FR2347351A1 - Procede de purification du caprolactame au moyen d'ozone - Google Patents

Procede de purification du caprolactame au moyen d'ozone

Info

Publication number
FR2347351A1
FR2347351A1 FR7710799A FR7710799A FR2347351A1 FR 2347351 A1 FR2347351 A1 FR 2347351A1 FR 7710799 A FR7710799 A FR 7710799A FR 7710799 A FR7710799 A FR 7710799A FR 2347351 A1 FR2347351 A1 FR 2347351A1
Authority
FR
France
Prior art keywords
ozone
purification process
caprolactam purification
caprolactam
purification
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.)
Granted
Application number
FR7710799A
Other languages
English (en)
French (fr)
Other versions
FR2347351B1 (enrdf_load_stackoverflow
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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 SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of FR2347351A1 publication Critical patent/FR2347351A1/fr
Application granted granted Critical
Publication of FR2347351B1 publication Critical patent/FR2347351B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7710799A 1976-04-09 1977-04-08 Procede de purification du caprolactame au moyen d'ozone Granted FR2347351A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2210876 1976-04-09

Publications (2)

Publication Number Publication Date
FR2347351A1 true FR2347351A1 (fr) 1977-11-04
FR2347351B1 FR2347351B1 (enrdf_load_stackoverflow) 1982-04-02

Family

ID=11191608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7710799A Granted FR2347351A1 (fr) 1976-04-09 1977-04-08 Procede de purification du caprolactame au moyen d'ozone

Country Status (5)

Country Link
BE (1) BE853436A (enrdf_load_stackoverflow)
DE (1) DE2716527A1 (enrdf_load_stackoverflow)
FR (1) FR2347351A1 (enrdf_load_stackoverflow)
GB (1) GB1537994A (enrdf_load_stackoverflow)
NL (1) NL7703643A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9301488A (nl) * 1992-09-08 1994-04-05 Basf Ag Werkwijze voor het zuiveren van caprolactam.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1087136A (fr) * 1952-11-15 1955-02-21 Stamicarbon Procédé pour purifier des lactames

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1087136A (fr) * 1952-11-15 1955-02-21 Stamicarbon Procédé pour purifier des lactames

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9301488A (nl) * 1992-09-08 1994-04-05 Basf Ag Werkwijze voor het zuiveren van caprolactam.
US5637700A (en) * 1992-09-08 1997-06-10 Basf Aktiengesellschaft Purification of caprolactam

Also Published As

Publication number Publication date
GB1537994A (en) 1979-01-10
NL7703643A (nl) 1977-10-11
DE2716527A1 (de) 1977-10-20
FR2347351B1 (enrdf_load_stackoverflow) 1982-04-02
BE853436A (fr) 1977-08-01

Similar Documents

Publication Publication Date Title
FR2337105A1 (fr) Appareil pour la purification de l'eau par ozonisation
BE810686A (fr) Procede de purification d'acide sulfurique use
FR2328659A1 (fr) Procede de purification d'halogenosilanes
BE833787A (fr) Procede de preparation de nouveaux amides d'acide 2,3-dihydro-1-benzothiepin-4-carboxylique
BE810311A (fr) Procede de purification des gaz contenant de l'anhydride sulfurique
FR2288476A1 (fr) Procede pour l'obtention d'isolats purifies de proteines
FR2306939A1 (fr) Procede de purification et d'augmentation de la blancheur de minerais naturels de calcite
BE823974A (fr) Procede d'hydrochloration du silicium
BE824826A (fr) Procede de traitement d'eaux residuaires au moyen d'ejecteurs
BE867204A (fr) Procede de purification du silicium
BE815167A (fr) Procede de purification d'acide sulfurique contenant du mercure
FR2322842A1 (fr) Procede de purification d'un alkylene-glycol
BE858717A (fr) Procede de purification de l'epsilon-caprolactame
BE846420A (fr) Procede de purification d'eaux souterraines
FR2347351A1 (fr) Procede de purification du caprolactame au moyen d'ozone
FR2331558A1 (fr) Purification de la caprolactame
BE828508A (fr) Procede de purification de l'acide decane-1,10-dicarboxylique
FR2296609A1 (fr) Procede d'obtention catalytique de polyalcools
BE842840A (fr) Procede de purification d'acide sulfurique contenant de l'acide acetique
BE857954A (fr) Procede de purification du 3-phenoxybenzaldehyde
BE825056A (fr) Procede de purification de l'acide 11-cyano-undecanoique
FR2291197A1 (fr) Procede pour la purification d'acide cyanurique
BE831477A (fr) Procede de purification d'eaux residuaires
BE883070A (fr) Procede pour la purification de caprolactame brut contenant des amides primaires et caprolactame purifie obtenu
FR2352004A1 (fr) Procede de purification de copolymeres contenant de l'acide crotonique

Legal Events

Date Code Title Description
ST Notification of lapse