CA2335114A1 - Separation of epsilon caprolactam from isomers - Google Patents

Separation of epsilon caprolactam from isomers Download PDF

Info

Publication number
CA2335114A1
CA2335114A1 CA002335114A CA2335114A CA2335114A1 CA 2335114 A1 CA2335114 A1 CA 2335114A1 CA 002335114 A CA002335114 A CA 002335114A CA 2335114 A CA2335114 A CA 2335114A CA 2335114 A1 CA2335114 A1 CA 2335114A1
Authority
CA
Canada
Prior art keywords
epsilon caprolactam
caprolactam
adsorbent
epsilon
ethyl
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.)
Abandoned
Application number
CA002335114A
Other languages
English (en)
French (fr)
Inventor
George Ernest Ii Keller
Jay Fingeret Miller
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Individual
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
Priority claimed from US09/094,651 external-priority patent/US6045703A/en
Priority claimed from US09/094,650 external-priority patent/US6036865A/en
Application filed by Individual filed Critical Individual
Publication of CA2335114A1 publication Critical patent/CA2335114A1/en
Abandoned 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Hydrogenated Pyridines (AREA)
CA002335114A 1998-06-15 1999-06-14 Separation of epsilon caprolactam from isomers Abandoned CA2335114A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/094,651 US6045703A (en) 1998-06-15 1998-06-15 Separation processes
US09/094,651 1998-06-15
US09/094,650 US6036865A (en) 1998-06-15 1998-06-15 Separation processes
US09/094,650 1998-06-15
PCT/US1999/013407 WO1999065873A1 (en) 1998-06-15 1999-06-14 Separation of epsilon caprolactam from isomers

Publications (1)

Publication Number Publication Date
CA2335114A1 true CA2335114A1 (en) 1999-12-23

Family

ID=26789113

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002335114A Abandoned CA2335114A1 (en) 1998-06-15 1999-06-14 Separation of epsilon caprolactam from isomers

Country Status (10)

Country Link
EP (1) EP1087942A1 (id)
JP (1) JP2002518372A (id)
KR (1) KR20010052680A (id)
CN (1) CN1312798A (id)
AU (1) AU5082599A (id)
BR (1) BR9911231A (id)
CA (1) CA2335114A1 (id)
ID (1) ID29234A (id)
PL (1) PL344860A1 (id)
WO (1) WO1999065873A1 (id)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10021192A1 (de) * 2000-05-03 2001-11-08 Basf Ag Verfahren zur Herstellung von Caprolactam
DE10021199A1 (de) 2000-05-03 2001-11-08 Basf Ag Verfahren zur Herstellung von Caprolactam
DE10253095A1 (de) 2002-11-13 2004-06-17 Basf Ag Verfahren zur Reinigung von Caprolactam
DE10253094A1 (de) 2002-11-13 2004-05-27 Basf Ag Verfahren zur Reinigung von Caprolactam
CN101070298B (zh) * 2006-05-12 2012-01-25 中国石油化工股份有限公司 一种ε-己内酰胺的提纯精制方法
MX2011002445A (es) 2008-09-04 2011-04-21 Dsm Ip Assets Bv Lavado de una fase organica que comprende caprolactama.
CN102307645B (zh) 2009-02-06 2015-03-18 浦项工科大学校产学协力团 通过钠沸石类沸石选择性分离氢气或氦气的方法及新型钠沸石类沸石
KR101130120B1 (ko) * 2009-09-10 2012-03-28 포항공과대학교 산학협력단 나트로라이트계 제올라이트에 의한 수소 또는 헬륨의 선택적 분리방법 및 새로운 나트로라이트계 제올라이트
JP2011201865A (ja) * 2010-03-02 2011-10-13 Sumitomo Chemical Co Ltd ε−カプロラクタムの製造方法
CN108658863A (zh) * 2018-04-24 2018-10-16 河北美邦工程科技股份有限公司 一种利用熔融结晶法提纯己内酰胺的方法
CN111574419B (zh) * 2020-06-16 2021-08-27 河北美邦工程科技股份有限公司 己内酰胺单体的回收精制方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824207A (en) * 1956-03-06 1959-11-25 Basf Ag Improvements in or relating to dilactams and polyamides prepared therefrom
TW268941B (id) * 1993-08-20 1996-01-21 Sumitomo Chemical Co
JPH1135554A (ja) * 1997-07-15 1999-02-09 Unitika Ltd ε−カプロラクタムの回収方法

Also Published As

Publication number Publication date
EP1087942A1 (en) 2001-04-04
KR20010052680A (ko) 2001-06-25
JP2002518372A (ja) 2002-06-25
BR9911231A (pt) 2001-03-06
CN1312798A (zh) 2001-09-12
PL344860A1 (en) 2001-11-19
WO1999065873A1 (en) 1999-12-23
AU5082599A (en) 2000-01-05
ID29234A (id) 2001-08-16

Similar Documents

Publication Publication Date Title
KR100514026B1 (ko) 아크릴산및메타크릴산의정제
EP1016658B1 (en) Process for producing E-caprolactam
CN100354266C (zh) ε－己内酰胺的制备方法
US20110124855A1 (en) Method for isolation of laurolactam from a laurolactam synthesis process stream
CA2335114A1 (en) Separation of epsilon caprolactam from isomers
US6045703A (en) Separation processes
KR960001908B1 (ko) 2,6-디메틸나프탈렌을 분리하는 방법
EP0442181B1 (en) Separation of hydroxy paraffinic dicarboxylic acids from olefinic dicarboxylic acids
US6036865A (en) Separation processes
JPH083119A (ja) 炭酸ジフエニルの精製方法
US7605296B2 (en) Method for separating and purifying 2,6-dimethylnaphthalene
JP4647572B2 (ja) 異性化反応および結晶化工程を含む２，６−ジメチルナフタレンの分離および精製方法
US4282381A (en) Process for purifying hexamethylenediamine
US3839408A (en) Continuous purification of adiponitrile
EP1280768B1 (de) Verfahren zur herstellung von caprolactam aus 6-aminocapronitril
CA1144568A (en) Bulk cyclohexanol/cyclohexanone separation by selective adsorption on zeolitic molecular sieves
MXPA00012366A (es) Separacion de epsilon-caprolactama desde isomeros
WO2001083443A1 (de) Verfahren zur herstellung von caprolactam aus 6-aminocapronitril und nachträgliche reinigung durch kristallisation
RU2427570C2 (ru) Способ очистки эпсилон-капролактама
JP2000247948A (ja) ε−カプロラクタムの精製方法及びε−カプロラクタムの製造方法
EP0757047A2 (en) Process for crystallizing chroman-I from an impure mixture
JPH0665113A (ja) ２，６−ジメチルナフタレンの分離方法
JPH0788324B2 (ja) ２，６―ジメチルナフタレンの分離方法
JPH0426635A (ja) ２，６―ジアルキルナフタレンの分離方法

Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead