ID23781A - PROCESS FOR ACQUIRING CAPROLAKTAM FROM THE MIXED RESETTING MIXING - Google Patents
PROCESS FOR ACQUIRING CAPROLAKTAM FROM THE MIXED RESETTING MIXINGInfo
- Publication number
- ID23781A ID23781A IDW991289A ID991289A ID23781A ID 23781 A ID23781 A ID 23781A ID W991289 A IDW991289 A ID W991289A ID 991289 A ID991289 A ID 991289A ID 23781 A ID23781 A ID 23781A
- Authority
- ID
- Indonesia
- Prior art keywords
- caprolaktam
- resetting
- acquiring
- mixing
- mixed
- Prior art date
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1005927A NL1005927C2 (en) | 1997-04-29 | 1997-04-29 | Method for recovering caprolactam from a neutralized rearrangement mixture. |
Publications (1)
Publication Number | Publication Date |
---|---|
ID23781A true ID23781A (en) | 2000-05-11 |
Family
ID=19764875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IDW991289A ID23781A (en) | 1997-04-29 | 1998-04-20 | PROCESS FOR ACQUIRING CAPROLAKTAM FROM THE MIXED RESETTING MIXING |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0980356A1 (en) |
JP (1) | JP2001522371A (en) |
KR (1) | KR20010020300A (en) |
CN (1) | CN1253546A (en) |
AU (1) | AU6856598A (en) |
BG (1) | BG103833A (en) |
BR (1) | BR9809420A (en) |
CA (1) | CA2288156A1 (en) |
CO (1) | CO5040159A1 (en) |
EA (1) | EA199900982A1 (en) |
ID (1) | ID23781A (en) |
NL (1) | NL1005927C2 (en) |
PL (1) | PL336476A1 (en) |
SK (1) | SK148799A3 (en) |
TW (1) | TW408109B (en) |
WO (1) | WO1998049140A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002070475A1 (en) * | 2001-03-01 | 2002-09-12 | Dsm Ip Assets B.V. | Process for recovering and purifying caprolactam from an organic solvent |
TW200951112A (en) | 2008-06-13 | 2009-12-16 | China Petrochemical Dev Corp | System of recycle caprolactam form rearrangement mixture and method thereof |
CN101613311B (en) * | 2008-06-25 | 2013-01-02 | 中国石油化学工业开发股份有限公司 | System and method for reclaiming hexanolactam from rearrangement mixture |
IN2012DN05159A (en) * | 2009-12-18 | 2015-10-23 | Dsm Ip Assets Bv | |
CN102212033B (en) * | 2010-04-07 | 2013-02-27 | 中国科学院过程工程研究所 | Method for lowering caprolactam inclusion content in ammonium sulfate crystals |
CN102234248A (en) * | 2010-04-23 | 2011-11-09 | 中国石油化工股份有限公司 | Impurity extraction method for caprolactam production |
CN105408313B (en) * | 2013-07-26 | 2018-11-09 | Cap Iii 有限公司 | A kind of continuation method of commercial scale recycling caprolactam and crystalline sulfuric acid ammonium |
CN106316955A (en) * | 2016-10-28 | 2017-01-11 | 湖北三宁化工股份有限公司 | Refining device for high-purity caprolactam and purifying method |
CN108341763B (en) * | 2018-04-24 | 2020-12-01 | 河北美邦工程科技股份有限公司 | Caprolactam crystallization and purification method |
CN111471015B (en) * | 2019-01-24 | 2024-01-30 | 中国石油化工股份有限公司 | Device and method for recycling caprolactam in benzene distillation residual liquid |
CN109942492A (en) * | 2019-04-11 | 2019-06-28 | 江苏凌瑞化工科技有限公司 | A kind of caprolactam refining technique |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1031308B (en) * | 1956-11-10 | 1958-06-04 | Bayer Ag | Process for the production of pure caprolactam from the neutralized reaction mixture of the Beckmann rearrangement of cyclohexanone oxime |
DE3635363A1 (en) * | 1986-10-17 | 1988-04-21 | Basf Ag | METHOD FOR NEUTRALIZING REACTION MIXTURES OBTAINED BY BECKMANN'S RESTORATION OF CYCLOHEXANONOXIM |
JP2782919B2 (en) * | 1990-06-12 | 1998-08-06 | 宇部興産株式会社 | Method for purifying lactam-containing organic solution |
BE1007298A3 (en) * | 1993-07-19 | 1995-05-09 | Dsm Nv | PROCESS FOR THE PURIFICATION OF A WATER-EPSILON-caprolactam mixture. |
-
1997
- 1997-04-29 NL NL1005927A patent/NL1005927C2/en not_active IP Right Cessation
-
1998
- 1998-04-20 EA EA199900982A patent/EA199900982A1/en unknown
- 1998-04-20 JP JP54684498A patent/JP2001522371A/en active Pending
- 1998-04-20 AU AU68565/98A patent/AU6856598A/en not_active Abandoned
- 1998-04-20 ID IDW991289A patent/ID23781A/en unknown
- 1998-04-20 SK SK1487-99A patent/SK148799A3/en unknown
- 1998-04-20 CA CA002288156A patent/CA2288156A1/en not_active Abandoned
- 1998-04-20 EP EP98914149A patent/EP0980356A1/en not_active Withdrawn
- 1998-04-20 BR BR9809420-3A patent/BR9809420A/en not_active IP Right Cessation
- 1998-04-20 PL PL98336476A patent/PL336476A1/en unknown
- 1998-04-20 CN CN98804541A patent/CN1253546A/en active Pending
- 1998-04-20 WO PCT/NL1998/000216 patent/WO1998049140A1/en not_active Application Discontinuation
- 1998-04-20 KR KR1019997009904A patent/KR20010020300A/en not_active Application Discontinuation
- 1998-04-21 TW TW087106075A patent/TW408109B/en not_active IP Right Cessation
- 1998-04-27 CO CO98023022A patent/CO5040159A1/en unknown
-
1999
- 1999-10-25 BG BG103833A patent/BG103833A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1253546A (en) | 2000-05-17 |
SK148799A3 (en) | 2000-05-16 |
WO1998049140A1 (en) | 1998-11-05 |
EP0980356A1 (en) | 2000-02-23 |
AU6856598A (en) | 1998-11-24 |
EA199900982A1 (en) | 2000-06-26 |
BR9809420A (en) | 2000-06-13 |
NL1005927C2 (en) | 1998-11-02 |
BG103833A (en) | 2000-06-30 |
CA2288156A1 (en) | 1998-11-05 |
CO5040159A1 (en) | 2001-05-29 |
KR20010020300A (en) | 2001-03-15 |
TW408109B (en) | 2000-10-11 |
JP2001522371A (en) | 2001-11-13 |
PL336476A1 (en) | 2000-06-19 |
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