IT1016162B - Procedimento per il ricupero di epsilon caprolattame e solfato di ammonio da una miscela di reazione contenente lattame ed acido solfo rico - Google Patents
Procedimento per il ricupero di epsilon caprolattame e solfato di ammonio da una miscela di reazione contenente lattame ed acido solfo ricoInfo
- Publication number
- IT1016162B IT1016162B IT51708/74A IT5170874A IT1016162B IT 1016162 B IT1016162 B IT 1016162B IT 51708/74 A IT51708/74 A IT 51708/74A IT 5170874 A IT5170874 A IT 5170874A IT 1016162 B IT1016162 B IT 1016162B
- Authority
- IT
- Italy
- Prior art keywords
- recovery
- procedure
- reaction mixture
- mixture containing
- ammonium sulfate
- Prior art date
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title 1
- 239000002253 acid Substances 0.000 title 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 title 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 title 1
- 235000011130 ammonium sulphate Nutrition 0.000 title 1
- 150000003951 lactams Chemical class 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000011541 reaction mixture Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 229910052717 sulfur Inorganic materials 0.000 title 1
- 239000011593 sulfur Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7308834A NL7308834A (it) | 1973-06-26 | 1973-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1016162B true IT1016162B (it) | 1977-05-30 |
Family
ID=19819146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT51708/74A IT1016162B (it) | 1973-06-26 | 1974-06-24 | Procedimento per il ricupero di epsilon caprolattame e solfato di ammonio da una miscela di reazione contenente lattame ed acido solfo rico |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3907781A (it) |
| JP (1) | JPS5036483A (it) |
| AR (1) | AR199442A1 (it) |
| AT (1) | AT334382B (it) |
| AU (1) | AU476555B2 (it) |
| BE (1) | BE816872A (it) |
| BR (1) | BR7405226D0 (it) |
| CS (1) | CS168478B2 (it) |
| DD (1) | DD114078A5 (it) |
| DE (1) | DE2430757A1 (it) |
| ES (1) | ES427627A1 (it) |
| FR (1) | FR2235121B1 (it) |
| GB (1) | GB1434687A (it) |
| IN (1) | IN139743B (it) |
| IT (1) | IT1016162B (it) |
| NL (1) | NL7308834A (it) |
| SU (1) | SU552019A3 (it) |
| TR (1) | TR18106A (it) |
| ZA (1) | ZA744054B (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7410450A (nl) * | 1974-08-05 | 1976-02-09 | Stamicarbon | Werkwijze voor het winnen van epsilon-capro- lactam uit een epsilon-caprolactamzwavelzuur reactiemengsel. |
| NL7505130A (nl) * | 1975-05-01 | 1976-11-03 | Stamicarbon | Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan. |
| US4138472A (en) * | 1976-11-10 | 1979-02-06 | Basf Aktiengesellschaft | Process for obtaining coarsely crystalline pure ammonium sulfate |
| DE2651195C3 (de) * | 1976-11-10 | 1985-01-31 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von grobkristallinem reinem Ammonsulfat |
| DE2845019A1 (de) * | 1978-10-16 | 1980-04-30 | Basf Ag | Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung |
| FR2786180B1 (fr) * | 1998-11-19 | 2001-11-23 | Rhone Poulenc Fibres | Procede de traitement de lactames et procede de purification d'un lactame |
| EP1092681A1 (de) * | 1999-10-13 | 2001-04-18 | Va Tech Wabag AG | Verfahren zum Neutralisieren einer Abfallsäure und gleichzeitigem Gewinnen von Salzkristallen |
| EA022192B1 (ru) | 2010-07-02 | 2015-11-30 | ДСМ АйПи АССЕТС Б.В. | Высокотемпературная нейтрализация лактама |
| WO2013053377A1 (en) | 2011-10-10 | 2013-04-18 | Dsm Ip Assets B.V. | High temperature lactam neutralisation |
| CN103012273A (zh) * | 2012-11-26 | 2013-04-03 | 中国化学赛鼎宁波工程有限公司 | 一种己内酰胺重排液制备己内酰胺的中和结晶系统及其方法 |
| CN103145618B (zh) * | 2013-03-15 | 2014-06-18 | 东明天军化工有限公司 | 一种己内酰胺和硫酸铵联产的方法 |
| CN104356039B (zh) * | 2014-11-10 | 2017-02-15 | 河北美邦工程科技有限公司 | 一种己内酰胺制备工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2993889A (en) * | 1961-07-25 | Separation of a lactam from an acid | ||
| NL144600B (nl) * | 1964-03-07 | 1975-01-15 | Stamicarbon | Afscheiding van lactamen uit een sterk zwavelzuur milieu. |
| GB1123472A (en) * | 1965-01-21 | 1968-08-14 | Snia Viscosa | Improvements in or relating to the neutralization of acid solutions of caprolactam |
| US3852273A (en) * | 1971-05-07 | 1974-12-03 | Stamicarbon | Process for preparing and recovering lactams |
| NL164028C (nl) * | 1971-05-07 | 1980-11-17 | Stamicarbon | Werkwijze voor de afscheiding van lactamen. |
-
1973
- 1973-06-26 NL NL7308834A patent/NL7308834A/xx unknown
-
1974
- 1974-06-18 AT AT503874A patent/AT334382B/de active
- 1974-06-24 DD DD179427A patent/DD114078A5/xx unknown
- 1974-06-24 IT IT51708/74A patent/IT1016162B/it active
- 1974-06-24 SU SU2040365A patent/SU552019A3/ru active
- 1974-06-24 ZA ZA00744054A patent/ZA744054B/xx unknown
- 1974-06-24 US US482601A patent/US3907781A/en not_active Expired - Lifetime
- 1974-06-25 TR TR18106A patent/TR18106A/xx unknown
- 1974-06-25 ES ES427627A patent/ES427627A1/es not_active Expired
- 1974-06-25 FR FR7422071A patent/FR2235121B1/fr not_active Expired
- 1974-06-26 CS CS4506A patent/CS168478B2/cs unknown
- 1974-06-26 BR BR5226/74A patent/BR7405226D0/pt unknown
- 1974-06-26 AR AR254412A patent/AR199442A1/es active
- 1974-06-26 GB GB2839274A patent/GB1434687A/en not_active Expired
- 1974-06-26 DE DE2430757A patent/DE2430757A1/de active Pending
- 1974-06-26 BE BE145892A patent/BE816872A/xx unknown
- 1974-06-26 JP JP49073141A patent/JPS5036483A/ja active Pending
- 1974-07-02 AU AU70727/74A patent/AU476555B2/en not_active Expired
- 1974-07-26 IN IN1671/CAL/74A patent/IN139743B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES427627A1 (es) | 1976-10-16 |
| BE816872A (fr) | 1974-12-27 |
| US3907781A (en) | 1975-09-23 |
| BR7405226D0 (pt) | 1975-01-21 |
| SU552019A3 (ru) | 1977-03-25 |
| DD114078A5 (it) | 1975-07-12 |
| AU476555B2 (en) | 1976-09-30 |
| GB1434687A (en) | 1976-05-05 |
| ZA744054B (en) | 1975-10-29 |
| FR2235121A1 (it) | 1975-01-24 |
| JPS5036483A (it) | 1975-04-05 |
| CS168478B2 (it) | 1976-06-29 |
| NL7308834A (it) | 1974-12-30 |
| AR199442A1 (es) | 1974-08-30 |
| TR18106A (tr) | 1976-09-30 |
| DE2430757A1 (de) | 1975-01-23 |
| FR2235121B1 (it) | 1978-01-13 |
| AU7072774A (en) | 1976-01-08 |
| IN139743B (it) | 1976-07-24 |
| ATA503874A (de) | 1976-05-15 |
| AT334382B (de) | 1976-01-10 |
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