DK0627417T3 - Genvinding af E-caprolactam fra tæppeaffald - Google Patents

Genvinding af E-caprolactam fra tæppeaffald

Info

Publication number
DK0627417T3
DK0627417T3 DK94201576T DK94201576T DK0627417T3 DK 0627417 T3 DK0627417 T3 DK 0627417T3 DK 94201576 T DK94201576 T DK 94201576T DK 94201576 T DK94201576 T DK 94201576T DK 0627417 T3 DK0627417 T3 DK 0627417T3
Authority
DK
Denmark
Prior art keywords
caprolactam
recovery
carpet waste
epsilon
mixture
Prior art date
Application number
DK94201576T
Other languages
English (en)
Inventor
Antoon Hendrik Theres Halderit
Martin Booij
Jan Agnes Jozef Hendrix
Yvonne Helene Frentzen
Original Assignee
Dsm Nv
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 Dsm Nv filed Critical Dsm Nv
Application granted granted Critical
Publication of DK0627417T3 publication Critical patent/DK0627417T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/12—Preparation of lactams by depolymerising polyamides
    • 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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyamides (AREA)
  • Carpets (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
DK94201576T 1993-06-04 1994-06-02 Genvinding af E-caprolactam fra tæppeaffald DK0627417T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9300963 1993-06-04

Publications (1)

Publication Number Publication Date
DK0627417T3 true DK0627417T3 (da) 2000-03-13

Family

ID=19862486

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94201576T DK0627417T3 (da) 1993-06-04 1994-06-02 Genvinding af E-caprolactam fra tæppeaffald

Country Status (7)

Country Link
US (1) US5556890A (da)
EP (1) EP0627417B1 (da)
AT (1) ATE183501T1 (da)
DE (1) DE69420075T2 (da)
DK (1) DK0627417T3 (da)
ES (1) ES2136697T3 (da)
SG (1) SG50773A1 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000781C2 (nl) * 1995-07-12 1997-01-14 Dsm Nv Werkwijze voor het winnen van caprolactam uit nylon-6 bevattende afval.
US5681952A (en) * 1995-12-08 1997-10-28 Alliedsignal Inc. Process for depolymerizing nylon-containing waste to form caprolactam
US5948908A (en) * 1996-03-18 1999-09-07 Alliedsignal Inc. Process for depolymerizing polycaprolactam processing waste to form caprolactam
US5990306A (en) 1997-09-03 1999-11-23 Alliedsignal Inc. Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
DE19753377B4 (de) * 1997-12-02 2008-07-10 Lurgi Zimmer Gmbh Verfahren zur Herstellung von ε-Caprolactam aus Extraktwasser der PA-6-Synthese
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
EA010504B1 (ru) * 2003-07-25 2008-10-30 ДСМ Ай Пи ЭССЕТС Б.В. Способ очистки капролактама
TW202342428A (zh) * 2022-01-28 2023-11-01 荷蘭商卡普三世責任有限公司 用於回收來自包含聚醯胺６漁網的ε－己內醯胺之方法
TW202342429A (zh) * 2022-01-28 2023-11-01 荷蘭商卡普三世責任有限公司 用於回收來自包含尼龍６之漁網的ε-己內醯胺之方法
EP4306510A1 (en) * 2022-07-11 2024-01-17 Cap Iii B.V. Process for the recovery of epsilon-caprolactam from nylon 6-containing multi-component material

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253716B (de) * 1961-09-28 1967-11-09 Basf Ag Verfahren zur Reinigung von Lactamen
DE1244024B (de) * 1962-06-29 1967-07-06 Deutsche Telephonwerk Kabel Schaltungsanordnung zur selbsttaetigen Fest- und Einstellung eines Messbereichs von elektrischen Strom- und Spannungs-Messeinrichtungen in Fernmelde- bzw. Fernmessanlagen
GB1172997A (en) * 1966-07-22 1969-12-03 Ici Ltd Monomeric Compounds from Polyamides
GB1271041A (en) * 1968-09-10 1972-04-19 Courtaulds Ltd Improvements in and relating to the manufacturing of polycaproamide
JPS5313636B2 (da) * 1973-10-01 1978-05-11
DE2440243C2 (de) * 1974-08-22 1985-05-02 Dr. Illing GmbH & Co KG Makromolekulare Chemie, 6114 Groß-Umstadt Verfahren zur Herstellung von Caprolactam aus Polycaprolactam
JPS52108991A (en) * 1976-03-09 1977-09-12 Toyobo Co Ltd Purification of lactam
JPS52111585A (en) * 1976-03-11 1977-09-19 Toyobo Co Ltd Purification of lactam
JPS53132585A (en) * 1977-04-21 1978-11-18 Toyobo Co Ltd Recovery of epsilon-caprolactam
NL8303028A (nl) * 1983-08-31 1985-03-18 Stamicarbon Winning van caprolactam uit caprolactam-bevattend destillatie-residu.
JPH01121801A (ja) * 1987-11-06 1989-05-15 Matsushita Electric Ind Co Ltd カラーフィルタの製造法
JPH01167807A (ja) * 1987-12-24 1989-07-03 Matsushita Electric Ind Co Ltd カラーフィルタの製造方法
DE3925575A1 (de) * 1989-08-02 1991-02-07 Basf Ag Verfahren zur kontinuierlichen reinigung von caprolactam
US5169870A (en) * 1991-06-21 1992-12-08 Basf Corporation Reclaiming ε-caprolactam from nylon 6 carpet

Also Published As

Publication number Publication date
ES2136697T3 (es) 1999-12-01
EP0627417A1 (en) 1994-12-07
DE69420075T2 (de) 2000-04-13
US5556890A (en) 1996-09-17
EP0627417B1 (en) 1999-08-18
ATE183501T1 (de) 1999-09-15
SG50773A1 (en) 1998-07-20
DE69420075D1 (de) 1999-09-23

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