KR101810704B1 - 막 처리에 의한 카프로락탐 회수방법 - Google Patents

막 처리에 의한 카프로락탐 회수방법 Download PDF

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Publication number
KR101810704B1
KR101810704B1 KR1020127018141A KR20127018141A KR101810704B1 KR 101810704 B1 KR101810704 B1 KR 101810704B1 KR 1020127018141 A KR1020127018141 A KR 1020127018141A KR 20127018141 A KR20127018141 A KR 20127018141A KR 101810704 B1 KR101810704 B1 KR 101810704B1
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South Korea
Prior art keywords
caprolactam
membrane
permeate
aqueous solution
film
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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.)
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KR1020127018141A
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English (en)
Korean (ko)
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KR20120112544A (ko
Inventor
마리아 엘레나 아브라메스쿠
요한 토마스 틴게
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캡 쓰리 비 브이
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Publication of KR20120112544A publication Critical patent/KR20120112544A/ko
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    • 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
    • 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
    • C07D201/14—Preparation of salts or adducts of lactams

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
KR1020127018141A 2009-12-18 2010-12-17 막 처리에 의한 카프로락탐 회수방법 Active KR101810704B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EPEP09179903.1 2009-12-18
EP09179903 2009-12-18
PCT/EP2010/070097 WO2011073400A2 (en) 2009-12-18 2010-12-17 Caprolactam recovery with membrane treatment

Publications (2)

Publication Number Publication Date
KR20120112544A KR20120112544A (ko) 2012-10-11
KR101810704B1 true KR101810704B1 (ko) 2017-12-19

Family

ID=42174487

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020127018141A Active KR101810704B1 (ko) 2009-12-18 2010-12-17 막 처리에 의한 카프로락탐 회수방법

Country Status (9)

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

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072678A (en) 1975-06-24 1978-02-07 Sumitomo Chemical Company, Limited Process for producing caprolactam
WO2000066561A1 (en) * 1999-04-29 2000-11-09 Dsm N.V. Process for the preparation of caprolactam
CN101570503A (zh) * 2008-11-11 2009-11-04 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
PL206266B1 (pl) 2001-03-01 2010-07-30 Dsm Ip Assets Bvdsm Ip Assets Bv Sposób odzyskiwania i oczyszczania kaprolaktamu z rozpuszczalnika organicznego

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072678A (en) 1975-06-24 1978-02-07 Sumitomo Chemical Company, Limited Process for producing caprolactam
WO2000066561A1 (en) * 1999-04-29 2000-11-09 Dsm N.V. Process for the preparation of caprolactam
CN101570503A (zh) * 2008-11-11 2009-11-04 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
CN102666483A (zh) 2012-09-12
TWI565516B (zh) 2017-01-11
JP2013514335A (ja) 2013-04-25
EP2513050A2 (en) 2012-10-24
US20130211072A1 (en) 2013-08-15
EA201200915A1 (ru) 2012-12-28
WO2011073400A2 (en) 2011-06-23
IN2012DN05159A (enExample) 2015-10-23
WO2011073400A3 (en) 2011-09-09
KR20120112544A (ko) 2012-10-11
TW201129418A (en) 2011-09-01

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