BE786176A - Procede de recuperation de la caprolactame - Google Patents

Procede de recuperation de la caprolactame

Info

Publication number
BE786176A
BE786176A BE786176DA BE786176A BE 786176 A BE786176 A BE 786176A BE 786176D A BE786176D A BE 786176DA BE 786176 A BE786176 A BE 786176A
Authority
BE
Belgium
Prior art keywords
recovery process
caprolactam recovery
caprolactam
recovery
Prior art date
Application number
Other languages
English (en)
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 BE786176A publication Critical patent/BE786176A/fr

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)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Polyamides (AREA)
  • Pyrrole Compounds (AREA)
BE786176D 1971-07-14 1972-07-12 Procede de recuperation de la caprolactame BE786176A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2135085A DE2135085C3 (de) 1971-07-14 1971-07-14 Verfahren zur Wiedergewinnung von Caprolactam aus einem Gemisch, das Caprolactam und dessen Oligomere enthält

Publications (1)

Publication Number Publication Date
BE786176A true BE786176A (fr) 1973-01-12

Family

ID=5813596

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786176D BE786176A (fr) 1971-07-14 1972-07-12 Procede de recuperation de la caprolactame

Country Status (7)

Country Link
US (1) US3855080A (fr)
BE (1) BE786176A (fr)
DE (1) DE2135085C3 (fr)
ES (1) ES404834A1 (fr)
GB (1) GB1388166A (fr)
IT (1) IT961380B (fr)
NL (1) NL7209438A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311642A (en) * 1980-09-17 1982-01-19 Allied Corporation Recovery of caprolactam from nylon 6 oligomers
DE3311260A1 (de) * 1983-03-28 1984-10-04 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen eindampfen von caprolactam und dessen oligomere enthaltenden waessrigen loesungen
US4764607A (en) * 1986-12-22 1988-08-16 Allied Corporation Method for recovering caprolactam
PT1181272E (pt) 2000-12-28 2003-01-31 Lundbeck & Co As H Processo para a preparacao de citalopram puro

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE752574C (de) * 1942-06-26 1953-03-16 Ig Farbenindustrie Ag Verfahren zur Herstellung von ªŠ-Caprolactam
US2952675A (en) * 1958-07-01 1960-09-13 Inventa A G Fur Forschun Und P Process of recovering epsilon-caprolactam from its polymer
US3252502A (en) * 1962-01-19 1966-05-24 Allied Chem Centrifugal wiped film evaporation process for viscous materials
NL135959C (fr) * 1964-12-23
US3497500A (en) * 1967-06-16 1970-02-24 Union Carbide Corp Process for production of epsilon-caprolactam
US3600381A (en) * 1968-05-09 1971-08-17 Teijin Ltd Caprolactam purification process
NL161063C (nl) * 1969-04-05 1980-01-15 Stamicarbon Werkwijze voor het scheiden van vloeistoffen met behulp van een gelijkstroomverdamper met verticale pijpen.

Also Published As

Publication number Publication date
NL7209438A (fr) 1973-01-16
ES404834A1 (es) 1975-06-16
US3855080A (en) 1974-12-17
GB1388166A (en) 1975-03-26
DE2135085B2 (de) 1976-07-22
DE2135085A1 (de) 1973-02-01
DE2135085C3 (de) 1981-12-03
IT961380B (it) 1973-12-10

Similar Documents

Publication Publication Date Title
BE762438A (fr) Procede de denicotinisation
BE768539A (fr) Procede de separation
BE747494A (fr) Procede de recuperation de proteines
BE770913A (fr) Procede de recuperation d'hydroperoxydes
BE776978A (fr) Procede de purification de caprolactame
BE787944A (fr) Procede de recuperation d'isoprene
BE794622A (fr) Procede de purification du caprolactame
BE776979A (fr) Procede de purification de lactames
BE783101A (fr) Procede de preparation de lactames
BE783100A (fr) Procede de preparation de lactames
BE780222R (fr) Procede de recuperation de
BE772496A (fr) Procede de recuperation de cobalt-carbonyle
BE779006A (fr) Procede de separation
BE773264A (fr) Procede de purification de lactames
BE768540A (fr) Procede de separation
BE786176A (fr) Procede de recuperation de la caprolactame
BE780693A (fr) Procede de recuperation du trimethylolpropane
BE784927A (fr) Procede perfectionne de recuperation de
RO64661A (fr) Procede pour la recuperation
CH552657A (fr) Procede de separation de dinitroanthraquinones.
BE745616A (fr) Procede de recuperation du colombium
BE799659A (fr) Procede de purification de la caprolactame,
BE784560A (fr) Procede de preparation de lactames
BE832001A (fr) Procede de purification de caprolactame
BE803434A (fr) Procede de separation