ClassID:

28435

B01D3/141 - 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 where at least one distillation column contains at least one dividing wall

Recent Application in this class:
#1
20260138941
2026-05-21

METHOD FOR PREPARING ISOPROPYL ALCOHOL

#2
20260117130
2026-04-30

DIVIDING WALL COLUMN FOR EFFICIENT HYDROCARBON SEPARATION

#3
20260098215
2026-04-09

PROCESS TO PREPARE FEED BY USING DIVIDING WALL COLUMN AND/OR CONVENTIONAL COLUMN FOR CATALYTIC CRACKING UNIT TARGETING OLEFIN PRODUCTION

#4
20260084077
2026-03-26

REFINERY APPARATUS

#5
20260048343
2026-02-19

Separation System

#6
20250325955
2025-10-23

ADSORBENT FOR TRIMETHYLBENZENE-BASED COMPOUNDS AND PREPARATION METHOD THEREOF, AND SEPARATION METHOD AND SEPARATION APPARATUS FOR TRIMETHYLBENZENE-BASED COMPOUNDS

#7
20250243142
2025-07-31

PROCESS FOR PRODUCTION OF PROPYLENE OXIDE AND STYRENE MONOMER

#8
20250162965
2025-05-22

METHOD AND PLANT FOR ENERGY EFFICIENTLY PRODUCING N-HEXANE AND ISOMERATE HAVING HIGH OCTANE NUMBER

#9
20250122134
2025-04-17

SEPARATION METHOD FOR A MIXTURE COMPRISING A SOLVENT AND C4 OR HIGHER LINEAR ALPHA OLEFINS, AND METHOD AND DEVICE FOR PREPARING ETHYLENE OLIGOMER UTILIZING THE SEPARATION METHOD

#10
20250084013
2025-03-13

USE OF DIVIDED WALL TECHNOLOGY TO PRODUCE HIGH PURITY METHANOL

#11
20240417354
2024-12-19

METHOD OF PREPARING ISOPROPYL ALCOHOL

#12
20240376063
2024-11-14

SIMPLIFIED ETHYLENE OXIDE PURIFICATION METHODS

#13
20240376027
2024-11-14

METHOD FOR PURIFYING A FEEDSTOCK RESULTING FROM A METHOD FOR DEPOLYMERIZING STYRENE COMPOUNDS

#14
20240299859
2024-09-12

Multi-component mixture separation system

#15
20240270667
2024-08-15

SEPARATION PROCESS FOR THE PRODUCTION OF C5 OR C6 ALKANEDIOL

#16
20240166957
2024-05-23

SYSTEMS AND PROCESSES FOR PRODUCING ETHYLENE FROM NAPHTHA AND BUTANES

#17
20240165534
2024-05-23

DEHYDROGENATION AND PYROLYSIS PRODUCT RECOVERY WITH A COMMON DEPROPANIZER

#18
20240084203
2024-03-14

Heat Recovery Apparatus for Cracked Gas and Heat Recovery Process for Cracked Gas

#19
20230365489
2023-11-16

PROCESS FOR THE PURIFICATION OF PHENYLENEDIAMINES

#20
20230365480
2023-11-16

PROCESS AND APPARATUS FOR PREPARING PURIFIED STYRENE COMPOSITION USING DIVIDED-WALL COLUMN AND CRYSTALLIZATION UNIT

#21
20230303467
2023-09-28

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

#22
20230201740
2023-06-29

HEAT INTEGRATION VIA HEAT PUMP ON A BOTTOM DIVIDING WALL COLUMN

#23
20230133823
2023-05-04

Process for the controlled oligomerization of butenes

#24
20230127377
2023-04-27

Dividing wall column in alkylation process for reactor recycle and product separation

#25
20230105091
2023-04-06

Apparatus for a dividing wall column in an isomerization unit

#26
20230001324
2023-01-05

Place and cost efficient plant and process for separating one or more purified hydrocarbon streams from crude hydrocarbon streams, such as for naphtha stabilization and LPG recovery

#27
20220401851
2022-12-22

Dividing wall column separator with intensified separations

#28
20220227688
2022-07-21

Hexane as a by-product of isomerization unit using a dividing wall column

#29
20220168663
2022-06-02

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

#30
20220153658
2022-05-19

Integration of a steam cracker with acid alkylation

#31
20220134252
2022-05-05

ENCLOSED PARTITION DIVIDING WALL DISTILLATION COLUMN AND USES THEREOF

#32
20220088502
2022-03-24

Dividing wall distillation column and method for refining vinylidene dichloride by using same

#33
20220072446
2022-03-10

Apparatus and method for heat treating a feedstock comprising a lipid material

#34
20220064078
2022-03-03

Use of divided wall technology to produce high purity methanol

#35
20220062785
2022-03-03

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

#36
20220062784
2022-03-03

System and method for fluid distillation

#37
20220047964
2022-02-17

Dividing wall debutanizer column, system and method of operation

#38
20220040594
2022-02-10

HEAT INTEGRATED SEPARATION SYSTEM WITH ACTIVE VAPOR CONTROL

#39
20220033327
2022-02-03

Process for the separation of linear alpha-olefins using a dividing wall column

#40
20220002215
2022-01-06

Methods for limiting water in recycled solvent during linear alpha olefin syntheses

#41
20210403398
2021-12-30

Process for the controlled oligomerization of butenes

#42
20210261872
2021-08-26

TWO-STEP HYDROCRACKING METHOD USING A PARTITIONED DISTILLATION COLUMN

#43
20210238137
2021-08-05

Method and apparatus for recovering amide-based compound

#44
20210206704
2021-07-08

OXYGENATE REMOVAL FOR PARA-XYLENE PURIFICATION VIA ADSORPTION SEPARATION

#45
20210189257
2021-06-24

PROCESS TO PREPARE FEED BY USING DIVIDING WALL COLUMN AND/OR CONVENTIONAL COLUMN FOR CATALYTIC CRACKING UNIT TARGETING OLEFIN PRODUCTION

#46
20210188737
2021-06-24

Dividing wall column in alkylation process for reactor recycle and product separation

#47
20210178283
2021-06-17

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

#48
20210178282
2021-06-17

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

#49
20210130264
2021-05-06

Method and system for obtaining one or more olefins

#50
20210009486
2021-01-14

Linear Alpha Olefin Processes

#51
20200407310
2020-12-31

PROCESS FOR PURIFYING HEXAMETHYLENEDIAMINE

#52
20200377447
2020-12-03

Toluene diisocyanate purification method

#53
20200356120
2020-11-12

Vapor splitter and method for adjusting vapor split ratio

#54
20200339501
2020-10-29

Process for preparing an aromatic polyamine mixture

#55
20200339490
2020-10-29

Method for obtaining pure 1,3-butadiene

#56
20200318015
2020-10-08

Process for LPG recovery

#57
20200256616
2020-08-13

Annular divided wall column

#58
20200254360
2020-08-13

Dividing wall distillation column and method for refining vinylidene dichloride by using same

#59
20200223771
2020-07-16

Use of top dividing wall in isomerization unit

#60
20200172818
2020-06-04

High conversion hydrocracking process

#61
20200149810
2020-05-14

Annular divided wall column with ring shaped collectors and distributers

#62
20200149809
2020-05-14

Annular divided wall column

#63
20200115311
2020-04-16

Process for purifying (meth)acrylic acid including a dividing-wall distillation column

#64
20200101397
2020-04-02

Heat integrated separation system with active vapor control

#65
20200095194
2020-03-26

Process for preparing an isocyanate

#66
20200095185
2020-03-26

Process for isolating pure butyl acrylate from crude butyl acrylate by distillation, where butyl is n-butyl or isobutyl

#67
20200094160
2020-03-26

Process for isolating pure 2-ethylhexyl acrylate or pure 2-propylheptyl acrylate from the corresponding crude alkyl acrylate by distillation

#68
20200087229
2020-03-19

Advanced process control scheme for dividing wall column and dual-dividing wall column with multiple products

#69
20200061488
2020-02-27

FLUID-TREATMENT COLUMN WITH PARTITION

#70
20200030714
2020-01-30

Dividing wall column with vapor separation

#71
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

#72
20190345080
2019-11-14

Method of separating linear alpha olefins

#73
20190337871
2019-11-07

1,3-butadiene separation and recovery method and 1,3-butadiene separation and recovery apparatus

#74
20190330137
2019-10-31

Process for isolating pure tert-butyl (meth)acrylate from crude tert-butyl (meth)acrylate by distillation

#75
20190329151
2019-10-31

Network of dividing-wall columns in complex processing units

#76
20190299121
2019-10-03

Folded fractionation column and process

#77
20190299118
2019-10-03

Folded fractionation column and process

#78
20190299116
2019-10-03

Process and apparatus for controlling the split of liquid reflux in a divided wall column

#79
20190282920
2019-09-19

Purification of mercaptans or thiophenes using dividing wall column distillation

#80
20190247766
2019-08-15

Thermally integrated distillation systems and processes using the same

#81
20190233378
2019-08-01

Method for the purification of ethoxyquin

#82
20190209944
2019-07-11

Purification of chlorosilanes by means of distillation and adsorption

#83
20190161420
2019-05-30

Systems and methods for aromatic alkylation

#84
20190091600
2019-03-28

Dual-dividing wall column with multiple products

#85
20190083898
2019-03-21

Use of top dividing wall in isomerization unit

#86
20190063831
2019-02-28

Annular divided wall column with ring shaped collectors and distributers for an air separation unit

#87
20190063830
2019-02-28

Annular divided wall column for an air separation unit having a ring shaped support grid

#88
20190063829
2019-02-28

Annular divided wall column for an air separation unit

#89
20190063828
2019-02-28

Annular divided wall column for an air separation unit

#90
20190016665
2019-01-17

Method for purifying (meth)acrylic esters

#91
20180370875
2018-12-27

Methods and systems for producing 1,3-butadiene

#92
20180318728
2018-11-08

Distillation column and use thereof for cleaning isocyanates

#93
20180311617
2018-11-01

Device for producing water having reduced heavy molecule content

#94
20180297930
2018-10-18

Process for purification of methyl methacrylate

#95
20180282245
2018-10-04

Energy efficient methods for isomerization of a C5-C7 fraction with dividing wall fractional distillation

#96
20180243664
2018-08-30

Column with at least one partition

#97
20180236371
2018-08-23

COLUMN WITH CYLINDRICAL PARTITION

#98
20180217618
2018-08-02

Vapor splitter and method for adjusting vapor split ratio

#99
20180216011
2018-08-02

Process for LPG recovery

#100
20180185766
2018-07-05

Process for recovering heat from a hydrocarbon separation

#101
20180179134
2018-06-28

Process for producing diisopropyl ether from high purity propylene

#102
20180179133
2018-06-28

Process for producing diisopropyl ether from high purity propylene

#103
20180178141
2018-06-28

Distillation method

#104
20180169542
2018-06-21

Distillation device

#105
20180154278
2018-06-07

Distillation device

#106
20180104617
2018-04-19

SEMICONTINUOUS DIVIDED WALL DISTILLATION

#107
20180093932
2018-04-05

Processes and apparatuses for production of aromatic products

#108
20180065061
2018-03-08

Thermally integrated distillation systems and processes using the same

#109
20180016207
2018-01-18

Treatment of aromatic alkylation feedstock

#110
20170349512
2017-12-07

Apparatus for preparing glycol and method of preparing the same

#111
20170349508
2017-12-07

Liquid phase isomerization process integration

#112
20170342015
2017-11-30

Process for continuously preparing di-C-alkyl succinates

#113
20170340985
2017-11-30

GAS DISTRIBUTION STRUCTURE FOR DISTILLATION COLUMN AND CONTROL METHOD THEREOF

#114
20170296942
2017-10-19

Purification of chlorosilanes by means of distillation and adsorption

#115
20170239589
2017-08-24

Divided wall columns

#116
20170226538
2017-08-10

Product management in biological conversion processes

#117
20170225100
2017-08-10

DISTILLATION DEVICE

#118
20170225098
2017-08-10

Low pressure separator having an internal divider and uses therefor

#119
20170204026
2017-07-20

Flexible butadiene extraction process

#120
20170107167
2017-04-20

Method for purification of benzoic acid

#121
20170050899
2017-02-23

Process and apparatus for the production of para-xylene

#122
20170044081
2017-02-16

Apparatus and method for purifying cumene

#123
20170029348
2017-02-02

Process and apparatus for recovering aromatic hydrocarbons

#124
20170007942
2017-01-12

COUNTER CURRENT LIQUID GAS EVAPORATION AND CONDENSATION APPARATUS WITH FRAGMENTATION PLATES

#125
20160368845
2016-12-22

Dividing wall in ethanol production process

#126
20160347689
2016-12-01

PROCESSES AND APPARATUSES FOR SEPARATING STREAMS TO PROVIDE A TRANSALKYLATION FEED STREAM IN AN AROMATICS COMPLEX

#127
20160346711
2016-12-01

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

#128
20160263492
2016-09-15

Divided-wall column

#129
20160244387
2016-08-25

Method for the preparation of 1,4-butane diol having an APHA color index of less than 30

#130
20160207858
2016-07-21

Method for purifying isopropyl alcohol

#131
20160193541
2016-07-07

Distillation apparatus

#132
20160193540
2016-07-07

Divided wall distillation column

#133
20160166947
2016-06-16

Method and device for distillative separation of a three- or multi-component mixture

#134
20160158667
2016-06-09

Distillation device

#135
20160115408
2016-04-28

Apparatus for sweetening and/or dehydrating a hydrocarbon gas, in particular a natural gas

#136
20160083328
2016-03-24

Process for continuously preparing di-C-alkyl succinates

#137
20160074770
2016-03-17

Method and apparatus for the separation by distillation of a three- or multi-component mixture

#138
20160068399
2016-03-10

Methods for separating halosilanes

#139
20160060188
2016-03-03

Process of producing para-xylene by alkylation of benzene and/or toluene including treatment of an alkylating agent to remove metal salts

#140
20160039732
2016-02-11

Method for the purification of natural vanillin

#141
20150306517
2015-10-29

Device for preparing alkanol

#142
20150299075
2015-10-22

Device for preparing n-butanol

#143
20150263367
2015-09-17

Filter apparatus

#144
20150211790
2015-07-30

Method of carrying out absorption/distillation in a single column design

#145
20150174506
2015-06-25

Trihalosilane refining device having divided wall distillation column

#146
20150166455
2015-06-18

Extraction column and process for extracting a constituent from a fluid

#147
20150166445
2015-06-18

DEHYDRATION OF DILUTIONS OF COMPOUNDS FORMING AN AZEOTROPE WITH WATER

#148
20150153746
2015-06-04

Liquid distribution device

#149
20150122630
2015-05-07

Liquid dispensing device

#150
20150119612
2015-04-30

Multicomponent dividing wall columns

#151
20150083578
2015-03-26

Method and apparatus for preparing isopropyl alcohol

#152
20150052941
2015-02-26

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

#153
20150051423
2015-02-19

Process for the recovery of acetic acid

#154
20150041308
2015-02-12

Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method

#155
20150041307
2015-02-12

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

#156
20150038755
2015-02-05

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

#157
20140371488
2014-12-18

Divided wall distillation column for producing high purity acrylic acid and fractional distillation method using the same

#158
20140353216
2014-12-04

Separation of hydrocarbon families or of individual components by consecutive extractive distillations performed in a single column

#159
20140262941
2014-09-18

Two stage hydrocracking process and apparatus for multiple grade lube oil base feedstock production

#160
20140256985
2014-09-11

Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate

#161
20140249341
2014-09-04

Combined xylene isomerization and transalkylation process unit

#162
20140248193
2014-09-04

Combined xylene isomerization and transalkylation process unit

#163
20140231238
2014-08-21

Separation processes using divided columns

#164
20140183032
2014-07-03

PROCESS FOR THE TREATMENT OF A RECYCLING STREAM FROM A PLANT FOR THE PRODUCTION OF POLYARYLENE ETHER

#165
20140171715
2014-06-19

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

#166
20140166470
2014-06-19

Workup of a cyclododecanone cyclododecanol mixture in a dividing wall column

#167
20140158515
2014-06-12

CONTINUOUS PROCESS FOR PREPARING MENTHOL IN PURE OR ENRICHED FORM

#168
20140138237
2014-05-22

Dual-mode dividing wall column

#169
20140100405
2014-04-10

Flexible butadiene extraction process

#170
20140090971
2014-04-03

Method for manufacturing isopropyl alcohol

#171
20140076711
2014-03-20

Trihalosilane refining method

#172
20140076710
2014-03-20

Trihalosilane refining method

#173
20140076709
2014-03-20

Trihalosilane refining method

#174
20140011975
2014-01-09

Cleaning device for separating dilactide from mixtures, polymerisation device, method for separating dilactide from mixtures and use thereof

#175
20140005458
2014-01-02

Method and apparatus for sweetening and/or dehydrating a hydrocarbon gas, in particular a natural gas

#176
20130334029
2013-12-19

Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same

#177
20130292243
2013-11-07

Dividing wall column for producing high-purity neopentyl glycol and manufacturing method using same

#178
20130284586
2013-10-31

Dividing wall column for preparing high-purity 2 ethylhexyl-acrylate and preparation method using same

#179
20130267751
2013-10-10

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

#180
20130213792
2013-08-22

Heat integrated distillation apparatus

#181
20130213088
2013-08-22

Systems and methods for separating hydrocarbons using one or more dividing wall columns

#182
20130189164
2013-07-25

Process For Downstream Recovery Of Nitroalkane Using Dividing Wall Column

#183
20130165715
2013-06-27

Combined xylene isomerization and transalkylation process unit

#184
20130158330
2013-06-20

Process and apparatus for -xylene production using multiple adsorptive separation units and a split fractionating column

#185
20130118892
2013-05-16

Isolation of acrylic acid by means of a distillation column having a side offtake

#186
20130112594
2013-05-09

Production of low cloud point distillates

#187
20130068609
2013-03-21

Dividing Wall Column for Alpha-Methylstyrene and Cumene Distillation

#188
20130019530
2013-01-24

Method and an apparatus for sweetening and dehydrating a hydrocarbon gas, in particular a natural gas

#189
20120301800
2012-11-29

Filter apparatus

#190
20120298560
2012-11-29

Process for providing one or more streams

#191
20120267233
2012-10-25

Energy-saving distillation column assembly

#192
20120245385
2012-09-27

Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate

#193
20120149957
2012-06-14

APPARATUS AND PROCESS FOR OLIGOMERIZING ONE OR MORE HYDROCARBONS

#194
20120145594
2012-06-14

Process for removing heavy polynuclear aromatic compounds from a hydroprocessed stream

#195
20120141333
2012-06-07

APPARATUS FOR RECOVERING CATALYTIC PRODUCT

#196
20120103013
2012-05-03

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

#197
20120085682
2012-04-12

Process and system for heating or cooling streams for a divided distillation column

#198
20120083626
2012-04-05

Process for preparing an aromatic amine and apparatus therefor

#199
20120080288
2012-04-05

Two-stage hydroprocessing apparatus with common fractionation

#200
20120067776
2012-03-22

Process for the recovery of pure aromatics from hydrocarbon fractions containing aromatics

#201
20120006673
2012-01-12

Dividing wall distillation column for producing high purity acrylic acid and fractional distillation method using the same

#202
20120004478
2012-01-05

Two stage hydroprocessing with divided wall column fractionator

#203
20120004473
2012-01-05

Dividing wall distillation columns for production of high-purity 2-ethylhexanol and fractionation method using same

#204
20110309535
2011-12-22

Packed column

#205
20110308930
2011-12-22

Dividing wall distillation column

#206
20110303526
2011-12-15

Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method

#207
20110290634
2011-12-01

Method for fabricating divided wall columns

#208
20110259793
2011-10-27

Low pressure production of low cloud point diesel

#209
20110257445
2011-10-20

Process for separating chlorinated methanes

#210
20110210457
2011-09-01

Contactor

#211
20110201862
2011-08-18

Processes using dividing wall distillation column

#212
20110178328
2011-07-21

Apparatus, systems, and methods for purification of isocyanate mixtures

#213
20110172458
2011-07-14

Apparatus, Systems, and Methods for Purification of Isocyanate Mixtures

#214
20110139604
2011-06-16

Dividing wall column for fractionation of a multicomponent mixture

#215
20110132803
2011-06-09

Two stage hydroprocessing with divided wall column fractionator

#216
20110092749
2011-04-21

Process for downstream recovery of nitroalkane using dividing wall column

#217
20100303691
2010-12-02

Dividing wall fractionation in integrated oxygenate conversion and product cracking

#218
20100249450
2010-09-30

Process for producing polyisocyanate

#219
20100249364
2010-09-30

Cleaning device for separating dilactide from mixtures, polymerisation device, method for separating dilactide from mixtures and use thereof

#220
20100224536
2010-09-09

Process and system for heating or cooling streams for a divided distillation column

#221
20100224475
2010-09-09

Zone or system for providing one or more streams

#222
20100206712
2010-08-19

Continuous process for preparing menthol in pure or enriched form

#223
20100193348
2010-08-05

Continuous process for preparing neral in pure or enriched form

#224
20100168347
2010-07-01

Processes using dividing wall distillation column

#225
20100113805
2010-05-06

Process for obtaining maleic anhydride by distillation

#226
20100108487
2010-05-06

Dividing wall column with a heat pump

#227
20100096249
2010-04-22

Divided wall columns for smaller sized plants

#228
20100018896
2010-01-28

Process for flexible vacuum gas oil conversion using divided wall fractionation

#229
20090288939
2009-11-26

Distillation Apparatus

#230
20090266107
2009-10-29

Integrated controlled freeze zone (CFZ) tower and dividing wall (DWC) for enhanced hydrocarbon recovery

#231
20090166255
2009-07-02

Olefin production utilizing whole crude oil/condensate feedstock with a partitioned vaporization unit

#232
20090139852
2009-06-04

Separation Method And Apparatus

#233
20090137832
2009-05-28

Processes for purifying diaryl carbonates

#234
20080289946
2008-11-27

Apparatus for producing ethylbenzene or cumene

#235
20080251127
2008-10-16

Reflux divider for a column having portions for the transfer of material arranged in parallel

#236
20080161618
2008-07-03

Apparatuses and methods for separating butene-1 from a mixed C feed

#237
20080119675
2008-05-22

Process and apparatus for treating a feed comprising butadiene

#238
20080088042
2008-04-17

Divided wall exchange column

#239
20080073199
2008-03-27

Divided wall exchange column

#240
20070293688
2007-12-20

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Method of Distilling Product Mixtures

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Method for the purification of isocyanates

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Radial-crossflow distillation trays for divided wall column applications

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Method for the continuous production of propylene glycol

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Method for the purification of isocyanates

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Obtaining an aliphatic dialdehyde Monoacetal

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Method for the continuous production of propylene glycol

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Method for extracting argon by low-temperature air separation

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Method for the continuous purification by distillation of the solvent methanol, used in the synthesis of propylene oxide

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Method for the continuous purification by distillation of methanol, used as a solvent in the synthesis of propylene oxide without coupling products, with the simultaneous isolation of the methoxy propanols

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Method for the continuous purification by distillation of 1,2-propylene glycol that accumulates during the synthesis of propylene oxide without coupling products

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Method for the continuous intermediate separation of the solvent used in the oxirane synthesis with no coupling product

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Method for continuously operated pure distillation of oxiranes, especially propylene oxide

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Method and device for extractive distillation

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Systems and processes for producing ethylene from naphtha and butanes

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Methods for separating components

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Process for separation of propylene from a liquefied petroleum gas stream

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