CN1326586C - N,n－二甲基乙酰胺的纯化 - Google Patents

N,n－二甲基乙酰胺的纯化 Download PDF

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Publication number
CN1326586C
CN1326586C CNB038154617A CN03815461A CN1326586C CN 1326586 C CN1326586 C CN 1326586C CN B038154617 A CNB038154617 A CN B038154617A CN 03815461 A CN03815461 A CN 03815461A CN 1326586 C CN1326586 C CN 1326586C
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China
Prior art keywords
column
stream
acetic acid
dmac
bottoms
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Expired - Fee Related
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CNB038154617A
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English (en)
Chinese (zh)
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CN1665574A (zh
Inventor
迈克尔·J·金泰尔科尔
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Mallinckrodt Inc
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Mallinckrodt Inc
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Publication of CN1665574A publication Critical patent/CN1665574A/zh
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    • 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

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  • 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)
CNB038154617A 2002-07-01 2003-06-18 N,n－二甲基乙酰胺的纯化 Expired - Fee Related CN1326586C (zh)

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
US10/186,764 2002-07-01

Publications (2)

Publication Number Publication Date
CN1665574A CN1665574A (zh) 2005-09-07
CN1326586C true CN1326586C (zh) 2007-07-18

Family

ID=29779931

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB038154617A Expired - Fee Related CN1326586C (zh) 2002-07-01 2003-06-18 N,n－二甲基乙酰胺的纯化

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
CN105555378B (zh) 2013-07-18 2018-06-12 Lg化学株式会社 蒸馏装置
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
WO2018108811A1 (en) * 2016-12-13 2018-06-21 Avantium Knowledge Centre B.V. Process for purifying a contaminated hydrochloric acid composition
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1165278A (en) * 1966-12-15 1969-09-24 Du Pont Separation of Dimethylacetamide from Mixtures by Distillation
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
US4177111A (en) * 1976-07-15 1979-12-04 Bayer Aktiengesellschaft Process for the recovery of dimethylacylamides
US5124004A (en) * 1983-08-22 1992-06-23 Trustees Of Dartmouth College Distillation process for ethanol
US5180474A (en) * 1991-03-23 1993-01-19 Krupp Koppers Gmbh Method of separation of aromates by extractive distillation
US6159344A (en) * 1996-07-26 2000-12-12 Institut Francais Du Petrole Reaction and distillation device

Family Cites Families (4)

* 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
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
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.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1165278A (en) * 1966-12-15 1969-09-24 Du Pont Separation of Dimethylacetamide from Mixtures by Distillation
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
US4177111A (en) * 1976-07-15 1979-12-04 Bayer Aktiengesellschaft Process for the recovery of dimethylacylamides
US5124004A (en) * 1983-08-22 1992-06-23 Trustees Of Dartmouth College Distillation process for ethanol
US5180474A (en) * 1991-03-23 1993-01-19 Krupp Koppers Gmbh Method of separation of aromates by extractive distillation
US6159344A (en) * 1996-07-26 2000-12-12 Institut Francais Du Petrole Reaction and distillation device

Also Published As

Publication number Publication date
US20040000470A1 (en) 2004-01-01
PT1551522E (pt) 2009-07-01
ES2322049T3 (es) 2009-06-16
DE60326974D1 (de) 2009-05-14
AU2003238296A8 (en) 2004-01-19
WO2004002926A2 (en) 2004-01-08
AU2003238296A1 (en) 2004-01-19
CN1665574A (zh) 2005-09-07
US6946060B2 (en) 2005-09-20
CA2491342A1 (en) 2004-01-08
WO2004002926A3 (en) 2004-06-03
NO20050520L (no) 2005-01-31
JP2005531634A (ja) 2005-10-20
ATE427150T1 (de) 2009-04-15
EP1551522A2 (en) 2005-07-13
EP1551522B1 (en) 2009-04-01
EP1551522A4 (en) 2005-10-19

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Granted publication date: 20070718

Termination date: 20100618