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DE69424474D1 - Hydrierungsverfahren zur Reinigung einer Mischung von Wasser und Caprolactam - Google Patents

Hydrierungsverfahren zur Reinigung einer Mischung von Wasser und Caprolactam

Info

Publication number
DE69424474D1
DE69424474D1 DE69424474T DE69424474T DE69424474D1 DE 69424474 D1 DE69424474 D1 DE 69424474D1 DE 69424474 T DE69424474 T DE 69424474T DE 69424474 T DE69424474 T DE 69424474T DE 69424474 D1 DE69424474 D1 DE 69424474D1
Authority
DE
Germany
Prior art keywords
mixture
caprolactam
water
epsilon
hydrogen
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 - Lifetime
Application number
DE69424474T
Other languages
English (en)
Other versions
DE69424474T2 (de
Inventor
Marcellinus P G Thijert
Der Knaap Theodorus A Van
Johannes F Haverkort
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.)
DSM IP Assets BV
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
Publication of DE69424474D1 publication Critical patent/DE69424474D1/de
Application granted granted Critical
Publication of DE69424474T2 publication Critical patent/DE69424474T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
DE69424474T 1993-07-19 1994-07-13 Hydrierungsverfahren zur Reinigung einer Mischung von Wasser und Caprolactam Expired - Lifetime DE69424474T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9300752A BE1007298A3 (nl) 1993-07-19 1993-07-19 Werkwijze voor het zuiveren van een water-epsilon-caprolactam mengsel.

Publications (2)

Publication Number Publication Date
DE69424474D1 true DE69424474D1 (de) 2000-06-21
DE69424474T2 DE69424474T2 (de) 2001-02-08

Family

ID=3887203

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424474T Expired - Lifetime DE69424474T2 (de) 1993-07-19 1994-07-13 Hydrierungsverfahren zur Reinigung einer Mischung von Wasser und Caprolactam

Country Status (17)

Country Link
US (1) US5539106A (de)
EP (1) EP0635487B1 (de)
JP (1) JP3523332B2 (de)
KR (1) KR100332435B1 (de)
CN (1) CN1052223C (de)
AT (1) ATE193014T1 (de)
BE (1) BE1007298A3 (de)
BR (1) BR9402855A (de)
CZ (1) CZ286172B6 (de)
DE (1) DE69424474T2 (de)
ES (1) ES2148276T3 (de)
HU (1) HU216972B (de)
PL (1) PL176951B1 (de)
RU (1) RU2114826C1 (de)
SK (1) SK281236B6 (de)
TW (1) TW311135B (de)
UA (1) UA27131C2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623662A1 (de) * 1996-06-13 1997-12-18 Basf Ag Verfahren zur Reinigung von epsilon-Caprolactam
BE1011047A3 (nl) * 1997-03-17 1999-04-06 Dsm Nv Werkwijze voor het zuiveren van caprolactam.
NL1005927C2 (nl) * 1997-04-29 1998-11-02 Dsm Nv Werkwijze voor het winnen van caprolactam uit een geneutraliseerd omlegmengsel.
US5990306A (en) * 1997-09-03 1999-11-23 Alliedsignal Inc. Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
FR2781476B1 (fr) * 1998-07-22 2000-09-22 Rhone Poulenc Fibres Procede de distillation d'ammoniac contenu dans un melange comprenant du caprolactame
JP4182273B2 (ja) * 2000-06-27 2008-11-19 住友化学株式会社 ε−カプロラクタムの製造方法
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
MXPA06001028A (es) * 2003-07-25 2006-04-27 Dsm Ip Assets Bv Procesos para purificar caprolactamas.
CN105315213B (zh) 2010-03-15 2018-04-20 宇部兴产株式会社 制备酰胺化合物的方法
CN102432536B (zh) * 2010-09-29 2013-09-25 中国石油化工股份有限公司 一种己内酰胺加氢精制方法
CN102432537B (zh) * 2010-09-29 2013-09-25 中国石油化工股份有限公司 一种己内酰胺加氢处理方法
CN103086968A (zh) * 2013-02-22 2013-05-08 湖南百利工程科技股份有限公司 一种固定床加氢精制己内酰胺的方法
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
TW202342427A (zh) 2022-01-28 2023-11-01 荷蘭商卡普三世責任有限公司 用於回收來自含尼龍6之多組分材料的ε-己內醯胺之方法
EP4306585A1 (de) 2022-07-11 2024-01-17 Cap Iii B.V. Verfahren zur rückgewinnung von epsilon-caprolactam und polyether-polyurethan aus polyamid-6- und polyether-polyurethan-haltigen materialien
EP4306586A1 (de) 2022-07-11 2024-01-17 Cap Iii B.V. Verfahren zur rückgewinnung von spandex und nylon aus spandex- und nylon-haltigen materialien

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1332193A (de) * 1963-12-16
US2786052A (en) * 1957-03-19 Process of purifying caprolactam
FR1337527A (fr) * 1962-08-27 1963-09-13 Snia Viscosa Procédé de purification du caprolactame
FR1388442A (fr) * 1964-04-08 1965-02-05 Toyo Rayon Co Ltd Procédé de purification de lactames bruts
NL8303028A (nl) * 1983-08-31 1985-03-18 Stamicarbon Winning van caprolactam uit caprolactam-bevattend destillatie-residu.
DE3925575A1 (de) * 1989-08-02 1991-02-07 Basf Ag Verfahren zur kontinuierlichen reinigung von caprolactam
US20040117234A1 (en) * 2002-10-11 2004-06-17 Xerox Corporation System and method for content management assessment

Also Published As

Publication number Publication date
RU94026080A (ru) 1996-06-20
EP0635487B1 (de) 2000-05-17
EP0635487A1 (de) 1995-01-25
CN1052223C (zh) 2000-05-10
HU9402121D0 (en) 1994-09-28
KR100332435B1 (ko) 2002-11-13
RU2114826C1 (ru) 1998-07-10
DE69424474T2 (de) 2001-02-08
PL304347A1 (en) 1995-01-23
SK84794A3 (en) 1995-02-08
ES2148276T3 (es) 2000-10-16
KR950003268A (ko) 1995-02-16
JPH0753510A (ja) 1995-02-28
TW311135B (de) 1997-07-21
BE1007298A3 (nl) 1995-05-09
US5539106A (en) 1996-07-23
CN1105987A (zh) 1995-08-02
HUT68183A (en) 1995-05-29
CZ286172B6 (cs) 2000-02-16
BR9402855A (pt) 1995-04-04
HU216972B (hu) 1999-10-28
SK281236B6 (sk) 2001-01-18
PL176951B1 (pl) 1999-08-31
ATE193014T1 (de) 2000-06-15
CZ173194A3 (en) 1995-02-15
UA27131C2 (uk) 2000-02-28
JP3523332B2 (ja) 2004-04-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DSM IP ASSETS B.V., HEERLEN, NL