BR8404332A - Processo para recuperacao de caprolactama de um residuo restante da destilacao,a pressao reduzida,de caprolactama impura e caprolactama assim obtida - Google Patents

Processo para recuperacao de caprolactama de um residuo restante da destilacao,a pressao reduzida,de caprolactama impura e caprolactama assim obtida

Info

Publication number
BR8404332A
BR8404332A BR8404332A BR8404332A BR8404332A BR 8404332 A BR8404332 A BR 8404332A BR 8404332 A BR8404332 A BR 8404332A BR 8404332 A BR8404332 A BR 8404332A BR 8404332 A BR8404332 A BR 8404332A
Authority
BR
Brazil
Prior art keywords
caprolactama
impure
recovery
reduced pressure
distillation waste
Prior art date
Application number
BR8404332A
Other languages
English (en)
Inventor
Otto Gerrit Plantema
Arnold Godfried Maria Jetten
Nicolaas Franciscus Haasen
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of BR8404332A publication Critical patent/BR8404332A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrrole Compounds (AREA)
BR8404332A 1983-08-31 1984-08-30 Processo para recuperacao de caprolactama de um residuo restante da destilacao,a pressao reduzida,de caprolactama impura e caprolactama assim obtida BR8404332A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8303028A NL8303028A (nl) 1983-08-31 1983-08-31 Winning van caprolactam uit caprolactam-bevattend destillatie-residu.

Publications (1)

Publication Number Publication Date
BR8404332A true BR8404332A (pt) 1985-07-30

Family

ID=19842326

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8404332A BR8404332A (pt) 1983-08-31 1984-08-30 Processo para recuperacao de caprolactama de um residuo restante da destilacao,a pressao reduzida,de caprolactama impura e caprolactama assim obtida

Country Status (9)

Country Link
US (1) US4563308A (pt)
EP (1) EP0138241A3 (pt)
JP (1) JPS60155155A (pt)
KR (1) KR860001467B1 (pt)
BR (1) BR8404332A (pt)
CA (1) CA1221365A (pt)
ES (1) ES8505339A1 (pt)
IN (1) IN162723B (pt)
NL (1) NL8303028A (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729853A1 (de) * 1987-09-05 1989-03-23 Basf Ag Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen
DE3925575A1 (de) * 1989-08-02 1991-02-07 Basf Ag Verfahren zur kontinuierlichen reinigung von caprolactam
DK0627417T3 (da) * 1993-06-04 2000-03-13 Dsm Nv Genvinding af E-caprolactam fra tæppeaffald
BE1007298A3 (nl) * 1993-07-19 1995-05-09 Dsm Nv Werkwijze voor het zuiveren van een water-epsilon-caprolactam mengsel.
TW268941B (pt) * 1993-08-20 1996-01-21 Sumitomo Chemical Co
US6369192B1 (en) 1995-10-27 2002-04-09 Praxair Technology, Inc. Methods for removing contaminants from polymers
DE19623662A1 (de) * 1996-06-13 1997-12-18 Basf Ag Verfahren zur Reinigung von epsilon-Caprolactam
US6207790B1 (en) 2000-01-14 2001-03-27 Ticona Llc Process for producing amorphous anisotropic melt-forming polymers having a high degree of stretchability and polymers produced by same
US6132884A (en) * 2000-01-14 2000-10-17 Ticona Llc Process for producing amorphous anisotrophic melt-forming polymers having a high degree of stretchability and polymers produced by same
US6294640B1 (en) 2000-01-14 2001-09-25 Ticona Llc Stretchable polymers and shaped articles produced by same
US6222000B1 (en) 2000-01-14 2001-04-24 Ticona Llc Process for producing amorphous anisotropic melt-forming polymers having a high degree of stretchability
CN1277818C (zh) * 2001-11-26 2006-10-04 Dsmip财产有限公司 己内酰胺的回收方法
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
MXPA06001028A (es) * 2003-07-25 2006-04-27 Dsm Ip Assets Bv Procesos para purificar caprolactamas.
TWI520944B (zh) * 2015-02-13 2016-02-11 中國石油化學工業開發股份有限公司 己內醯胺之製造方法及其系統
WO2022015529A1 (en) 2020-07-15 2022-01-20 Dow Global Technologies Llc Process for removal of contaminants from contaminated thermoplastic
CN114516838B (zh) * 2022-02-24 2024-01-23 江苏扬农化工集团有限公司 一种环己酮肟气相重排产物残渣的资源化利用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1133212A (fr) * 1954-11-04 1957-03-25 Stamicarbon Procédé pour l'épuration de caprolactame
FR1337527A (fr) * 1962-08-27 1963-09-13 Snia Viscosa Procédé de purification du caprolactame
DE2443341C3 (de) * 1974-09-11 1979-05-17 Basf Ag, 6700 Ludwigshafen Verfahren zur Reinigung von Rohcaprolactam
DE2845019A1 (de) * 1978-10-16 1980-04-30 Basf Ag Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung
DE2915360A1 (de) * 1979-04-14 1980-10-30 Basf Ag Verfahren zur herstellung von caprolactam
NL8102280A (nl) * 1981-05-09 1982-12-01 Stamicarbon Werkwijze voor het zuiveren van epsilon-caprolactam.

Also Published As

Publication number Publication date
EP0138241A2 (en) 1985-04-24
KR850001899A (ko) 1985-04-10
KR860001467B1 (ko) 1986-09-26
ES535516A0 (es) 1985-05-16
CA1221365A (en) 1987-05-05
NL8303028A (nl) 1985-03-18
EP0138241A3 (en) 1987-06-03
JPS60155155A (ja) 1985-08-15
US4563308A (en) 1986-01-07
IN162723B (pt) 1988-07-02
ES8505339A1 (es) 1985-05-16

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