JP2006028125A5 - - Google Patents
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- Publication number
- JP2006028125A5 JP2006028125A5 JP2004211977A JP2004211977A JP2006028125A5 JP 2006028125 A5 JP2006028125 A5 JP 2006028125A5 JP 2004211977 A JP2004211977 A JP 2004211977A JP 2004211977 A JP2004211977 A JP 2004211977A JP 2006028125 A5 JP2006028125 A5 JP 2006028125A5
- Authority
- JP
- Japan
- Prior art keywords
- aminonitrile
- ammonia
- recovering
- solution containing
- aqueous
- 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.)
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Claims (3)
次いでアミノニトリル相を分離することを特徴とするアミノニトリルの回収方法。 After adding an inorganic salt to an aminonitrile aqueous solution containing ammonia, the ammonia is distilled off,
Next, the aminonitrile phase is separated, and a method for recovering the aminonitrile is provided.
質量％であることを特徴とする請求項１記載のアミノニトリルの回収方法。 The amount of inorganic salt added is 10 to 40 relative to the amount of water in the aqueous amino nitrile solution containing ammonia.
The method for recovering an aminonitrile according to claim 1, wherein the recovery is a mass%.
比が１：１〜１０であることを特徴とする請求項１記載のアミノニトリルの回収方法。 The method for recovering an aminonitrile according to claim 1, wherein the molar ratio of the aminonitrile content to the ammonia content in the aqueous aminonitrile solution containing ammonia is 1: 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004211977A JP4522772B2 (en) | 2004-07-20 | 2004-07-20 | Aminonitrile recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004211977A JP4522772B2 (en) | 2004-07-20 | 2004-07-20 | Aminonitrile recovery method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006028125A JP2006028125A (en) | 2006-02-02 |
| JP2006028125A5 true JP2006028125A5 (en) | 2007-08-09 |
| JP4522772B2 JP4522772B2 (en) | 2010-08-11 |
Family
ID=35894896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004211977A Expired - Fee Related JP4522772B2 (en) | 2004-07-20 | 2004-07-20 | Aminonitrile recovery method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4522772B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013245B2 (en) * | 1972-06-10 | 1975-05-19 | ||
| JPS5488219A (en) * | 1977-12-19 | 1979-07-13 | Sumitomo Chem Co Ltd | Purification of aminonitrile |
-
2004
- 2004-07-20 JP JP2004211977A patent/JP4522772B2/en not_active Expired - Fee Related
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