ClassID:

28444

B01D3/20 - 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; Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates Bubble caps; Risers for vapour; Discharge pipes for liquid

Sub-classes:
Recent Application in this class:
#1
20250320412
2025-10-16

APPARATUSES AND METHODS FOR IMPROVED DISTILLATION OF SUSTAINABLE AVIATION FUEL

#2
20240400480
2024-12-05

Process and apparatus for the preparation of alkylene glycol

#3
20230052743
2023-02-16

Separation Process and Apparatus

#4
20220168663
2022-06-02

MASS TRANSFER ASSEMBLY AND COLUMN WITH DIVIDING WALL AND METHODS INVOLVING SAME

#5
20220040595
2022-02-10

A PERFORATED-TRAY COLUMN AND A METHOD OF REVAMPING THE SAME

#6
20220009862
2022-01-13

Process and apparatus for the preparation of alkylene glycol

#7
20210178282
2021-06-17

Mass transfer assembly and column with dividing wall and methods involving same

#8
20210170300
2021-06-10

Multiple downcomer trays

#9
20210146273
2021-05-20

DISTRIBUTOR TRAY FOR A FRACTIONATING COLUMN, COMPRISING A COMPARTMENT FOR DISTRIBUTING GAS

#10
20200338470
2020-10-29

Distributor tray with compartments and gas risers of the same shape for an offshore gas/liquid contact column

#11
20190299117
2019-10-03

Apparatus for gas-liquid contacting

#12
20190143242
2019-05-16

Fluid collection device, material exchange column and method for producing a fluid collection device of this type

#13
20180318752
2018-11-08

Gas redirecting device for liquid-gas contacting column

#14
20180292129
2018-10-11

Method for liquid-vapor contacting in a mass transfer column using multiple pass, parallel flow downcomer trays

#15
20180257001
2018-09-13

Packed column

#16
20180214791
2018-08-02

VALVE FOR CARRYING OUT A MASS TRANSFER PROCESS

#17
20180140966
2018-05-24

Exchange column distributor tray comprising a dispersive material within a chimney for gas passage

#18
20180117557
2018-05-03

Column and process for disproportionation of chlorosilanes into monosilane and tetrachlorosilane and plant for production of monosilane

#19
20170348609
2017-12-07

Fluid contact tray particularly for the use in an offshore fractionation column

#20
20170313596
2017-11-02

Single downcomer bubble column

#21
20170291119
2017-10-12

Process and apparatus for the preparation of alkylene glycol

#22
20170173492
2017-06-22

Column for thermal treatment of fluid mixtures

#23
20170173491
2017-06-22

Chimney tray for a column for thermal treatment of fluid mixtures

#24
20170120162
2017-05-04

Curved liquid collector trays useful in pressure vessels

#25
20160332090
2016-11-17

System for fluid redistribution

#26
20160288013
2016-10-06

Multi-stage bubble column humidifier apparatus

#27
20160271516
2016-09-22

Crossflow tray for a mass transfer column, mass transfer column and use of the mass transfer column

#28
20160151722
2016-06-02

Liquid mixing collector and a method for its use

#29
20160138864
2016-05-19

Liquid collection system

#30
20160040929
2016-02-11

Column for thermal treatment of a fluid

#31
20150352464
2015-12-10

Hybrid contact tray for a mass transfer column

#32
20150352462
2015-12-10

Hybrid contact tray for a mass transfer column

#33
20150330726
2015-11-19

Distributor in mass transfer column and method of use

#34
20150202578
2015-07-23

Distributor tray for gas/liquid exchange column with liquid deflector

#35
20150182872
2015-07-02

Mass transfer tray

#36
20150052941
2015-02-26

Fractionation system having rectifying and stripping columns in a single vessel with a uniform diameter

#37
20140364650
2014-12-11

Distributor plate for a gas-liquid mixture, provided with distribution elements having low sensitivity to a lack of horizontality

#38
20140345460
2014-11-27

Contact and separation column and tray

#39
20140251138
2014-09-11

Method for carrying out a mass-transfer process in a column

#40
20140166110
2014-06-19

Distributor in mass transfer column and method of use

#41
20140144768
2014-05-29

Fluid contactor-diffuser tray assembly

#42
20140142342
2014-05-22

Liquid-liquid extraction column containing two distinct types of plates

#43
20130328222
2013-12-12

Low-load distributor

#44
20130153037
2013-06-20

Liquid distributor with a mixer

#45
20130092063
2013-04-18

Column

#46
20120134886
2012-05-31

Turbulent Flow Column

#47
20120103193
2012-05-03

Method of removing liquid contaminant droplets from a gas stream, and wash tray

#48
20120055337
2012-03-08

Gas-liquid contact column and method using a combination of trays and packings

#49
20120024977
2012-02-02

Fluid contactor-diffuser tray assembly

#50
20110308932
2011-12-22

Feed section of a separation column

#51
20110285039
2011-11-24

Downcomer for a gas-liquid contacting device

#52
20110272830
2011-11-10

DOWNCOMERS FOR MASS TRANSFER COLUMN

#53
20110240458
2011-10-06

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

#54
20110239863
2011-10-06

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

#55
20110100224
2011-05-05

COUNTER FLOW CONTACTOR WITH LIQUID CARRY-OVER REDUCTION ASSEMBLY

#56
20100242730
2010-09-30

Contacting stages for co-current contacting apparatuses

#57
20100237518
2010-09-23

Liquid distributor

#58
20100162890
2010-07-01

De-entrainment device

#59
20100013111
2010-01-21

Downcomer for a gas-liquid contacting device

#60
20090256270
2009-10-15

Multiple downcomer tray

#61
20090200690
2009-08-13

Mass Transfer Device

#62
20090200689
2009-08-13

Liquid distribution in a distillation apparatus

#63
20090189301
2009-07-30

Downcomer distributor

#64
20090156865
2009-06-18

Industrial process for production of high-purity diol

#65
20090145738
2009-06-11

Mass Exchange Contact Device

#66
20090134533
2009-05-28

Contact tray for a mass transfer column

#67
20090049864
2009-02-26

Liquid collector and redistributor for packed columns

#68
20090047194
2009-02-19

Inner tray for a chamber

#69
20080271983
2008-11-06

Collector-distributor combination

#70
20080245416
2008-10-09

Device and Method for Distribution of Two Mutually Immiscible Liquids

#71
20080202914
2008-08-28

De-entrainment tray for high capacity operation

#72
20080179766
2008-07-31

Gas-liquid contact apparatus

#73
20080150172
2008-06-26

Tray for a mass exchange column

#74
20080150171
2008-06-26

Gas-liquid contact apparatus

#75
20070272326
2007-11-29

Device in process engineering column

#76
20070227595
2007-10-04

Parent-subsidiary guide float valve

#77
20070163871
2007-07-19

Flow device for an enclosure for processing, particularly hydrocarbons, and corresponding enclosure

#78
20070145612
2007-06-28

Gas-liquid contacting tray

#79
20070145610
2007-06-28

Vapour-liquid distribution tray

#80
20070126134
2007-06-07

Parallel flow fractionation tray

#81
20070069405
2007-03-29

Fluid distributor for a material and heat exchange column, in particular, a packed column and column provided with such a distributor

#82
20070040289
2007-02-22

Tray apparatus, column with same and method of assembling and using

#83
20070023937
2007-02-01

De-entrainment of liquid particles from gas

#84
20060273616
2006-12-07

Parallel flow fractionation tray

#85
20060214317
2006-09-28

Mass exchange column with exchange plates

#86
20060197239
2006-09-07

Configurations and methods for ribbed downcomer wall

#87
20060169573
2006-08-03

Liquid/liquid exchange column

#88
20060163758
2006-07-27

Distribution device for two-phase concurrent downflow vessels

#89
20050275121
2005-12-15

Distillation column tray configuration

#90
20050236724
2005-10-27

De-entrainment of liquid particles from gas

#91
20050218534
2005-10-06

Contact tray having tray supported downcomers

#92
20050163682
2005-07-28

Reactor distribution apparatus and quench zone mixing apparatus

#93
20050077635
2005-04-14

Distribution device

#94
20050046051
2005-03-03

Gas-liquid contacting tray

#95
20050017381
2005-01-27

Wall-flow redistributor for packed columns

#96
20050001341
2005-01-06

Reactor for gas/liquid or gas/liquid/solid reactions

#97
13564881
2014-11-18

Liquid distributor