ClassID:

28465

B01D3/4211 - CPC Classification

Classification description:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping; Regulation; Control of columns

Sub-classes:
Recent Application in this class:
#1
20260069998
2026-03-12

DISTILLATION METHOD

#2
20250381498
2025-12-18

SYSTEM AND METHOD FOR SUBSTANTIALLY HORIZONAL ROTATING REFLUX DISTILLATION APPARATUS

#3
20240316477
2024-09-26

METHOD FOR MONITORING A SYSTEM AND ASSOCIATED COMPUTER PROGRAM PRODUCT

#4
20240299860
2024-09-12

METHOD AND DESIGN OF MULTIPLE COUNTERROTATING UNIT REACTOR

#5
20230416173
2023-12-28

Distillation Process and Apparatus with Pressure Corrected Temperature Heat Source Control

#6
20230271103
2023-08-31

PROCESS CONTROL SYSTEMS WITH SIMULATOR FOR USE WITH A MASS TRANSFER COLUMN

#7
20230125966
2023-04-27

Process and Apparatus for distillation

#8
20230119842
2023-04-20

Method for predicting clogging of distillation column(s) in a refinery, computer program and associated prediction system

#9
20220331710
2022-10-20

Distillation tower management system, distillation tower state analysis method and distillation tower management method

#10
20220168663
2022-06-02

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

#11
20220062785
2022-03-03

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

#12
20210325864
2021-10-21

Monitoring and controlling an operation of a distillation column

#13
20210178283
2021-06-17

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

#14
20210178282
2021-06-17

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

#15
20210016200
2021-01-21

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

#16
20200384381
2020-12-10

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#17
20200356120
2020-11-12

Vapor splitter and method for adjusting vapor split ratio

#18
20200140399
2020-05-07

Diaryl carbonate and method for producing the same, and method for producing an aromatic polycarbonate resin

#19
20200114312
2020-04-16

High length isotopes separation column and method for assembly

#20
20200080447
2020-03-12

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using kalina cycle and modified multi-effect-distillation system

#21
20190321745
2019-10-24

Column for the exchange of material and/OR heat between a gas and a liquid with means for recirculating the liquid

#22
20190209947
2019-07-11

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#23
20190184304
2019-06-20

Method for controlling a rectification column

#24
20190177621
2019-06-13

HYDROCARBON RECYCLING OF CARBONIZER HOT GASES

#25
20190169094
2019-06-06

Apparatus and method for purifying cumene

#26
20190062259
2019-02-28

Method for separating dimethyl carbonate from methanol

#27
20190048751
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using Kalina cycle and modified multi-effect-distillation system

#28
20180290989
2018-10-11

DIARYL CARBONATE AND METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING AN AROMATIC POLYCARBONATE RESIN

#29
20180273446
2018-09-27

Processes and systems for purification of 1,3-butadiene

#30
20180264376
2018-09-20

Method of real-time prognosis of flooding phenomenon in packed column

#31
20180217618
2018-08-02

Vapor splitter and method for adjusting vapor split ratio

#32
20170320796
2017-11-09

Distillation method

#33
20170209806
2017-07-27

Method of adjusting duty of heat exchange in heat integrated distillation column

#34
20170165589
2017-06-15

Device for reducing the alcohol content of wines and other alcoholic beverages

#35
20170121256
2017-05-04

Apparatus and method for purifying cumene

#36
20170113947
2017-04-27

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#37
20160251237
2016-09-01

System, method, and apparatus for water desalination

#38
20160251236
2016-09-01

System, method, and apparatus for water desalination

#39
20160122660
2016-05-05

SYSTEM AND METHOD FOR OPTIMIZING DILUENT RECOVERY BY A DILUENT RECOVERY UNIT

#40
20150367249
2015-12-24

N-methyl-2-pyrrolidone distilling apparatus

#41
20150166362
2015-06-18

Feedback control optimization of counter-flow simultaneous heat and mass exchange

#42
20150159946
2015-06-11

Method and system of modifying a liquid level during start-up operations

#43
20150159944
2015-06-11

Method and device for separating a feed stream using radiation detectors

#44
20150159941
2015-06-11

Method and system for preventing accumulation of solids in a distillation tower

#45
20150068886
2015-03-12

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

#46
20140262729
2014-09-18

HEAT TRANSFER BETWEEN A DISTILLATION COLUMN AND A TEMPERATURE SOURCE

#47
20140076710
2014-03-20

Trihalosilane refining method

#48
20130248348
2013-09-26

Method of optimizing product output rate of packed columns

#49
20130186739
2013-07-25

Optimum net wash oil flow rate in crude vacuum distillation units

#50
20130118890
2013-05-16

Plant for recovering degraded heat transfer oil from a solar thermal facility and method for said recovery

#51
20120241307
2012-09-27

NMP DISTILLING APPARATUS

#52
20120029890
2012-02-02

Apparatus and method of designing or optimizing a column for a separation process

#53
20110224829
2011-09-15

Distillation column control

#54
20110100794
2011-05-05

Method of determining flood points of packed columns

#55
20100000849
2010-01-07

Method Of Prevention Of Ethanol In Rectification Column Bottoms In An Ethanol Plant

#56
20090314623
2009-12-24

Detection of distillation column flooding

#57
20090173615
2009-07-09

Process for separating diisopropylbenzene (DIPB) and triisoproplybenzene (TIPB) from a feed comprising DIPB, TIBP, and polyalkylate heavies

#58
20080127831
2008-06-05

Regeneration of an aqueous solution from an acid gas absorption process by matrix stripping

#59
20070256921
2007-11-08

Process for producing (meth) acrylic acids and process for distilling the same

#60
20070038333
2007-02-15

Model predictive control having application to distillation

#61
20070021633
2007-01-25

Process for producing (meth)acrylic acids and process for distilling the same

#62
20060137967
2006-06-29

Distillation systems

#63
17678360
2023-07-18

Method for operating a rectification column