TWI350196B - Purification of dimethylacetamide (dmac) - Google Patents

Purification of dimethylacetamide (dmac)

Info

Publication number
TWI350196B
TWI350196B TW094120522A TW94120522A TWI350196B TW I350196 B TWI350196 B TW I350196B TW 094120522 A TW094120522 A TW 094120522A TW 94120522 A TW94120522 A TW 94120522A TW I350196 B TWI350196 B TW I350196B
Authority
TW
Taiwan
Prior art keywords
dmac
boiling
dimethylacetamide
purification
low
Prior art date
Application number
TW094120522A
Other languages
English (en)
Other versions
TW200611746A (en
Inventor
Werner Peschel
Harald Rust
Tanja Kirchner
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
Application filed by Basf Ag filed Critical Basf Ag
Publication of TW200611746A publication Critical patent/TW200611746A/zh
Application granted granted Critical
Publication of TWI350196B publication Critical patent/TWI350196B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides
    • C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
    • C07C233/04—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • C07C233/05—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • 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
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/10—Preparation of carboxylic acid amides from compounds not provided for in groups C07C231/02 - C07C231/08
    • 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

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)
  • Pyrrole Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
TW094120522A 2004-06-24 2005-06-21 Purification of dimethylacetamide (dmac) TWI350196B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004030616A DE102004030616A1 (de) 2004-06-24 2004-06-24 Verfahren zur Reinigung von Dimethylacetamid (DMAc)

Publications (2)

Publication Number Publication Date
TW200611746A TW200611746A (en) 2006-04-16
TWI350196B true TWI350196B (en) 2011-10-11

Family

ID=35266859

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094120522A TWI350196B (en) 2004-06-24 2005-06-21 Purification of dimethylacetamide (dmac)

Country Status (9)

Country Link
EP (1) EP1768953B1 (zh)
KR (1) KR101101023B1 (zh)
CN (1) CN100569737C (zh)
AT (1) ATE395324T1 (zh)
DE (2) DE102004030616A1 (zh)
ES (1) ES2304015T3 (zh)
IL (1) IL179665A0 (zh)
TW (1) TWI350196B (zh)
WO (1) WO2006000392A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058887A1 (de) 2004-12-06 2006-06-08 Basf Ag Verfahren zur Herstellung von N,N-Dimethylacetamid (DMAC)
DE102004058888A1 (de) 2004-12-06 2006-06-08 Basf Ag Verfahren zur Herstellung von N,N-Dimethylacetamid (DMAC)
DE102004058886A1 (de) 2004-12-06 2006-06-08 Basf Ag Verfahren zur Herstellung von N,N-Dimethylacetamid (DMAC)
KR100881763B1 (ko) * 2007-05-14 2009-02-09 이택홍 암모니아 정제방법 및 장치
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
KR101372712B1 (ko) * 2011-11-11 2014-03-11 주식회사 엘지화학 트리할로실란의 정제 장치
EP2778132A4 (en) * 2011-11-11 2015-08-26 Lg Chemical Ltd DEVICE FOR PURIFYING TRIHALOSILANE
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
JP5793157B2 (ja) * 2013-03-04 2015-10-14 日本リファイン株式会社 溶液処理装置
CN110423192A (zh) * 2019-08-14 2019-11-08 郑州中科新兴产业技术研究院 一种氨纶dmac/醋酸有机废液的回收方法
CN111821714B (zh) * 2020-07-27 2021-07-20 华峰集团上海工程有限公司 一种聚酰胺用精盐连续浓缩系统
KR102283485B1 (ko) 2020-10-08 2021-07-30 (주)엠지케이 고순도 디메틸아민 제조방법
KR102283486B1 (ko) 2020-10-08 2021-07-29 윤명덕 고순도 디메틸아민 제조시스템

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6946060B2 (en) * 2002-07-01 2005-09-20 Mallinckrodt Inc. Purification of N,N-dimethylacetamide
DE10315214A1 (de) * 2003-04-03 2004-10-14 Basf Ag Verfahren zur Reinigung von Dimethylacetamid (DMAC)

Also Published As

Publication number Publication date
TW200611746A (en) 2006-04-16
WO2006000392A1 (de) 2006-01-05
DE102004030616A1 (de) 2006-01-26
EP1768953B1 (de) 2008-05-14
KR101101023B1 (ko) 2011-12-29
CN100569737C (zh) 2009-12-16
ATE395324T1 (de) 2008-05-15
CN1972902A (zh) 2007-05-30
KR20070022779A (ko) 2007-02-27
IL179665A0 (en) 2007-05-15
DE502005004136D1 (de) 2008-06-26
EP1768953A1 (de) 2007-04-04
ES2304015T3 (es) 2008-09-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees