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 (cs) | 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 (cs) |
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 |
| TW420662B (en) * | 1996-02-17 | 2001-02-01 | Du Pont | Recovery of <epsilon>-caprolactam |
| EP0826665A1 (en) * | 1996-09-02 | 1998-03-04 | Dsm N.V. | Recovery of epsilon-caprolactam from aqueous mixtures |
| JP2003507294A (ja) * | 1999-08-17 | 2003-02-25 | ディーエスエム エヌ．ブイ． | 硫酸アンモニウム溶液相と水性ラクタム相とを含む混合物を処理する方法 |
| 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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