JPS6047253B2 - ε−カプロラクタムの回収方法 - Google Patents

ε−カプロラクタムの回収方法

Info

Publication number
JPS6047253B2
JPS6047253B2 JP52006685A JP668577A JPS6047253B2 JP S6047253 B2 JPS6047253 B2 JP S6047253B2 JP 52006685 A JP52006685 A JP 52006685A JP 668577 A JP668577 A JP 668577A JP S6047253 B2 JPS6047253 B2 JP S6047253B2
Authority
JP
Japan
Prior art keywords
sulfuric acid
ammonium
caprolactam
mixture
tube
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
JP52006685A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5295686A (en
Inventor
ビイラム・ジヨセフ・ワセン
レイジヤ−・ゴ−トツシユ
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 BV filed Critical Stamicarbon BV
Publication of JPS5295686A publication Critical patent/JPS5295686A/ja
Publication of JPS6047253B2 publication Critical patent/JPS6047253B2/ja
Expired 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)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Removal Of Specific Substances (AREA)
JP52006685A 1976-02-03 1977-01-24 ε−カプロラクタムの回収方法 Expired JPS6047253B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7601061A NL7601061A (nl) 1976-02-03 1976-02-03 Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel.
NL7601061 1976-02-03

Publications (2)

Publication Number Publication Date
JPS5295686A JPS5295686A (en) 1977-08-11
JPS6047253B2 true JPS6047253B2 (ja) 1985-10-21

Family

ID=19825559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52006685A Expired JPS6047253B2 (ja) 1976-02-03 1977-01-24 ε−カプロラクタムの回収方法

Country Status (15)

Country Link
US (1) US4081442A (https=)
JP (1) JPS6047253B2 (https=)
AR (1) AR210197A1 (https=)
BE (1) BE850374A (https=)
BR (1) BR7700655A (https=)
CA (1) CA1084919A (https=)
CH (1) CH626063A5 (https=)
DE (1) DE2704561A1 (https=)
ES (1) ES455523A1 (https=)
FR (1) FR2351959A1 (https=)
GB (1) GB1506139A (https=)
IT (1) IT1083460B (https=)
MX (1) MX144993A (https=)
NL (1) NL7601061A (https=)
SU (1) SU712023A3 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
DE2900426A1 (de) * 1978-01-10 1979-07-12 Inst Francais Du Petrol Verfahren zur umwandlung von ammonium- imidodisulfat, ammoniumsulfamat und ammoniumdithionat in schwefeldioxid und ammoniak
US4677074A (en) * 1984-06-21 1987-06-30 The Lubrizol Corporation Process for reducing sulfur-containing contaminants in sulfonated hydrocarbons
FR2786180B1 (fr) * 1998-11-19 2001-11-23 Rhone Poulenc Fibres Procede de traitement de lactames et procede de purification d'un lactame
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264060A (en) * 1966-08-02 Simultaneous recovery of pure ammoni- um sulfate and pure lactams from re- arrangement mixtures of alicyclic ketoximes
DE850746C (de) * 1944-12-17 1952-09-29 Basf Ag Verfahren zum Aufarbeiten von durch Basen verunreinigten Lactamen
US2723266A (en) * 1952-05-15 1955-11-08 British Celanese Process for producing amides and lactams
NL132894C (https=) * 1961-08-30 1900-01-01
DE1220398B (de) * 1962-11-15 1966-07-07 Roehm & Haas Gmbh Gewinnung von Ammoniak und Schwefeldioxyd aus Ammoniumbisulfat enthaltenden Abfallschwefelsaeuren
GB1040807A (en) * 1963-07-03 1966-09-01 Toyo Rayon Co Ltd Process for refining crude lactams
NL6403701A (https=) * 1964-04-08 1965-10-11
NL7008837A (https=) * 1970-06-17 1971-12-21
US3725391A (en) * 1970-11-30 1973-04-03 Toray Industries Process for the preparation of lactams from cycloalkanone oximes
CA989830A (en) * 1971-05-07 1976-05-25 Abraham H. De Rooij Process for preparing and recovering lactams
FR2138545B1 (https=) * 1971-05-27 1973-05-25 Inst Francais Du Petrole
DE2130036B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000 Köln Verfahren zur herstellung von lactamen
BE790692A (fr) * 1971-10-29 1973-04-27 Stamicarbon Procede d'obtention de lactames purs
US3859278A (en) * 1972-12-11 1975-01-07 Stamicarbon Process for separating lactams
CH593934A5 (https=) * 1974-09-03 1977-12-30 Inventa Ag

Also Published As

Publication number Publication date
MX144993A (es) 1981-12-10
SU712023A3 (ru) 1980-01-25
BE850374A (nl) 1977-07-14
FR2351959A1 (fr) 1977-12-16
CA1084919A (en) 1980-09-02
BR7700655A (pt) 1977-10-11
JPS5295686A (en) 1977-08-11
DE2704561A1 (de) 1977-08-04
CH626063A5 (https=) 1981-10-30
NL7601061A (nl) 1977-08-05
AR210197A1 (es) 1977-06-30
ES455523A1 (es) 1978-01-16
GB1506139A (en) 1978-04-05
IT1083460B (it) 1985-05-21
FR2351959B1 (https=) 1981-12-24
US4081442A (en) 1978-03-28

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