JPS54128589A - Recovery of epsilon-caprolactam - Google Patents
Recovery of epsilon-caprolactamInfo
- Publication number
- JPS54128589A JPS54128589A JP3619878A JP3619878A JPS54128589A JP S54128589 A JPS54128589 A JP S54128589A JP 3619878 A JP3619878 A JP 3619878A JP 3619878 A JP3619878 A JP 3619878A JP S54128589 A JPS54128589 A JP S54128589A
- Authority
- JP
- Japan
- Prior art keywords
- aqueous
- caprolactam
- epsilon
- stage
- phase
- 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.)
- Granted
Links
Landscapes
- Other In-Based Heterocyclic Compounds (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53036198A JPS6026103B2 (en) | 1978-03-29 | 1978-03-29 | Method for recovering ε-caprolactam and ammonium sulfate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53036198A JPS6026103B2 (en) | 1978-03-29 | 1978-03-29 | Method for recovering ε-caprolactam and ammonium sulfate |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54128589A true JPS54128589A (en) | 1979-10-05 |
JPS6026103B2 JPS6026103B2 (en) | 1985-06-21 |
Family
ID=12463024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53036198A Expired JPS6026103B2 (en) | 1978-03-29 | 1978-03-29 | Method for recovering ε-caprolactam and ammonium sulfate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6026103B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997030028A3 (en) * | 1996-02-17 | 1997-09-25 | Dsm Nv | Recovery of epsilon-caprolactam from aqueous mixtures |
EP0826665A1 (en) * | 1996-09-02 | 1998-03-04 | Dsm N.V. | Recovery of epsilon-caprolactam from aqueous mixtures |
CN103864689A (en) * | 2012-12-07 | 2014-06-18 | 帝斯曼知识产权资产管理有限公司 | Method for preparing caprolactam |
WO2014206862A1 (en) * | 2013-06-28 | 2014-12-31 | Dsm Ip Assets B.V. | Continuous process for recovery of solvent from gases exhausting from an ammonium sulfate production process |
EP3862321A1 (en) * | 2020-02-07 | 2021-08-11 | Cap Iii B.V. | Ammonium sulphate production on industrial scale |
-
1978
- 1978-03-29 JP JP53036198A patent/JPS6026103B2/en not_active Expired
Non-Patent Citations (1)
Title |
---|
CAPROLATAM SUPPLEMENT A=1968US * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997030028A3 (en) * | 1996-02-17 | 1997-09-25 | Dsm Nv | Recovery of epsilon-caprolactam from aqueous mixtures |
EP0826665A1 (en) * | 1996-09-02 | 1998-03-04 | Dsm N.V. | Recovery of epsilon-caprolactam from aqueous mixtures |
CN103864689A (en) * | 2012-12-07 | 2014-06-18 | 帝斯曼知识产权资产管理有限公司 | Method for preparing caprolactam |
WO2014206862A1 (en) * | 2013-06-28 | 2014-12-31 | Dsm Ip Assets B.V. | Continuous process for recovery of solvent from gases exhausting from an ammonium sulfate production process |
EP3862321A1 (en) * | 2020-02-07 | 2021-08-11 | Cap Iii B.V. | Ammonium sulphate production on industrial scale |
WO2021156371A1 (en) * | 2020-02-07 | 2021-08-12 | Cap Iii B.V. | Ammonium sulphate production on industrial scale |
Also Published As
Publication number | Publication date |
---|---|
JPS6026103B2 (en) | 1985-06-21 |
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