facilities

#94
20190072336
2019-03-07

Recovery and re-use of waste energy in industrial facilities

#95
20190070580
2019-03-07

Packing assembly, material exchange column, and method

#96
20190060782
2019-02-28

PURIFICATION DEVICE, PURIFICATION METHOD, MANUFACTURING DEVICE, MANUFACTURING METHOD OF CHEMICAL LIQUID, CONTAINER, AND CHEMICAL LIQUID STORAGE CONTAINER

#97
20190023637
2019-01-24

Hydroformylation process

#98
20190023634
2019-01-24

Method for purifying phenol

#99
20190009188
2019-01-10

Bulbous fractional collector in distillation head

#100
20180361270
2018-12-20

Distillation device comprising a column which as three or a plurality of cells in series through which fluid flows and method for distilling or extractive distillation by use of the distillation device

#101
20180327278
2018-11-15

Multi-stage bubble column humidification and dehumidification

#102
20180318728
2018-11-08

Distillation column and use thereof for cleaning isocyanates

#103
20180304192
2018-10-25

COLUMN FOR EXCHANGING HEAT AND/OR MATERIAL BETWEEN TWO FLUIDS COMPRISING A COLLECTOR TRAY AND GAS MIXING MEANS

#104
20180282683
2018-10-04

Methods and apparatus for separating ethanol from fermented biomass

#105
20180257001
2018-09-13

Packed column

#106
20180245547
2018-08-30

Separating a fuel on-board a vehicle

#107
20180243664
2018-08-30

Column with at least one partition

#108
20180217618
2018-08-02

Vapor splitter and method for adjusting vapor split ratio

#109
20180209022
2018-07-26

Duplex stainless steel and formed object thereof

#110
20180207543
2018-07-26

DISTILLATION SYSTEM AND DISTILLATION METHOD THEREOF

#111
20180202721
2018-07-19

Recovery and re-use of waste energy in industrial facilities

#112
20180194644
2018-07-12

Apparatus and method for reactive distillation for waste water treatment

#113
20180178172
2018-06-28

Contact tray having picketed liquid flow barriers and method involving same

#114
20180178141
2018-06-28

Distillation method

#115
20180169542
2018-06-21

Distillation device

#116
20180161693
2018-06-14

Integrated distillation chamber and discharge unit with integrated key

#117
20180119024
2018-05-03

METHODS FOR TREATING BITUMEN MIXTURES

#118
20180094866
2018-04-05

Systems for recovery and re-use of waste energy in hydrocracking-based configuration for integrated crude oil refining and aromatics complex

#119
20180094865
2018-04-05

Systems for recovery and re-use of waste energy in hydrocracking-based configuration for integrated crude oil refining and aromatics complex

#120
20180094864
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining and aromatics complex

#121
20180094863
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining facility and aromatics complex

#122
20180094862
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining facility and aromatics complex through simultaneous intra-plant integration and plants' thermal coupling

#123
20180094861
2018-04-05

Recovery and re-use of waste energy in industrial facilities

#124
20180029960
2018-02-01

Process for producing highly pure chlorinated alkane

#125
20170355654
2017-12-14

Hydrocarbon gas processing

#126
20170355653
2017-12-14

Hydrocarbon processing

#127
20170348610
2017-12-07

High efficiency distribution adapter and method of use

#128
20170340988
2017-11-30

Equal temperature distillation chamber and method

#129
20170340985
2017-11-30

GAS DISTRIBUTION STRUCTURE FOR DISTILLATION COLUMN AND CONTROL METHOD THEREOF

#130
20170320796
2017-11-09

Distillation method

#131
20170283711
2017-10-05

METHODS FOR FRACTIONATION OF LUBRICANT FEEDS

#132
20170225100
2017-08-10

DISTILLATION DEVICE

#133
20170210999
2017-07-27

Method for recycling liquid waste

#134
20170209807
2017-07-27

Alkylation system and a process for cooling a vent stream

#135
20170173492
2017-06-22

Column for thermal treatment of fluid mixtures

#136
20170158583
2017-06-08

Column with separative installations for separating a mixture of hydrocarbons and/or hydrocarbon derivatives by means of an extractive distillation using a selective solvent

#137
20170129835
2017-05-11

System for regenerating mono ethylene glycol and a method thereof

#138
20170113160
2017-04-27

Distillation key and method of use

#139
20170082374
2017-03-23

Recovery and re-use of waste energy in industrial facilities

#140
20170082373
2017-03-23

Recovery and re-use of waste energy in industrial facilities

#141
20170059261
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#142
20170059260
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#143
20170059259
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#144
20170058720
2017-03-02

Power generation from waste heat in integrated crude oil refining, aromatics, and utilities facilities

#145
20170058718
2017-03-02

Power generation using independent triple organic rankine cycles from waste heat in integrated crude oil refining and aromatics facilities

#146
20170058703
2017-03-02

Power generation from waste heat in integrated hydrocracking and diesel hydrotreating facilities

#147
20170058208
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#148
20170058207
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#149
20170058206
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#150
20170036139
2017-02-09

Distillation system using multi stage stripper capable of integrated operation and steam consumption reduction

#151
20170036138
2017-02-09

Distillation apparatus

#152
20170014730
2017-01-19

COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS

#153
20170014729
2017-01-19

COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS

#154
20170001937
2017-01-05

Process for producing acetic acid

#155
20160332090
2016-11-17

System for fluid redistribution

#156
20160313077
2016-10-27

Gas distributor for heat exchange and/or mass transfer column

#157
20160304660
2016-10-20

Distilled epoxy novolac resins

#158
20160229770
2016-08-11

Process for the purification of a cracking gas stream in an oil scrub column

#159
20160216051
2016-07-28

Gas distributor for heat exchange and/or mass transfer column

#160
20160193541
2016-07-07

Distillation apparatus

#161
20160193540
2016-07-07

Divided wall distillation column

#162
20160158667
2016-06-09

Distillation device

#163
20160136569
2016-05-19

Systems and methods for improved column operation in offshore environments

#164
20160129368
2016-05-12

Components of a distillation apparatus, method for their production and uses thereof

#165
20160107958
2016-04-21

Process for producing highly pure chlorinated alkane

#166
20160040929
2016-02-11

Column for thermal treatment of a fluid

#167
20150368121
2015-12-24

Multi-stage bubble column humidifier

#168
20150362251
2015-12-17

Method for separating a feed gas in a column

#169
20150321118
2015-11-12

Multi-stage bubble column humidification and dehumidification

#170
20150315105
2015-11-05

Hydrocarbon processing

#171
20150298024
2015-10-22

System and method of distillation process and turbine engine intercooler

#172
20150266908
2015-09-24

FLAME RETARDANT COMPRISING AROMATIC PHOSPHATE ESTER-BASED COMPOUND, AND METHOD FOR PREPARING SAME

#173
20150183696
2015-07-02

Naphthalene-Depleted Fluids

#174
20150159943
2015-06-11

Method and device for separating hydrocarbons and contaminants with a spray assembly

#175
20150135954
2015-05-21

Method and apparatus for circulating a glycol stream, and method of producing a natural gas product stream

#176
20150094509
2015-04-02

Systems and methods for producing desired xylene isomers

#177
20150083578
2015-03-26

Method and apparatus for preparing isopropyl alcohol

#178
20150073196
2015-03-12

Hydrocarbon gas processing

#179
20150068886
2015-03-12

WATER DISTILLING APPARATUS USING SATURATED AIR CURRENTS AND METHODS FOR MAXIMISING THE PERFORMANCE THEREOF

#180
20150041307
2015-02-12

Split-shell fractionation columns and associated processes for separating aromatic hydrocarbons

#181
20150038755
2015-02-05

Processes and systems for separating streams to provide a transalkylation feed stream in an aromatics complex

#182
20150031905
2015-01-29

Alkylene oxide separation systems, methods, and apparatuses

#183
20140348619
2014-11-27

Method for moving a packed section about a remote manufacturing yard

#184
20140346792
2014-11-27

System for distributing the weight of a column section

#185
20140345975
2014-11-27

Scaffolding assembly

#186
20140345504
2014-11-27

Assembly table for building air separation units remotely

#187
20140345490
2014-11-27

System for moving heavy objects about a remote manufacturing yard

#188
20140345352
2014-11-27

Trolley and method of using the trolley for vertical rolling

#189
20140345206
2014-11-27

Weather shelter for use in a remote manufacturing yard

#190
20140345140
2014-11-27

Method for building air separating units in a remote manufacturing yard

#191
20140345115
2014-11-27

Remote manufacturing yard

#192
20140345114
2014-11-27

Yard leveling base and method of using the same

#193
20140345106
2014-11-27

Method for installing a condenser in a remote manufacturing yard

#194
20140345102
2014-11-27

Method of installing packing in a remote manufacturing yard

#195
20140288905
2014-09-25

Highly accurate correlating method for phase equilibrium data, and phase equilibrium calculation method

#196
20140262741
2014-09-18

HEAT TRANSFER IN DISTILLATION COLUMNS

#197
20140262735
2014-09-18

SYSTEM AND METHOD FOR TREATING CONTAMINATED WATER

#198
20140179975
2014-06-26

SPLIT-SHELL RAFFINATE COLUMNS AND METHODS FOR USE IN CONTINUOUS ADSORPTIVE SEPARATION PROCESSES

#199
20140171715
2014-06-19

Split-shell fractionation columns and associated processes for separating aromatic hydrocarbons

#200
20140150494
2014-06-05

Method for optimizing energy efficiency in a polymerization process

#201
20140138237
2014-05-22

Dual-mode dividing wall column

#202
20140131191
2014-05-15

Distillation apparatus and method for controlling the same

#203
20140103550
2014-04-17

Structured packing for gas-liquid mass transfer unit

#204
20140090971
2014-04-03

Method for manufacturing isopropyl alcohol

#205
20140061025
2014-03-06

Distillation column and method for distilling acrylic acid

#206
20140061020
2014-03-06

Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s)

#207
20140027266
2014-01-30

Apparatus for measurement and calculation of dew point for fractionation column overheads

#208
20140008207
2014-01-09

Heat integrated distillation column using structured packing

#209
20130298598
2013-11-14

Method and device for condensing a first fluid rich in carbon dioxide using a second fluid

#210
20130267751
2013-10-10

Process and equipment for separating 1,2,4 trimethylbenzene (pseudocumene) from a mixture containing aromatic hydrocarbons

#211
20130240345
2013-09-19

MICROWAVE-BASED METHOD AND DEVICE FOR PRODUCING HIGH-PURITY LIQUIDS

#212
20130233016
2013-09-12

Structured Packing

#213
20130140722
2013-06-06

Distillation column having enlarged downcomers and method of downcomer enlargement

#214
20130105502
2013-05-02

Latch for a hydroprocessing vessel and method relating thereto

#215
20130019556
2013-01-24

SPACE TRUSS SUPPORT DEVICE IN LARGE-SCALE TOWER

#216
20120292791
2012-11-22

Use of downcomer beam to support adjacent cross flow trays within a mass transfer column and process involving same

#217
20120256331
2012-10-11

COLUMN WITH CARRYING DEVICES FOR COLUMN INTERNALS

#218
20120199467
2012-08-09

Separation of components from a multi-component hydrocarbon stream which includes ethylene

#219
20120103013
2012-05-03

Vapor and liquid flow control in a dividing wall fractional distillation column

#220
20120043196
2012-02-23

VERSATILE DISTILLATION CELL

#221
20120039754
2012-02-16

Headless suspended lass transfer and reaction tower

#222
20120034139
2012-02-09

Suspended mass transfer and reaction tower

#223
20110308932
2011-12-22

Feed section of a separation column

#224
20110308931
2011-12-22

Feed section of a separation column

#225
20110290634
2011-12-01

Method for fabricating divided wall columns

#226
20110272267
2011-11-10

Heat pump distillation

#227
20110266131
2011-11-03

Heat pump distillation

#228
20110239863
2011-10-06

Stripping column and process for extracting a component from a liquid medium

#229
20110226607
2011-09-22

Systems and processes for improving distillate yield and quality

#230
20110210457
2011-09-01

Contactor

#231
20110168542
2011-07-14

Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s)

#232
20110139598
2011-06-16

DISTILLATION COLUMN WITH FIREBREAK DEVICE

#233
20110061224
2011-03-17

Modular reactive distillation emulation elements integrated with instrumentation, control, and simulation algorithms

#234
20110041549
2011-02-24

Method for cooling in distillation and polymerisation process by absorption refrigeration

#235
20110036702
2011-02-17

Process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive useful products

#236
20100329946
2010-12-30

Alkylation system and a process for cooling a vent stream

#237
20100242730
2010-09-30

Contacting stages for co-current contacting apparatuses

#238
20100126843
2010-05-27

Process for distillatively obtaining pure 1,3-butadiene from crude 1,3-butadiene

#239
20100018896
2010-01-28

Process for flexible vacuum gas oil conversion using divided wall fractionation

#240
20090326257
2009-12-31

Process for industrially producing dialkyl carbonate and diol

#241
20090288940
2009-11-26

Distillation Process

#242
20090288939
2009-11-26

Distillation Apparatus

#243
20090270656
2009-10-29

Industrial Process for Producing High-Purity Diol

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