BR9402855A - Processo para a purificação epsílon-caprolactama - Google Patents

Processo para a purificação epsílon-caprolactama

Info

Publication number
BR9402855A
BR9402855A BR9402855A BR9402855A BR9402855A BR 9402855 A BR9402855 A BR 9402855A BR 9402855 A BR9402855 A BR 9402855A BR 9402855 A BR9402855 A BR 9402855A BR 9402855 A BR9402855 A BR 9402855A
Authority
BR
Brazil
Prior art keywords
caprolactam
epsilon
mixture
hydrogen
water
Prior art date
Application number
BR9402855A
Other languages
English (en)
Inventor
Marcellinus Plechelmus Thijert
Der Knaap Theodorus Albert Van
Johannes Franciscus Haverkort
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 BR9402855A publication Critical patent/BR9402855A/pt

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)
BR9402855A 1993-07-19 1994-07-20 Processo para a purificação epsílon-caprolactama BR9402855A (pt)

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 (1)

Publication Number Publication Date
BR9402855A true BR9402855A (pt) 1995-04-04

Family

ID=3887203

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9402855A BR9402855A (pt) 1993-07-19 1994-07-20 Processo para a purificação epsílon-caprolactama

Country Status (17)

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

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
EA010504B1 (ru) * 2003-07-25 2008-10-30 ДСМ Ай Пи ЭССЕТС Б.В. Способ очистки капролактама
WO2011115132A1 (ja) 2010-03-15 2011-09-22 宇部興産株式会社 アミド化合物の製造方法
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
EP4306586A1 (en) 2022-07-11 2024-01-17 Cap Iii B.V. Process for the recovery of spandex and nylon from spandex and nylon comprising materials
EP4306585A1 (en) 2022-07-11 2024-01-17 Cap Iii B.V. Process for the recovery of epsilon-caprolactam and polyether polyurethane from polyamide 6 and polyether polyurethane comprising materials

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786052A (en) * 1957-03-19 Process of purifying caprolactam
FR1332193A (pt) * 1963-12-16
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
EP0635487A1 (en) 1995-01-25
KR100332435B1 (ko) 2002-11-13
JP3523332B2 (ja) 2004-04-26
DE69424474T2 (de) 2001-02-08
EP0635487B1 (en) 2000-05-17
ATE193014T1 (de) 2000-06-15
HU9402121D0 (en) 1994-09-28
KR950003268A (ko) 1995-02-16
SK84794A3 (en) 1995-02-08
UA27131C2 (uk) 2000-02-28
TW311135B (pt) 1997-07-21
CZ173194A3 (en) 1995-02-15
BE1007298A3 (nl) 1995-05-09
PL176951B1 (pl) 1999-08-31
RU94026080A (ru) 1996-06-20
CN1052223C (zh) 2000-05-10
JPH0753510A (ja) 1995-02-28
HU216972B (hu) 1999-10-28
DE69424474D1 (de) 2000-06-21
CZ286172B6 (cs) 2000-02-16
PL304347A1 (en) 1995-01-23
ES2148276T3 (es) 2000-10-16
HUT68183A (en) 1995-05-29
RU2114826C1 (ru) 1998-07-10
US5539106A (en) 1996-07-23
CN1105987A (zh) 1995-08-02
SK281236B6 (sk) 2001-01-18

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25A Requested transfer of rights approved

Free format text: DSM IP ASSETS B.V. (NL)

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 20/07/2014