SI3568389T1 - Postopek za čiščenje kaprolaktama iz raztopine surovega kaprolaktama brez ekstrakcije z organskimi topili - Google Patents
Postopek za čiščenje kaprolaktama iz raztopine surovega kaprolaktama brez ekstrakcije z organskimi topiliInfo
- Publication number
- SI3568389T1 SI3568389T1 SI201730638T SI201730638T SI3568389T1 SI 3568389 T1 SI3568389 T1 SI 3568389T1 SI 201730638 T SI201730638 T SI 201730638T SI 201730638 T SI201730638 T SI 201730638T SI 3568389 T1 SI3568389 T1 SI 3568389T1
- Authority
- SI
- Slovenia
- Prior art keywords
- caprolactam
- purification
- solution
- organic solvent
- solvent extraction
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0492—Applications, solvents used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/10—Vacuum distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
- C07D201/06—Preparation of lactams from or via oximes by Beckmann rearrangement from ketones by simultaneous oxime formation and rearrangement
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D223/08—Oxygen atoms
- C07D223/10—Oxygen atoms attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SI2017/050010 WO2019117817A1 (en) | 2017-12-15 | 2017-12-15 | Process for the purification of caprolactam from a solution of crude caprolactam without organic solvent extraction |
| EP17838004.4A EP3568389B1 (en) | 2017-12-15 | 2017-12-15 | Process for the purification of caprolactam from a solution of crude caprolactam without organic solvent extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SI3568389T1 true SI3568389T1 (sl) | 2021-03-31 |
Family
ID=61148459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SI201730638T SI3568389T1 (sl) | 2017-12-15 | 2017-12-15 | Postopek za čiščenje kaprolaktama iz raztopine surovega kaprolaktama brez ekstrakcije z organskimi topili |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US10787417B2 (sl) |
| EP (1) | EP3568389B1 (sl) |
| JP (1) | JP6852181B2 (sl) |
| CN (1) | CN110494420B (sl) |
| EA (1) | EA038223B1 (sl) |
| ES (1) | ES2860825T3 (sl) |
| HU (1) | HUE053673T2 (sl) |
| PL (1) | PL3568389T3 (sl) |
| SI (1) | SI3568389T1 (sl) |
| WO (1) | WO2019117817A1 (sl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800021409A1 (it) * | 2018-12-28 | 2020-06-28 | Aquafil S P A | Processo per la produzione di epsilon caprolattame dallacido 6-aminocaproico. |
| IT202100028601A1 (it) | 2021-11-10 | 2023-05-10 | Aquafil S P A | Procedimento per produrre epsilon-caprolattame mediante depolimerizzazione di policaprolattame (pa6). |
| CN115253380B (zh) * | 2022-08-19 | 2023-09-01 | 清元智能科技研究院(湖北)有限公司 | 一种己内酰胺萃取系统和方法 |
| WO2024175671A1 (en) | 2023-02-22 | 2024-08-29 | Basf Se | Process for depolymerizing polyamide prepared from caprolactam |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1258810A (sl) * | 1968-03-30 | 1971-12-30 | ||
| DE1926932A1 (de) * | 1968-07-19 | 1970-01-22 | Leuna Werke Veb | Verfahren zur Reinigung von Lactamen |
| DE2301587C3 (de) * | 1973-01-13 | 1981-02-26 | Bayer Ag, 5090 Leverkusen | Verfahren zur Entfernung von Borsäure aus Lactamen |
| CH593934A5 (sl) * | 1974-09-03 | 1977-12-30 | Inventa Ag | |
| IT1113404B (it) * | 1979-02-28 | 1986-01-20 | Snia Viscosa | Internazionale brevetti s.r.l.via brentano 2 milano |
| JPS57165364A (en) * | 1981-04-06 | 1982-10-12 | Unitika Ltd | Purification of recovered lactam |
| US6162906A (en) * | 1991-08-08 | 2000-12-19 | Fmc Corporation | Clarified konjac glucomannan |
| DE60239191D1 (de) * | 2001-03-01 | 2011-03-31 | Dsm Ip Assets Bv | Verfahren zur rückgewinnung und aufreinigung von caprolactam aus einem organischem lösungsmittel |
| EP1764542A1 (de) * | 2005-09-19 | 2007-03-21 | Siemens Aktiengesellschaft | Bausatz zur Erstellung einer Industrieanlage |
| JP2008056620A (ja) * | 2006-08-31 | 2008-03-13 | Toray Ind Inc | 回収ε−カプロラクタムの精製法 |
| DE102011055889B4 (de) * | 2011-11-30 | 2013-08-01 | Otc Gmbh | Verfahren zur Herstellung eines Protein-Hydrolysates |
-
2017
- 2017-12-15 CN CN201780089465.0A patent/CN110494420B/zh active Active
- 2017-12-15 US US16/488,016 patent/US10787417B2/en active Active
- 2017-12-15 PL PL17838004T patent/PL3568389T3/pl unknown
- 2017-12-15 EA EA201991703A patent/EA038223B1/ru unknown
- 2017-12-15 HU HUE17838004A patent/HUE053673T2/hu unknown
- 2017-12-15 JP JP2019550146A patent/JP6852181B2/ja active Active
- 2017-12-15 EP EP17838004.4A patent/EP3568389B1/en active Active
- 2017-12-15 ES ES17838004T patent/ES2860825T3/es active Active
- 2017-12-15 WO PCT/SI2017/050010 patent/WO2019117817A1/en unknown
- 2017-12-15 SI SI201730638T patent/SI3568389T1/sl unknown
-
2020
- 2020-08-21 US US17/000,116 patent/US11208380B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11208380B2 (en) | 2021-12-28 |
| EP3568389B1 (en) | 2021-01-20 |
| WO2019117817A1 (en) | 2019-06-20 |
| CN110494420A (zh) | 2019-11-22 |
| ES2860825T3 (es) | 2021-10-05 |
| JP6852181B2 (ja) | 2021-03-31 |
| US20210040036A1 (en) | 2021-02-11 |
| US10787417B2 (en) | 2020-09-29 |
| HUE053673T2 (hu) | 2021-07-28 |
| JP2020514350A (ja) | 2020-05-21 |
| CN110494420B (zh) | 2023-05-12 |
| EP3568389A1 (en) | 2019-11-20 |
| PL3568389T3 (pl) | 2021-06-28 |
| EA038223B1 (ru) | 2021-07-27 |
| US20190382339A1 (en) | 2019-12-19 |
| EA201991703A1 (ru) | 2020-01-09 |
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