PL399928A1 - Caprolactam purification method - Google Patents
Caprolactam purification methodInfo
- Publication number
- PL399928A1 PL399928A1 PL399928A PL39992812A PL399928A1 PL 399928 A1 PL399928 A1 PL 399928A1 PL 399928 A PL399928 A PL 399928A PL 39992812 A PL39992812 A PL 39992812A PL 399928 A1 PL399928 A1 PL 399928A1
- Authority
- PL
- Poland
- Prior art keywords
- plant
- extraction
- purification method
- crystallization
- caprolactam purification
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Abstract
Przedstawiony na rysunku sposób oczyszczania kaprolaktamu skladajacy sie z operacji ekstrakcji, krystalizacji oraz rektyfikacji, w którym zawroty lugów pokrystalicznych z instalacji krystalizacji oraz pogonów z instalacji rektyfikacji kierowane sa do instalacji ekstrakcji, charakteryzuje sie tym, ze rafinat z instalacji ekstrakcji jest zatezany, a nastepnie jest rozdzielany na warstwe górna stanowiaca mieszanine zwiazków organicznych oraz warstwe dolna stanowiaca wodny roztwór siarczanu amonu.The method of caprolactam purification presented in the figure, consisting of extraction, crystallization and rectification operations, in which the turn of crystalline lyes from the crystallization plant and chases from the rectification plant are directed to the extraction plant is characterized by that the raffinate from the extraction plant is fueled and then separated into the upper layer constituting a mixture of organic compounds and the lower layer constituting an aqueous solution of ammonium sulfate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL399928A PL220803B1 (en) | 2012-07-12 | 2012-07-12 | Method for purifying caprolactam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL399928A PL220803B1 (en) | 2012-07-12 | 2012-07-12 | Method for purifying caprolactam |
Publications (2)
Publication Number | Publication Date |
---|---|
PL399928A1 true PL399928A1 (en) | 2014-01-20 |
PL220803B1 PL220803B1 (en) | 2016-01-29 |
Family
ID=49920781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL399928A PL220803B1 (en) | 2012-07-12 | 2012-07-12 | Method for purifying caprolactam |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL220803B1 (en) |
-
2012
- 2012-07-12 PL PL399928A patent/PL220803B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL220803B1 (en) | 2016-01-29 |
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