IN2012DN05159A - - Google Patents

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Publication number
IN2012DN05159A
IN2012DN05159A IN5159DEN2012A IN2012DN05159A IN 2012DN05159 A IN2012DN05159 A IN 2012DN05159A IN 5159DEN2012 A IN5159DEN2012 A IN 5159DEN2012A IN 2012DN05159 A IN2012DN05159 A IN 2012DN05159A
Authority
IN
India
Prior art keywords
membranes
caprolactam
membrane
permeate
retentate
Prior art date
Application number
Other languages
English (en)
Inventor
Maria Elena Avramescu
Johan Thomas Tinge
Original Assignee
Dsm Ip Assets 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 Dsm Ip Assets Bv filed Critical Dsm Ip Assets Bv
Publication of IN2012DN05159A publication Critical patent/IN2012DN05159A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D223/08—Oxygen atoms
    • C07D223/10—Oxygen atoms attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/14—Preparation of salts or adducts of lactams

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
IN5159DEN2012 2009-12-18 2010-12-17 IN2012DN05159A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09179903 2009-12-18
PCT/EP2010/070097 WO2011073400A2 (en) 2009-12-18 2010-12-17 Caprolactam recovery with membrane treatment

Publications (1)

Publication Number Publication Date
IN2012DN05159A true IN2012DN05159A (ko) 2015-10-23

Family

ID=42174487

Family Applications (1)

Application Number Title Priority Date Filing Date
IN5159DEN2012 IN2012DN05159A (ko) 2009-12-18 2010-12-17

Country Status (9)

Country Link
US (1) US20130211072A1 (ko)
EP (1) EP2513050A2 (ko)
JP (1) JP2013514335A (ko)
KR (1) KR101810704B1 (ko)
CN (1) CN102666483A (ko)
EA (1) EA201200915A1 (ko)
IN (1) IN2012DN05159A (ko)
TW (1) TWI565516B (ko)
WO (1) WO2011073400A2 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104071948B (zh) * 2014-06-25 2016-04-27 江苏久吾高科技股份有限公司 一种利用膜技术处理己内酰胺废水的方法及装置
CN108341763B (zh) * 2018-04-24 2020-12-01 河北美邦工程科技股份有限公司 一种己内酰胺结晶纯化方法
CN110964492B (zh) * 2018-09-29 2022-04-12 中国石油化工股份有限公司 一种溶硫剂及其制备方法和应用
CN114805207A (zh) * 2022-04-14 2022-07-29 山东华鲁恒升化工股份有限公司 一种利用膜分离技术除去重排液中硫酸的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523261A (en) 1975-06-24 1977-01-11 Sumitomo Chem Co Ltd Purification method for polluted water
JPS59115704A (ja) 1982-12-24 1984-07-04 Toray Ind Inc 半透膜の処理法
NL1005927C2 (nl) * 1997-04-29 1998-11-02 Dsm Nv Werkwijze voor het winnen van caprolactam uit een geneutraliseerd omlegmengsel.
NL1011936C2 (nl) * 1999-04-29 2000-10-31 Dsm Nv Werkwijze voor het bereiden van caprolactam.
CN1262539C (zh) 2001-03-01 2006-07-05 Dsmip财产有限公司 从有机溶剂中回收和纯化己内酰胺的方法
CN101570503B (zh) * 2008-11-11 2011-04-27 广东新会美达锦纶股份有限公司 一种低浓度己内酰胺水溶液的浓缩方法

Also Published As

Publication number Publication date
KR20120112544A (ko) 2012-10-11
TW201129418A (en) 2011-09-01
WO2011073400A3 (en) 2011-09-09
JP2013514335A (ja) 2013-04-25
WO2011073400A2 (en) 2011-06-23
US20130211072A1 (en) 2013-08-15
KR101810704B1 (ko) 2017-12-19
TWI565516B (zh) 2017-01-11
EA201200915A1 (ru) 2012-12-28
CN102666483A (zh) 2012-09-12
EP2513050A2 (en) 2012-10-24

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