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ES2179888T3 - Procedimiento para la obtencion de caprolactama. - Google Patents

Procedimiento para la obtencion de caprolactama.

Info

Publication number
ES2179888T3
ES2179888T3 ES95937070T ES95937070T ES2179888T3 ES 2179888 T3 ES2179888 T3 ES 2179888T3 ES 95937070 T ES95937070 T ES 95937070T ES 95937070 T ES95937070 T ES 95937070T ES 2179888 T3 ES2179888 T3 ES 2179888T3
Authority
ES
Spain
Prior art keywords
caprolactam
mixture
reactor
give
high boilers
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 - Lifetime
Application number
ES95937070T
Other languages
English (en)
Inventor
Gunther Achhammer
Eberhard Fuchs
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.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2179888T3 publication Critical patent/ES2179888T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Polyamides (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

OBTENCION DE CAPROLACTAMA POR REACCION DE UNA DISOLUCION DE NITRILO DE ACIDO 6-AMINO-CAPRONICO CON AGUA EN FASE LIQUIDA A ELEVADA TEMPERATURA, (A) CALENTANDO UNA DISOLUCION ACUOSA DE NITRILO DE ACIDO 6-AMINO-CAPRONICO EN FASE LIQUIDA SIN ADICION DE UN CATALIZADOR EN UN REACTOR (A) OBTENIENDO UNA MEZCLA (I), COMPUESTA PRINCIPALMENTE DE AGUA, CAPROLACTAMA Y UNA FRACCION DE ELEVADO PUNTO DE EBULLICION ("COMPUESTOS CON ELEVADO PUNTO DE EBULLICION"), ENTONCES (B) SE RETIRA EL AGUA DE LA MEZCLA (I) OBTENIENDO UNA MEZCLA (II), COMPUESTA PRINCIPALMENTE DE CAPROLACTAMA Y DE LOS COMPUESTOS CON ELEVADO PUNTO DE EBULLICION, ENTONCES (C) SE SEPARAN UNO DE OTRO LA CAPROLACTAMA Y LOS COMPUESTOS CON ELEVADO PUNTO DE EBULLICION DE LA MEZCLA (II) POR DESTILACION, Y A CONTINUACION O (D1) LOS COMPUESTOS CON ELEVADO PUNTO DE EBULLICION DE LA ETAPA (C) SE INTRODUCEN EN EL REACTOR (A) DE LA ETAPA (A), O (D2) LOS COMPUESTOS CON ELEVADO PUNTO DE EBULLICION SE CALIENTAN EN OTRO REACTOR (B) DE MANERA ANALOGA A LA ETAPA (A), Y A CONTINUACION SE PROCESAN PARA OBTENER MAS CAPROLACTAMA, DE MANERA ANALOGA A LAS ETAPAS (B) Y (C), O (D3) LOS COMPUESTOS CON ELEVADO PUNTO DE EBULLICION SE CALIENTAN A BAJA PRESION Y EN PRESENCIA DE UNA BASE EN UN REACTOR (C) Y SE PROCESA EL PRODUCTO OBTENIDO PARA RECUPERAR LA CAPROLACTAMA POR DESTILACION.
ES95937070T 1994-11-25 1995-11-14 Procedimiento para la obtencion de caprolactama. Expired - Lifetime ES2179888T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4441962A DE4441962A1 (de) 1994-11-25 1994-11-25 Verfahren zur Herstellung von Caprolactam

Publications (1)

Publication Number Publication Date
ES2179888T3 true ES2179888T3 (es) 2003-02-01

Family

ID=6534115

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95937070T Expired - Lifetime ES2179888T3 (es) 1994-11-25 1995-11-14 Procedimiento para la obtencion de caprolactama.

Country Status (15)

Country Link
US (1) US5495016A (es)
EP (1) EP0793650B1 (es)
JP (1) JPH10509963A (es)
KR (1) KR100403093B1 (es)
CN (1) CN1070182C (es)
AT (1) ATE220061T1 (es)
AU (1) AU3928795A (es)
CZ (1) CZ291034B6 (es)
DE (2) DE4441962A1 (es)
ES (1) ES2179888T3 (es)
MX (1) MX9703727A (es)
MY (1) MY112192A (es)
PL (1) PL320367A1 (es)
RU (1) RU2153492C2 (es)
WO (1) WO1996016936A1 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443125A1 (de) * 1994-12-03 1996-06-05 Basf Ag Verfahren zur Herstellung von Caprolactam
DE19500041A1 (de) * 1995-01-03 1996-07-04 Basf Ag Verfahren zur kontinuierlichen Reinigung von aus 6-Aminocapronitril hergestelltem Roh-Caprolactam
DE19517823A1 (de) * 1995-05-18 1996-11-21 Basf Ag Verfahren zur Herstellung von Caprolactam
TW420662B (en) † 1996-02-17 2001-02-01 Du Pont Recovery of <epsilon>-caprolactam
DE19628805A1 (de) * 1996-07-17 1998-01-22 Basf Ag Verfahren zur Herstellung von Caprolactam aus 6-Aminocapronitril
EP0958278B1 (en) 1996-10-21 2004-05-12 DSM IP Assets B.V. Process to separate epsilon-caprolactam from 6-aminocaproamide and 6-aminocaproamide oligomers
EP0860431A1 (en) 1997-02-19 1998-08-26 Dsm N.V. Process to prepare e-caprolactam
DE19718706A1 (de) * 1997-05-02 1998-11-05 Basf Ag Verfahren zur Herstellung cyclischer Lactame
DE19738463C2 (de) * 1997-09-03 1999-09-23 Basf Ag Verfahren zur Herstellung von Caprolactam
DE19811880A1 (de) 1998-03-18 1999-09-23 Basf Ag Verfahren zur Herstellung von Lactamen
FR2781796B1 (fr) * 1998-07-28 2000-09-22 Rhone Poulenc Fibres Procede de deshydratation de lactame
JP3667140B2 (ja) * 1999-03-04 2005-07-06 パイオニア株式会社 ディスクチェンジャ装置
US6627046B1 (en) 2000-01-21 2003-09-30 E. I. Du Pont De Nemours And Company Separation of the products of polyamide ammonolysis
DE10021193A1 (de) * 2000-05-03 2001-11-08 Basf Ag Verfahren zur Herstellung cyclischer Lactame
US6686465B2 (en) 2000-05-03 2004-02-03 Basf Aktiengesellschaft Preparation of cyclic lactams
JP4182273B2 (ja) 2000-06-27 2008-11-19 住友化学株式会社 ε−カプロラクタムの製造方法
EP1405846A1 (en) * 2002-10-01 2004-04-07 DSM IP Assets B.V. Process for the preparation of epsilon-caprolactam from a mixture comprising 6-aminocaproamide and/or oligomers
DE10253095A1 (de) * 2002-11-13 2004-06-17 Basf Ag Verfahren zur Reinigung von Caprolactam
DE10253094A1 (de) 2002-11-13 2004-05-27 Basf Ag Verfahren zur Reinigung von Caprolactam
US6858728B2 (en) * 2003-06-17 2005-02-22 Invista North America S.A.R.L. Method for making caprolactam from impure ACN in which THA is not removed until after caprolactam is produced
DE102008060340A1 (de) 2008-12-03 2010-06-10 Wolfgang F. Prof. Dr. Hölderich Herstellung von Lactamen und Carbonsäureamide durch Beckmann-Umlagerung von Oximen in Gegenwart von Nb-Katalysatoren
DE102015005238A1 (de) 2015-04-24 2016-10-27 Wolfgang Hölderich Herstellung von Lactamen durch Beckmann-Umlagerung von Oximen
CN116947693B (zh) * 2022-04-13 2025-05-16 中石化南京化工研究院有限公司 6-氨基己腈的合成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2245129A (en) * 1935-01-02 1941-06-10 Du Pont Process for preparing linear polyamides
US2301964A (en) * 1941-09-12 1942-11-17 Du Pont Method of preparing lactams
US2357484A (en) * 1941-09-12 1944-09-05 Du Pont Process for producing compounds containing an n-substituted amide group
FR1419684A (fr) * 1964-09-03 1965-12-03 Electrochimie Soc Procédé perfectionné de fabrication d'epsilon-caprolactames
JPS4821958B1 (es) * 1969-01-28 1973-07-02
EP0150295A3 (en) * 1983-12-19 1988-03-30 Allied Corporation Selective production of n-substituted amides by use of cu(o)/metallic oxides catalyst compositions
US4625023A (en) * 1985-09-03 1986-11-25 Allied Corporation Selective conversion of aliphatic and aromatic aminonitriles and/or dinitriles into lactams
DE4319134A1 (de) * 1993-06-09 1994-12-15 Basf Ag Verfahren zur Herstellung von Caprolactam

Also Published As

Publication number Publication date
WO1996016936A1 (de) 1996-06-06
CZ291034B6 (cs) 2002-12-11
CZ146997A3 (en) 1997-10-15
CN1166830A (zh) 1997-12-03
KR100403093B1 (ko) 2004-03-18
EP0793650B1 (de) 2002-07-03
JPH10509963A (ja) 1998-09-29
ATE220061T1 (de) 2002-07-15
CN1070182C (zh) 2001-08-29
EP0793650A1 (de) 1997-09-10
PL320367A1 (en) 1997-09-29
DE4441962A1 (de) 1996-05-30
MX9703727A (es) 1998-02-28
AU3928795A (en) 1996-06-19
RU2153492C2 (ru) 2000-07-27
US5495016A (en) 1996-02-27
DE59510263D1 (de) 2002-08-08
MY112192A (en) 2001-04-30

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