DE60326974D1 - Reinigung von n,n-dimethylacetamid - Google Patents

Reinigung von n,n-dimethylacetamid

Info

Publication number
DE60326974D1
DE60326974D1 DE60326974T DE60326974T DE60326974D1 DE 60326974 D1 DE60326974 D1 DE 60326974D1 DE 60326974 T DE60326974 T DE 60326974T DE 60326974 T DE60326974 T DE 60326974T DE 60326974 D1 DE60326974 D1 DE 60326974D1
Authority
DE
Germany
Prior art keywords
column
acetic acid
dmac
contaminant
solution containing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE60326974T
Other languages
German (de)
English (en)
Inventor
Michael J Gentilcore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mallinckrodt Inc
Original Assignee
Mallinckrodt Inc
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
Application filed by Mallinckrodt Inc filed Critical Mallinckrodt Inc
Application granted granted Critical
Publication of DE60326974D1 publication Critical patent/DE60326974D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/22—Separation; Purification; Stabilisation; Use of additives
    • C07C231/24—Separation; Purification
    • 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
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/146—Multiple effect distillation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/09—Plural feed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Pyrrole Compounds (AREA)
  • Detergent Compositions (AREA)
DE60326974T 2002-07-01 2003-06-18 Reinigung von n,n-dimethylacetamid Expired - Fee Related DE60326974D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/186,764 US6946060B2 (en) 2002-07-01 2002-07-01 Purification of N,N-dimethylacetamide
PCT/US2003/019405 WO2004002926A2 (en) 2002-07-01 2003-06-18 Purification of n,n-dimethylacetamide

Publications (1)

Publication Number Publication Date
DE60326974D1 true DE60326974D1 (de) 2009-05-14

Family

ID=29779931

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60326974T Expired - Fee Related DE60326974D1 (de) 2002-07-01 2003-06-18 Reinigung von n,n-dimethylacetamid

Country Status (12)

Country Link
US (1) US6946060B2 (enExample)
EP (1) EP1551522B1 (enExample)
JP (1) JP2005531634A (enExample)
CN (1) CN1326586C (enExample)
AT (1) ATE427150T1 (enExample)
AU (1) AU2003238296A1 (enExample)
CA (1) CA2491342A1 (enExample)
DE (1) DE60326974D1 (enExample)
ES (1) ES2322049T3 (enExample)
NO (1) NO20050520L (enExample)
PT (1) PT1551522E (enExample)
WO (1) WO2004002926A2 (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10315214A1 (de) * 2003-04-03 2004-10-14 Basf Ag Verfahren zur Reinigung von Dimethylacetamid (DMAC)
JP3847754B2 (ja) * 2004-02-03 2006-11-22 石油資源開発株式会社 蒸留塔を用いた水銀除去方法
DE102004030616A1 (de) * 2004-06-24 2006-01-26 Basf Ag Verfahren zur Reinigung von Dimethylacetamid (DMAc)
EP1712544A1 (de) * 2005-04-12 2006-10-18 Lonza Ag Verfahren zur Herstellung von Acetessigsäurearylamiden
CN101462977B (zh) * 2008-07-25 2012-07-25 烟台泰和新材料股份有限公司 N,n-二甲基乙酰胺的纯化方法
CN102030672B (zh) * 2010-12-09 2013-10-09 南京大学 氨纶生产过程中回收超高纯n,n-二甲基乙酰胺溶剂的工艺
RU2509593C1 (ru) * 2012-10-29 2014-03-20 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВПО "НИУ МЭИ") Способ автоматического управления процессом ректификации и устройство для его осуществления
CN102921306B (zh) * 2012-11-16 2015-05-20 北京碧水源膜科技有限公司 分离膜凝胶浴溶液回收方法及使用回收物制备的分离膜
CN102993039A (zh) * 2012-12-18 2013-03-27 常州大学 一种回收聚醚砜纺丝废水中二甲基乙酰胺的方法
CN103145577B (zh) * 2013-02-25 2014-08-27 天津天中福大科技发展有限公司 从制药废液中回收二甲基乙酰胺的方法、设备及热耦合方法
WO2015009116A1 (ko) * 2013-07-18 2015-01-22 주식회사 엘지화학 증류 장치
US9895624B2 (en) 2013-07-18 2018-02-20 Lg Chem, Ltd. Distillation device
RU2558596C2 (ru) * 2013-11-15 2015-08-10 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВПО "НИУ МЭИ") Способ автоматического управления эффективностью функционирования процесса ректификации
CN104016873B (zh) * 2014-05-28 2015-10-28 深圳市灿森科技有限公司 塑料膜或者聚酰亚胺膜生产中废液的回收方法
CN104926675A (zh) * 2015-05-18 2015-09-23 深圳市瑞升华科技股份有限公司 低浓度二甲基乙酰胺的回收工艺
BR112019010897B1 (pt) * 2016-12-13 2023-10-24 Avantium Knowledge Centre B.V Processo para preparar uma composição de ácido clorídrico purificada, e, composição de ácido clorídrico purificada
US10287222B1 (en) * 2017-10-20 2019-05-14 Uop Llc Process and apparatus for desorbent recovery
CN108299190B (zh) * 2018-03-07 2021-03-02 福州大学 一种分离共沸体系的方法
FR3084668A1 (fr) 2018-08-02 2020-02-07 Guerbet Procede de preparation monotope de composes organo-iodes intermediaires a la synthese du ioversol
CN109320432A (zh) * 2018-10-31 2019-02-12 浙江本优机械有限公司 一种用于低浓度二甲基乙酰胺回收提纯的蒸发设备
CN109745723B (zh) * 2018-12-29 2021-07-06 恒天纤维集团有限公司 一种双塔连续供料精馏系统及控制方法
CN110127789A (zh) * 2019-05-08 2019-08-16 河北德瑞化工有限公司 一种废水处理系统及其废水处理方法
JP7255042B2 (ja) * 2019-05-20 2023-04-11 株式会社レゾナック Ｎ，ｎ－ジメチルカルボン酸アミドの製造方法
DK180599B1 (en) 2020-01-20 2021-10-14 Blue World Technologies Holding ApS Apparatus and process for making acid-doped proton exchange membranes
CN116903083B (zh) * 2023-09-07 2023-11-21 河北乐凯化工工程设计有限公司 一种含dmac工业废水的回收处理工艺
CN118925248B (zh) * 2024-07-22 2025-09-12 太仓沪试试剂有限公司 一种蒸馏装置及基于该蒸馏装置的n,n-二甲基甲酰胺纯化工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419478A (en) * 1966-12-13 1968-12-31 Du Pont Azeotropic distillation of a n,n-dimethylacetamide-acetic acid mixture using a saturated aliphatic hydrocarbon
NL6717010A (enExample) 1966-12-15 1968-06-17
US3687820A (en) * 1970-11-23 1972-08-29 Du Pont Process for separating mixtures of n,n-dimethylacetamides and acetic acid by distilling with alternate pressures
DE2408011A1 (de) * 1974-02-20 1975-09-04 Hoechst Ag Verfahren zur gewinnung von technisch reiner essigsaeure durch extraktivdestillation
US3959371A (en) 1974-10-08 1976-05-25 Custom Organics, Inc. Process for the purification of N,N-dimethylacetamide
DE2631734B2 (de) * 1976-07-15 1978-11-30 Bayer Ag, 5090 Leverkusen Verfahren zur Ruckgewinnung von Dimethylac) !amiden
NL8103517A (nl) * 1981-07-24 1983-02-16 Badger Bv Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling.
US5124004A (en) 1983-08-22 1992-06-23 Trustees Of Dartmouth College Distillation process for ethanol
DE4109632A1 (de) 1991-03-23 1992-09-24 Krupp Koppers Gmbh Verfahren zur abtrennung von aromaten durch extraktivdestillation
FR2751558B1 (fr) 1996-07-26 1998-09-18 Inst Francais Du Petrole Dispositif de reaction et de distillation et procede d'etherification

Also Published As

Publication number Publication date
CN1665574A (zh) 2005-09-07
WO2004002926A2 (en) 2004-01-08
US6946060B2 (en) 2005-09-20
CN1326586C (zh) 2007-07-18
JP2005531634A (ja) 2005-10-20
NO20050520L (no) 2005-01-31
WO2004002926A3 (en) 2004-06-03
ES2322049T3 (es) 2009-06-16
AU2003238296A8 (en) 2004-01-19
ATE427150T1 (de) 2009-04-15
PT1551522E (pt) 2009-07-01
CA2491342A1 (en) 2004-01-08
US20040000470A1 (en) 2004-01-01
EP1551522A4 (en) 2005-10-19
AU2003238296A1 (en) 2004-01-19
EP1551522B1 (en) 2009-04-01
EP1551522A2 (en) 2005-07-13

Similar Documents

Publication Publication Date Title
DE60326974D1 (de) Reinigung von n,n-dimethylacetamid
DE50113441D1 (de) Verfahren zur destillativen trennung von tetrahydrofuran, gamma-butyrolacton und/oder 1,4-butandiol enthaltenden gemischen
BRPI0412503A (pt) processo de separação térmica para a remoção de pelo menos uma corrente contendo monÈmeros (met) acrìlicos enriquecidos
PT958496E (pt) Dispositivo e processo para cromatografia em aparelho
DK1392411T3 (da) Separationsfremgangsmåde med SMB-kromatografi
UA39135C2 (uk) Спосіб фракціонування розчину
BRPI0413017A (pt) processo para separar misturas azeotrópicas ou de ebulição próxima por meio de uma retificação extrativa
BR8605129A (pt) Processo para purificacao de uma proteina atraves de cromatografia de coluna e processo para purificar fator anti-hemofilico a partir de crioprecipitado de plasma
ATE309260T1 (de) Elektrophoretische reinigungsmethode von nukleinsäuren
ATE359280T1 (de) Verfahren und apparatur zur herstellung von taxol aus ausgangsstoffen unter verwendung von superkritischer flüssigkeit
ATE289290T1 (de) Verfahren zur reinigung und wiedergewinnung von acetonitril
DK1877769T3 (da) Fremgangsmåde og anordning til kromatografisk oprensning
KR960700984A (ko) 2원 공비물 성분의 정제방법
EA200501273A1 (ru) Удаление жидкостей природного газа из газообразного потока природного газа
DE60232658D1 (de) Herstellung von ultrareinem bismut-213 zur verwendung in der therapeutischen nuklearmedizin
DE60104445D1 (de) Verfahren zur fraktionierung flüssiger mischungen
ATE299872T1 (de) Verfahren zur destillativen aufarbeitung von tetrahydrofuran
DE60016222D1 (de) Verfahren zur trennung von ätherischen ölen aus ätherischen ölen enthalendem material
DE502005004136D1 (de) Verfahren zur reinigung von dimethylacetamid (dmac)
ATE400540T1 (de) Verfahren zur herstellung von einem gereinigten hydrofluoralkan
DE50311557D1 (de) Verfahren zur rektifikativen auftrennung von (meth)acrylmonomere enthaltenden flüssigkeiten in einer rektifikationskolonne
FI20020936A7 (fi) Kromatografinen erottelu
ATE136020T1 (de) Verfahren zur reinigung von hydroxypivalyl- hydroxypivalat
ATE395319T1 (de) Verfahren zur reinigung von acrolein
DE60011411D1 (de) Abtrennung von verunreinigungen durch destillation

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee