CA1018524A - Method for extracting lactams from acidic reaction mixtures - Google Patents

Method for extracting lactams from acidic reaction mixtures

Info

Publication number
CA1018524A
CA1018524A CA175,181A CA175181A CA1018524A CA 1018524 A CA1018524 A CA 1018524A CA 175181 A CA175181 A CA 175181A CA 1018524 A CA1018524 A CA 1018524A
Authority
CA
Canada
Prior art keywords
lactams
extracting
reaction mixtures
acidic reaction
acidic
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
Application number
CA175,181A
Other languages
English (en)
French (fr)
Other versions
CA175181S (fr
Inventor
Giancarlo Sioli
Roberto Mattone
Luigi Giuffre'
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
Application granted granted Critical
Publication of CA1018524A publication Critical patent/CA1018524A/en
Expired 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
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Hydrogenated Pyridines (AREA)
  • Polyamides (AREA)
  • Pyrrole Compounds (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA175,181A 1972-06-28 1973-06-28 Method for extracting lactams from acidic reaction mixtures Expired CA1018524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26384/72A IT956940B (it) 1972-06-28 1972-06-28 Procedimento per l estrazione di lattami da miscele acide di rea zione

Publications (1)

Publication Number Publication Date
CA1018524A true CA1018524A (en) 1977-10-04

Family

ID=11219370

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,181A Expired CA1018524A (en) 1972-06-28 1973-06-28 Method for extracting lactams from acidic reaction mixtures

Country Status (23)

Country Link
US (1) US3912721A (no)
JP (1) JPS5544067B2 (no)
AR (1) AR197617A1 (no)
AT (1) AT326676B (no)
AU (1) AU475133B2 (no)
BE (1) BE801610A (no)
BR (1) BR7304800D0 (no)
CA (1) CA1018524A (no)
CH (1) CH602632A5 (no)
DE (1) DE2332973A1 (no)
DK (1) DK133150C (no)
ES (1) ES416415A1 (no)
FR (1) FR2190821B1 (no)
GB (1) GB1430006A (no)
IE (1) IE37857B1 (no)
IL (1) IL42677A (no)
IN (1) IN139738B (no)
IT (1) IT956940B (no)
NL (1) NL7309031A (no)
NO (1) NO143220C (no)
SU (1) SU557754A3 (no)
TR (1) TR17560A (no)
ZA (1) ZA734342B (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013640A (en) * 1974-04-11 1977-03-22 Union Carbide Corporation Process for the recovery of amides
DE2926279A1 (de) * 1979-06-29 1981-01-08 Basf Ag Verfahren zur reinigung von caprolactam
US4328154A (en) * 1980-11-03 1982-05-04 Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A. Process for the purification of raw caprolactam
DE3834904A1 (de) * 1988-10-13 1990-04-19 Hoechst Ag Verfahren zur extraktion von n-methyl-pyrrolidon-(2)
NL1000781C2 (nl) * 1995-07-12 1997-01-14 Dsm Nv Werkwijze voor het winnen van caprolactam uit nylon-6 bevattende afval.
EP0826665A1 (en) * 1996-09-02 1998-03-04 Dsm N.V. Recovery of epsilon-caprolactam from aqueous mixtures
TW420662B (en) * 1996-02-17 2001-02-01 Du Pont Recovery of <epsilon>-caprolactam
BE1011047A3 (nl) * 1997-03-17 1999-04-06 Dsm Nv Werkwijze voor het zuiveren van caprolactam.
TW201114740A (en) * 2009-10-30 2011-05-01 China Petrochemical Dev Corp Taipei Taiwan Method of separating amide from amino acid ionic solution
CN102335573B (zh) * 2010-07-23 2013-09-11 中国石油化工股份有限公司 一种己内酰胺苛化装置
TWI414508B (zh) 2011-01-17 2013-11-11 China Petrochemical Dev Corp Taipei Taiwan A catalyst composition and a method for preparing an amide using the composition
RU2458053C1 (ru) * 2011-06-06 2012-08-10 Открытое акционерное общество "КуйбышевАзот" Способ управления экстракцией капролактама
BR112016007654A2 (pt) * 2013-10-07 2017-11-14 Gfbiochemicals Ltd processo para preparar ácido levulínico
CN104262252A (zh) * 2014-10-21 2015-01-07 湖南百利工程科技股份有限公司 一种从己内酰胺硫酸酯中分离己内酰胺和硫酸的方法
CN104387322A (zh) * 2014-10-21 2015-03-04 湖南百利工程科技股份有限公司 一种低副产硫酸铵的己内酰胺的制备方法
CN104910071A (zh) * 2015-05-08 2015-09-16 河北美邦工程科技股份有限公司 一种制备己内酰胺的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH78A (de) * 1889-01-18 August Graemiger Anton Apparat zum Färben, Waschen, Bleichen u. s. w., von Garn in aufgewickeltem Zustande
CH446342A (de) * 1963-11-29 1967-11-15 Bayer Ag Verfahren zum Herstellen reiner Lactame

Also Published As

Publication number Publication date
BE801610A (fr) 1973-12-28
DK133150B (da) 1976-03-29
NL7309031A (no) 1974-01-02
SU557754A3 (ru) 1977-05-05
IT956940B (it) 1973-10-10
BR7304800D0 (pt) 1974-09-05
IL42677A (en) 1976-06-30
NO143220B (no) 1980-09-22
IN139738B (no) 1976-07-24
AU5744973A (en) 1975-01-09
IE37857B1 (en) 1977-10-26
ZA734342B (en) 1974-05-29
DK133150C (da) 1976-08-30
ES416415A1 (es) 1976-03-01
DE2332973A1 (de) 1974-01-10
GB1430006A (en) 1976-03-31
US3912721A (en) 1975-10-14
JPS5544067B2 (no) 1980-11-10
NO143220C (no) 1981-01-02
AU475133B2 (en) 1976-08-12
FR2190821A1 (no) 1974-02-01
CH602632A5 (no) 1978-07-31
AT326676B (de) 1975-12-29
FR2190821B1 (no) 1978-12-01
IE37857L (en) 1973-12-28
JPS4955683A (no) 1974-05-30
TR17560A (tr) 1975-07-23
ATA569973A (de) 1975-03-15
AR197617A1 (es) 1974-04-23

Similar Documents

Publication Publication Date Title
CA1018524A (en) Method for extracting lactams from acidic reaction mixtures
AU474928B2 (en) Process for recovering isoprene
CA983239A (en) Method for separating isotopes
YU39232B (en) Process for obtaining new gama-glutamyl-p-nitroanilide comounds
CA962220A (en) Process for purifying lactams
ZA734499B (en) Method for electrodialyzing wine
CA1014876A (en) Process for extracting hops
CA989831A (en) Process for removing lactams
CA962623A (en) Process for purifying lactams
GB1401094A (en) Process for separating lactams
YU35453B (en) Process for obtining d-homosteroids
AU457339B2 (en) Process for purifying lactams
CS188179B2 (en) Method for obtaining pure alpha-bisabolole
CS183740B2 (en) Method for obtaining eta-caprolactam
CA1004177A (en) Process for isolating alkylvinylethers
YU38973A (en) Process for obtaining novel lactams
CA1022493A (en) Method for recovering hydroperoxide
CA1006509A (en) Purification process for gn-rh
GB1373023A (en) Process for recovering waxes from oily sludges
GB1405203A (en) Method for isolating r-salt
AU5655773A (en) Reaction method
CA985483A (en) Process for recovering phosphorus
CA899877A (en) Process for purifying lactams
YU35447B (en) Process for obtining m-diozane-5-methylamine
CA889755A (en) Method for purifying a phosphoric-acid extraction solution