JPH0149349B2 - - Google Patents
Info
- Publication number
- JPH0149349B2 JPH0149349B2 JP5432184A JP5432184A JPH0149349B2 JP H0149349 B2 JPH0149349 B2 JP H0149349B2 JP 5432184 A JP5432184 A JP 5432184A JP 5432184 A JP5432184 A JP 5432184A JP H0149349 B2 JPH0149349 B2 JP H0149349B2
- Authority
- JP
- Japan
- Prior art keywords
- caprolactam
- sulfuric acid
- acid
- distilled
- solution
- 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.)
- Expired
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5432184A JPS60199873A (ja) | 1984-03-23 | 1984-03-23 | ε−カプロラクタムの回収方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5432184A JPS60199873A (ja) | 1984-03-23 | 1984-03-23 | ε−カプロラクタムの回収方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60199873A JPS60199873A (ja) | 1985-10-09 |
| JPH0149349B2 true JPH0149349B2 (enrdf_load_stackoverflow) | 1989-10-24 |
Family
ID=12967321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5432184A Granted JPS60199873A (ja) | 1984-03-23 | 1984-03-23 | ε−カプロラクタムの回収方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60199873A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2601945B2 (ja) * | 1990-11-21 | 1997-04-23 | 宇部興産株式会社 | ラクタム油の精製方法 |
| EP0826665A1 (en) * | 1996-09-02 | 1998-03-04 | Dsm N.V. | Recovery of epsilon-caprolactam from aqueous mixtures |
| TW420662B (en) * | 1996-02-17 | 2001-02-01 | Du Pont | Recovery of <epsilon>-caprolactam |
| ATE375959T1 (de) * | 1999-08-17 | 2007-11-15 | Dsm Ip Assets Bv | Verfahren zur behandlung einer ammoniumsulfatlösung und eine wässrige lactamphase enthaltendes gemisch |
| CN109678754B (zh) * | 2017-10-19 | 2021-09-07 | 万华化学集团股份有限公司 | 一种11-氰基十一酸的制备方法 |
-
1984
- 1984-03-23 JP JP5432184A patent/JPS60199873A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60199873A (ja) | 1985-10-09 |
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