ATE279248T1 - Ionische flüssigkeiten als selektive zusatzstoffe für die trennung engsiedender oder azeotroper gemische - Google Patents

Ionische flüssigkeiten als selektive zusatzstoffe für die trennung engsiedender oder azeotroper gemische

Info

Publication number
ATE279248T1
ATE279248T1 AT02732483T AT02732483T ATE279248T1 AT E279248 T1 ATE279248 T1 AT E279248T1 AT 02732483 T AT02732483 T AT 02732483T AT 02732483 T AT02732483 T AT 02732483T AT E279248 T1 ATE279248 T1 AT E279248T1
Authority
AT
Austria
Prior art keywords
ionic liquids
separation
high boiling
azeotropic mixtures
selective additives
Prior art date
Application number
AT02732483T
Other languages
German (de)
English (en)
Inventor
Wolfgang Arlt
Matthias Seiler
Carsten Jork
Thomas Schneider
Original Assignee
Basf Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26008899&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE279248(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE2001136614 external-priority patent/DE10136614A1/de
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of ATE279248T1 publication Critical patent/ATE279248T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40—Extractive distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/36—Azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Furan Compounds (AREA)
AT02732483T 2001-03-20 2002-03-14 Ionische flüssigkeiten als selektive zusatzstoffe für die trennung engsiedender oder azeotroper gemische ATE279248T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10114734 2001-03-20
DE2001136614 DE10136614A1 (de) 2001-07-17 2001-07-17 Ionische Flüssigkeiten als selektive Zusatzstoffe für die Trennung engsiedender oder azeotroper Gemische
PCT/EP2002/002824 WO2002074718A2 (de) 2001-03-20 2002-03-14 Ionische flüssigkeiten als selektive zusatzstoffe für die trennung engsiedender oder azeotroper gemische

Publications (1)

Publication Number Publication Date
ATE279248T1 true ATE279248T1 (de) 2004-10-15

Family

ID=26008899

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02732483T ATE279248T1 (de) 2001-03-20 2002-03-14 Ionische flüssigkeiten als selektive zusatzstoffe für die trennung engsiedender oder azeotroper gemische

Country Status (15)

Country Link
US (1) US7435318B2 (enExample)
EP (1) EP1372807B1 (enExample)
JP (1) JP4884643B2 (enExample)
KR (1) KR100846957B1 (enExample)
CN (1) CN1274382C (enExample)
AT (1) ATE279248T1 (enExample)
AU (1) AU2002304855A1 (enExample)
BR (1) BR0208176B1 (enExample)
CA (1) CA2440528C (enExample)
DE (1) DE50201299D1 (enExample)
ES (1) ES2231699T3 (enExample)
MX (1) MXPA03007633A (enExample)
MY (1) MY129197A (enExample)
TW (1) TWI248828B (enExample)
WO (1) WO2002074718A2 (enExample)

Families Citing this family (123)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040077519A1 (en) * 2002-06-28 2004-04-22 The Procter & Gamble Co. Ionic liquid based products and method of using the same
DE10313207A1 (de) 2003-03-25 2004-10-07 Basf Ag Reinigung oder Aufarbeitung von Ionischen Flüssigkeiten mit adsorptiven Trennverfahren
DE10314203B4 (de) * 2003-03-28 2005-10-06 Stockhausen Gmbh Verfahren zur Abtrennung von (Meth)Acrylsäure aus einer (Meth)Acrylsäure-haltigen Zusammensetzung
DE10316418A1 (de) * 2003-04-10 2004-10-21 Basf Ag Verwendung einer ionischen Flüssigkeit
DE10336555A1 (de) 2003-08-05 2005-02-24 Basf Ag Recycling von lonischen Flüssigkeiten bei der Extraktiv-Destillation
DE10336556A1 (de) * 2003-08-05 2005-03-10 Basf Ag Destillatives Verfahren zur Trennung von engsiedenden oder azeotropen Gemischen unter Verwendung von ionischen Flüssigkeiten
CN100418602C (zh) * 2003-12-01 2008-09-17 中国科学院生态环境研究中心 一次性固相微萃取离子液体涂层的制备
DE102004003958A1 (de) 2004-01-26 2005-08-11 Basf Ag Herstellungsmethode für ionische Flüssigkeiten
FR2866346B1 (fr) * 2004-02-13 2006-04-14 Inst Francais Du Petrole Procede d'extraction d'un anti-hydrates contenu dans des hydrocarbures condenses
FR2866345B1 (fr) * 2004-02-13 2006-04-14 Inst Francais Du Petrole Procede de traitement d'un gaz naturel avec extraction du solvant contenu dans le gaz naturel purifie
DE102004024967A1 (de) * 2004-05-21 2005-12-08 Basf Ag Neue Absorptionsmedien für Absorptionswärmepumpen, Absorptionskältemaschinen und Wärmetransformatoren
EP1652814A1 (de) 2004-10-27 2006-05-03 Solvay Fluor GmbH Verfahren zur Gastrennung
US7776810B2 (en) * 2004-11-01 2010-08-17 The Procter & Gamble Company Compositions containing ionic liquid actives
US20060090271A1 (en) * 2004-11-01 2006-05-04 Price Kenneth N Processes for modifying textiles using ionic liquids
US20060090777A1 (en) * 2004-11-01 2006-05-04 Hecht Stacie E Multiphase cleaning compositions having ionic liquid phase
US20060094621A1 (en) * 2004-11-01 2006-05-04 Jordan Glenn T Iv Process for improving processability of a concentrate and compositions made by the same
US7939485B2 (en) * 2004-11-01 2011-05-10 The Procter & Gamble Company Benefit agent delivery system comprising ionic liquid
US20060094616A1 (en) * 2004-11-01 2006-05-04 Hecht Stacie E Ionic liquids derived from surfactants
US7737102B2 (en) * 2004-11-01 2010-06-15 The Procter & Gamble Company Ionic liquids derived from functionalized anionic surfactants
DE102004053662A1 (de) 2004-11-03 2006-05-04 Basf Ag Verfahren zur Herstellung von Polyisocyanaten
DE102004056672A1 (de) * 2004-11-24 2006-06-01 Basf Ag Verfahren zur chemischen Umsetzung und Auftrennung eines Gemisches in einer Kolonne
US8715521B2 (en) * 2005-02-04 2014-05-06 E I Du Pont De Nemours And Company Absorption cycle utilizing ionic liquid as working fluid
US7786065B2 (en) * 2005-02-18 2010-08-31 The Procter & Gamble Company Ionic liquids derived from peracid anions
DE102005013030A1 (de) * 2005-03-22 2006-09-28 Bayer Technology Services Gmbh Verfahren zur destillativen Reinigung schwerflüchtiger Fluide
DE102005028451B4 (de) 2005-06-17 2017-02-16 Evonik Degussa Gmbh Verfahren zum Transport von Wärme
AR058054A1 (es) * 2005-09-22 2008-01-23 Du Pont Utilizacion de liquidos ionicos para la separacion de hidrofluorocarburos
US8506839B2 (en) * 2005-12-14 2013-08-13 E I Du Pont De Nemours And Company Absorption cycle utilizing ionic liquids and water as working fluids
TW200808656A (en) * 2006-04-27 2008-02-16 Solvay Fluor Gmbh Reversible water-free process for the separation of acid-containing gas mixtures
TW200808649A (en) * 2006-05-31 2008-02-16 Du Pont Process for purifying perfluorinated products
JP5371747B2 (ja) * 2006-05-31 2013-12-18 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー イオン性液体を圧縮器潤滑剤として用いる蒸気圧縮
CN101505844B (zh) * 2006-08-18 2012-07-11 因温斯特技术公司 萃取方法
US8313558B2 (en) * 2006-11-08 2012-11-20 E I Du Pont De Nemours And Company Process for separation of tetrafluoroethylene from carbon dioxide using ionic liquids
DE102007002536A1 (de) 2007-01-17 2008-07-24 Wacker Chemie Ag Chlorsilandestillation in Gegenwart ionischer Flüssigkeit
CN101020625B (zh) * 2007-03-12 2010-05-19 中国科学院过程工程研究所 一种用离子液体吸收甲基丙烯醛的方法
CN101265152B (zh) * 2007-03-16 2013-06-05 中国石油大学(北京) 一种离子液体作为萃取精馏分离苯和环己烷的溶剂的应用
WO2008124087A1 (en) * 2007-04-03 2008-10-16 E. I. Du Pont De Nemours And Company Heat transfer systems using mixtures of polyols and ionic liquids
US8075777B2 (en) 2007-05-16 2011-12-13 E. I. Du Pont De Nemours And Company Process for the separation of diastereomers
US7964760B2 (en) * 2007-05-25 2011-06-21 E.I. Du Pont De Nemours And Company Process for the separation of fluorocarbons using ionic liquids
EP2088389B1 (de) * 2008-02-05 2017-05-10 Evonik Degussa GmbH Absorptionskältemaschine
EP2087930A1 (de) 2008-02-05 2009-08-12 Evonik Degussa GmbH Verfahren zur Absorption eines flüchtigen Stoffes in einem flüssigen Absorptionsmittel
WO2009101032A1 (de) 2008-02-11 2009-08-20 Basf Se Verfahren zur herstellung von polyamiden
WO2010040191A2 (en) * 2008-04-24 2010-04-15 The Academician Y.H. Mamedaliyev Institute Of Petrochemical Processes Method of selective purification of alkyl-tert-alkyl ethers by ionic liquid
RU2492161C2 (ru) * 2008-05-26 2013-09-10 Мерк Патент Гмбх Применение ионных жидкостей с анионами тетрацианобората в качестве растворителя для экстракции спиртов из водных растворов
DE102009049696A1 (de) 2008-10-16 2010-04-22 Basf Se Verbindung mit einer Salzgruppe und einer p-Halbleitergruppe und deren Verwendung in Solarzellen
CN101417913B (zh) * 2008-11-19 2013-01-16 烟台大学 一种用多元混合溶剂分离丁烷与丁烯的方法
US8138354B2 (en) * 2008-12-04 2012-03-20 E. I. Du Pont De Nemours And Company N-substituted pyrrolidonium ionic liquids
US20100139154A1 (en) * 2008-12-04 2010-06-10 E.I. Du Pont De Nemours And Company Process for fermentive preparation of alcohols and recovery of product
US20100143995A1 (en) * 2008-12-04 2010-06-10 E. I. Du Pont De Nemours And Company Process for Fermentive Preparation of Alcohols and Recovery of Product
WO2010065873A2 (en) 2008-12-04 2010-06-10 E. I. Du Pont De Nemours And Company Carbon dioxide removal and ionic liquid compounds useful therein
US8735603B2 (en) 2008-12-04 2014-05-27 E I Du Pont De Nemours And Company N-substituted pyrrolidonium ionic liquids with expanded linker
US8119818B2 (en) * 2008-12-04 2012-02-21 E. I. Du Pont De Nemours And Company Functionalized N-substituted pyrrolidonium ionic liquids
US20100143994A1 (en) * 2008-12-04 2010-06-10 E. I. Du Pont De Memours And Company Process for fermentive preparation of alcohols and recovery of product
US20100143999A1 (en) * 2008-12-04 2010-06-10 E.I. Du Pont De Nemours And Company Process for fermentive preparation of alcohols and recovery of product
US20100143992A1 (en) * 2008-12-04 2010-06-10 E. I Du Pont De Nemours And Company Process for Fermentive Preparation of Alcohols and Recovery of Product
US20100144000A1 (en) * 2008-12-04 2010-06-10 E. I. Du Pont De Nemours And Company Process for fermentive preparation fo alcohols and recovery of product
US20100140166A1 (en) * 2008-12-04 2010-06-10 E.I. Du Pont De Nemours And Company Process for fermentive preparation of alcohols and recovery of product
US20100143993A1 (en) * 2008-12-04 2010-06-10 E.I. Du Pont De Nemours And Company Process for fermentive preparationfor alcolhols and recovery of product
US8350056B2 (en) * 2008-12-04 2013-01-08 E I Du Pont De Nemours And Company Functionalized N-substituted pyrrolidonium ionic liquids
DE102009000543A1 (de) 2009-02-02 2010-08-12 Evonik Degussa Gmbh Verfahren, Absorptionsmedien und Vorrichtung zur Absorption von CO2 aus Gasmischungen
US20100261945A1 (en) * 2009-04-08 2010-10-14 Samsung Engineering Co., Ltd. Method of separating aromatic compound from mixture containing aromatic compound and aliphatic compound
EP2243530A1 (de) * 2009-04-21 2010-10-27 LANXESS Deutschland GmbH Verfahren zur Trennung aromatischer Verbindungen
US8790542B2 (en) * 2009-09-30 2014-07-29 Sandia Corporation Compositions and methods useful for ionic liquid treatment of biomass
DE102009047564A1 (de) 2009-12-07 2011-06-09 Evonik Degussa Gmbh Arbeitsmedium für eine Absorptionskältemaschine
US8946442B2 (en) 2009-12-21 2015-02-03 E I Du Pont De Nemours And Company Foamed ionic compounds
CN102108085A (zh) * 2009-12-24 2011-06-29 瓦克化学股份公司 一种在离子液体中制备官能化硅烷的方法
US9067953B2 (en) * 2010-03-12 2015-06-30 E I Du Pont De Nemours And Company Systems for carbon dioxide and sulfur dioxide removal
US20110223085A1 (en) * 2010-03-12 2011-09-15 E. I. Du Pont De Nemours And Company Carbon dioxide capture with ionic liquid electrospray
US9017455B2 (en) 2010-06-03 2015-04-28 E I Du Pont De Nemours And Company Sulfur compounds for carbon dioxide and sulfur dioxide removal
KR101330074B1 (ko) * 2010-10-04 2013-11-18 코오롱인더스트리 주식회사 이온성 액체, 이의 제조 방법 및 이를 이용하여 아세틸렌계 화합물을 제거하는 방법
DE102011077377A1 (de) 2010-11-12 2012-05-16 Evonik Degussa Gmbh Verfahren zur Absorption von sauren Gasen aus Gasmischungen
CN102190557B (zh) * 2011-03-25 2014-01-01 吉林大学 用于丙酮甲醇共沸物分离的复合萃取剂及其使用方法
WO2012130803A1 (de) 2011-03-31 2012-10-04 Bayer Technology Services Gmbh Verfahren zur abtrennung von halogenen aus stoffgemischen
CN102850170B (zh) * 2011-06-29 2015-12-16 中国石油化工股份有限公司 一种基于离子液体的碳五分离用混合溶剂
US8906135B1 (en) * 2011-09-01 2014-12-09 U.S. Department Of Energy Method of purifying a gas stream using 1,2,3-triazolium ionic liquids
WO2013072147A1 (de) 2011-11-14 2013-05-23 Evonik Degussa Gmbh Verfahren und vorrichtung zur abtrennung von sauren gasen aus einer gasmischung
DE102011121012A1 (de) 2011-12-13 2013-06-13 Linde Aktiengesellschaft Verfahren zur Kohlenwasserstoffabtrennung
WO2013098056A1 (en) 2011-12-28 2013-07-04 Lanxess Deutschland Gmbh Purification of optionally hydrogenated nitrile rubber
JP5888993B2 (ja) * 2012-01-12 2016-03-22 ランクセス・ドイチュランド・ゲーエムベーハー メントール化合物異性体の分離
DE102012200907A1 (de) 2012-01-23 2013-07-25 Evonik Industries Ag Verfahren und Absorptionsmedium zur Absorption von CO2 aus einer Gasmischung
DE102012207509A1 (de) 2012-05-07 2013-11-07 Evonik Degussa Gmbh Verfahren zur Absorption von CO2 aus einer Gasmischung
US9574982B2 (en) * 2012-10-25 2017-02-21 Carrier Corporation Method of measuring concentrations of gas mixtures
CN103073388B (zh) * 2013-01-28 2015-07-08 北京化工大学 一种离子液体萃取精馏分离乙醇和水的方法
CN103193577B (zh) * 2013-03-25 2014-12-10 烟台大学 一种用三元混合溶剂萃取精馏分离丁烷与丁烯的方法
CN103274568B (zh) * 2013-05-30 2014-08-20 湖南百利工程科技股份有限公司 一种采用萃取法处理环己酮氨肟化装置中含酮废水的方法
CN103274931A (zh) * 2013-06-05 2013-09-04 中国石油大学(华东) 一种用于分离羧酸混合物萃取精馏的溶剂
CN103467246A (zh) * 2013-08-20 2013-12-25 天津科林泰克科技有限公司 一种分离异丙醇-水混合物的方法
CN103449969A (zh) * 2013-09-05 2013-12-18 天津科林泰克科技有限公司 一种分离甲醇-乙醇-异丙醇-水混合物的方法及生产装置
CN103613485B (zh) * 2013-12-09 2016-02-17 北京化工大学 乙二醇加离子液体萃取精馏分离醇水溶液的方法
CN104761422A (zh) * 2014-01-07 2015-07-08 中国科学院兰州化学物理研究所 一种用于两组分共沸物或近沸点混合物的分离方法
CN104945328B (zh) * 2014-03-26 2018-02-23 中国石油化工股份有限公司 抽提分离柴油馏分中芳烃和烷烃的复合溶剂及应用方法
CN104945327B (zh) * 2014-03-26 2019-02-01 中国石油化工股份有限公司 一种抽提分离柴油馏分中芳烃和烷烃的溶剂及方法
EP3197989A1 (en) 2014-09-25 2017-08-02 The Procter and Gamble Company Ionic liquids
EP3197562A1 (en) 2014-09-25 2017-08-02 The Procter and Gamble Company Fragrance compositions comprising ionic liquids
MA41688A (fr) * 2014-10-16 2017-08-22 Honeywell Int Inc Procédé de séparation de fluorure d'hydrogène de mélanges fluorure d'hydrogène/hydrocarbures halogénés au moyen de liquides ioniques
CN104478712B (zh) * 2014-11-21 2016-03-16 沈阳化工大学 一种两步萃取精馏分离乙酸甲酯-甲醇的方法
WO2016100769A1 (en) 2014-12-19 2016-06-23 Eastman Chemical Company Quaternary phosphinates with co-solvents for extracting c1 to c4 carboxylic acids from aqueous streams
CN107108785B (zh) * 2014-12-22 2019-09-03 Sabic环球技术有限责任公司 由烃的再循环回收烃
CN104628522A (zh) * 2015-01-12 2015-05-20 济南大学 乙醇—甲苯共沸混合物间歇萃取精馏工艺
DE102015212749A1 (de) 2015-07-08 2017-01-12 Evonik Degussa Gmbh Verfahren zur Entfeuchtung von feuchten Gasgemischen
US9611209B1 (en) 2015-12-18 2017-04-04 Eastman Chemical Company Quaternary arylcarboxylate compositions for extracting C1 to C4 carboxylic acids from aqueous streams
KR102650427B1 (ko) 2016-02-23 2024-03-21 반더빌트 케미칼스, 엘엘씨 윤활 첨가제로서 이미다졸륨 황 함유 2핵 몰리브데이트 염
JP2019517654A (ja) 2016-05-26 2019-06-24 矢崎総業株式会社 吸収式冷凍機におけるグアニジニウム系イオン液体
WO2017205807A1 (en) * 2016-05-26 2017-11-30 Yazaki Corporation Eutectic mixtures of ionic liquids in absorption chillers
DE102016210481B3 (de) 2016-06-14 2017-06-08 Evonik Degussa Gmbh Verfahren zum Reinigen einer ionischen Flüssigkeit
EP3257568B1 (de) 2016-06-14 2019-09-18 Evonik Degussa GmbH Verfahren zur entfeuchtung von feuchten gasgemischen mit ionischen flüssigkeiten
DE102016210478A1 (de) 2016-06-14 2017-12-14 Evonik Degussa Gmbh Verfahren zur Entfeuchtung von feuchten Gasgemischen
EP3257843A1 (en) 2016-06-14 2017-12-20 Evonik Degussa GmbH Method of preparing a high purity imidazolium salt
DE102016210484A1 (de) 2016-06-14 2017-12-14 Evonik Degussa Gmbh Verfahren zur Entfeuchtung von feuchten Gasgemischen
DE102016210483A1 (de) 2016-06-14 2017-12-14 Evonik Degussa Gmbh Verfahren und Absorptionsmittel zur Entfeuchtung von feuchten Gasgemischen
CA3036360A1 (en) 2016-09-14 2018-03-22 Basf Se Method for producing a polybenzazole polymer (p)
WO2018069237A1 (de) 2016-10-12 2018-04-19 Basf Se Betain (b) und verfahren zu dessen herstellung
CN108018067B (zh) * 2016-10-28 2020-05-19 中国石油化工股份有限公司 一种抽提分离柴油馏分中芳烃和烷烃的复合溶剂和方法
CN108003915B (zh) * 2016-10-28 2020-05-19 中国石油化工股份有限公司 一种抽提分离柴油馏分中芳烃和烷烃的复合溶剂和方法
KR102611842B1 (ko) * 2017-08-28 2023-12-07 차이나 페트로리움 앤드 케미컬 코포레이션 메탄올로부터 디메틸 카보네이트를 분리하는 방법
CN108440493B (zh) * 2018-03-29 2022-04-12 中国石油大学(北京) 一种萃取精馏分离三聚甲醛的方法
CN108569952B (zh) * 2018-06-04 2020-09-22 北京化工大学 一种离子液体萃取精馏分离甲醇-甲缩醛的方法
CN108689812B (zh) * 2018-06-04 2020-10-27 北京化工大学 一种离子液体萃取精馏同时脱除甲醇和水的方法
CN110028388B (zh) * 2019-05-23 2023-01-17 山东科技大学 一种用亲水性离子液体萃取精馏分离四氟丙醇和水共沸物的方法
US11987553B2 (en) 2020-09-11 2024-05-21 Honeywell International Inc. Methods for removal of sulfur dioxide (SO2) from trifluoroacetyl chloride (TFAC)
CN113713427A (zh) * 2021-07-28 2021-11-30 常州大学 一种从烷烃中将芳烃抽提分离的方法
CN114920624A (zh) * 2022-05-27 2022-08-19 辽宁石油化工大学 一种环己醇和丁基环己基醚的分离纯化方法及系统
CN114805025A (zh) * 2022-05-27 2022-07-29 辽宁石油化工大学 一种环己醇和丁基环己基醚的分离纯化方法
CN118480371B (zh) * 2024-07-15 2024-10-22 山东春帆环境科技有限责任公司 一种复杂溶剂体系的多级精馏分离工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1011886A (en) 1961-11-09 1965-12-01 Automotive Prod Co Ltd Improvements in and relating to disc brakes
NL292410A (enExample) 1962-05-07
US6339182B1 (en) * 2000-06-20 2002-01-15 Chevron U.S.A. Inc. Separation of olefins from paraffins using ionic liquid solutions
US7001504B2 (en) * 2001-11-06 2006-02-21 Extractica, Llc. Method for extraction of organosulfur compounds from hydrocarbons using ionic liquids
DE10206808A1 (de) * 2002-02-19 2003-08-28 Oxeno Olefinchemie Gmbh Verfahren zur Trennung von Stoffen durch Extraktion oder Wäsche mit ionischen Flüssigkeiten
DE10336556A1 (de) * 2003-08-05 2005-03-10 Basf Ag Destillatives Verfahren zur Trennung von engsiedenden oder azeotropen Gemischen unter Verwendung von ionischen Flüssigkeiten

Also Published As

Publication number Publication date
WO2002074718A2 (de) 2002-09-26
MY129197A (en) 2007-03-30
CN1274382C (zh) 2006-09-13
DE50201299D1 (de) 2004-11-18
EP1372807A2 (de) 2004-01-02
US20040133058A1 (en) 2004-07-08
TWI248828B (en) 2006-02-11
US7435318B2 (en) 2008-10-14
KR20030094287A (ko) 2003-12-11
CA2440528A1 (en) 2002-09-26
BR0208176B1 (pt) 2011-09-20
ES2231699T3 (es) 2005-05-16
CN1524006A (zh) 2004-08-25
MXPA03007633A (es) 2003-12-04
BR0208176A (pt) 2004-03-23
AU2002304855A1 (en) 2002-10-03
EP1372807B1 (de) 2004-10-13
JP2004525924A (ja) 2004-08-26
JP4884643B2 (ja) 2012-02-29
CA2440528C (en) 2010-02-02
KR100846957B1 (ko) 2008-07-17
WO2002074718A3 (de) 2002-11-28

Similar Documents

Publication Publication Date Title
ATE279248T1 (de) Ionische flüssigkeiten als selektive zusatzstoffe für die trennung engsiedender oder azeotroper gemische
DE59911906D1 (de) Rektifizierkolonne für die extraktivdestillation von eng- oder azeotrop siedenden gemischen
BRPI0413017A (pt) processo para separar misturas azeotrópicas ou de ebulição próxima por meio de uma retificação extrativa
MXPA03006942A (es) Metodo para la recuperacion de 1,3-butadieno crudo por destilacion extractiva a partir de un corte de c4.
MY127300A (en) Process of removing contaminants from an olefin stream using extractive distillation
NO20023021D0 (no) Separasjonsinnretninger
DE60222512D1 (de) Herstellungsverfahren von Vinyletherverbindungen
ATE414069T1 (de) Abtrennung von propylenoxid aus einer propylenoxid und methanol enthaltenden mischung
MX276951B (es) Proceso para la purificacion por destilacion, operada continuamente, del solvente de metanol usado en la sintesis del oxido de propileno, libre de coproductos, con los metoxipropanoles y los compuestos de alto punto de ebullicion separados simultanea
ATE382612T1 (de) Abtrennung von propylenoxid aus einer propylenoxid und methanol enthaltenden mischung
MY130981A (en) A process for the separation of dimethyl ether and chloromethane in mixtures
FI20011889A0 (fi) Menetelmä ksylitolin valmistamiseksi
BR0312894B1 (pt) processo contínuo para separação de uma mistura de hidrocarbonetos obtidos de uma fração c4 por meio de destilação extrativa
FR3056584B1 (fr) Procede de fabrication du 1-chloro-2,2-difluoroethane
WO2002076915A3 (en) Purification of difluoromethane
NO20042777L (no) Fremgangsmate for fremstilling av etylenoksid
DK1334096T3 (da) Friedel-Craft-fremgangsmåde til fremstillingen af thioxanthoner
AU2001296881A1 (en) Separation of hydrocarbons by extractive distillation
BR0308042A (pt) Processo para a produção de um carboxilato de alquenila ou de um carboxilato de alquila
ATE540914T1 (de) Reinigung von fluoromethyl-1,1,1,3,3,3- hexafluoroisopropyl-ether (sevofluran)
BR0113068A (pt) Processo para purificação de 2-cloro-5-clorometila-tiazol
DE60335662D1 (de) Ierung
WO2003071425A3 (en) Process for the preparation of 1-(2,6,6-trimethyl-2-cyclohexene-1-yl)-but-2-ene-1-one
WO2003007872A3 (en) Process for the preparation of citalopram hydrobromide
DE60227536D1 (de) Chemische synthese von solamargin

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee