EA005831B1 - Способ дистилляции щелочного капролактамового продукта при пониженном давлении - Google Patents
Способ дистилляции щелочного капролактамового продукта при пониженном давлении Download PDFInfo
- Publication number
- EA005831B1 EA005831B1 EA200400360A EA200400360A EA005831B1 EA 005831 B1 EA005831 B1 EA 005831B1 EA 200400360 A EA200400360 A EA 200400360A EA 200400360 A EA200400360 A EA 200400360A EA 005831 B1 EA005831 B1 EA 005831B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- caprolactam
- product
- alkaline
- caprolactam product
- specified
- Prior art date
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims abstract description 325
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000002585 base Substances 0.000 claims abstract description 28
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 229940113721 aminocaproate Drugs 0.000 claims abstract description 14
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 13
- 238000004821 distillation Methods 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000009835 boiling Methods 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims description 10
- -1 alkali metal aminocaproate Chemical class 0.000 claims description 10
- 230000008707 rearrangement Effects 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- LRQKBLKVPFOOQJ-UHFFFAOYSA-N 2-aminohexanoic acid Chemical compound CCCCC(N)C(O)=O LRQKBLKVPFOOQJ-UHFFFAOYSA-N 0.000 claims description 4
- AKRJQFGOFJIQMW-UHFFFAOYSA-M NC(C(=O)[O-])CCCC.[Na+] Chemical compound NC(C(=O)[O-])CCCC.[Na+] AKRJQFGOFJIQMW-UHFFFAOYSA-M 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 3
- WWNJVAVKXSFZSH-UHFFFAOYSA-M NC(C(=O)[O-])CCCC.[K+] Chemical compound NC(C(=O)[O-])CCCC.[K+] WWNJVAVKXSFZSH-UHFFFAOYSA-M 0.000 claims description 2
- 230000008520 organization Effects 0.000 claims 1
- 239000003513 alkali Substances 0.000 abstract description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- VEZUQRBDRNJBJY-UHFFFAOYSA-N cyclohexanone oxime Chemical compound ON=C1CCCCC1 VEZUQRBDRNJBJY-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 238000011437 continuous method Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000006237 Beckmann rearrangement reaction Methods 0.000 description 1
- 101100326757 Drosophila melanogaster Capr gene Proteins 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 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
-
- 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)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01203217 | 2001-08-27 | ||
| EP01203215 | 2001-08-27 | ||
| EP01203214 | 2001-08-27 | ||
| PCT/NL2002/000558 WO2003018562A1 (en) | 2001-08-27 | 2002-08-23 | Process for distilling alkaline caprolactam product at reduced pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA200400360A1 EA200400360A1 (ru) | 2004-08-26 |
| EA005831B1 true EA005831B1 (ru) | 2005-06-30 |
Family
ID=27224307
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA200400359A EA006481B1 (ru) | 2001-08-27 | 2002-08-23 | Способ выделения капролактама |
| EA200400360A EA005831B1 (ru) | 2001-08-27 | 2002-08-23 | Способ дистилляции щелочного капролактамового продукта при пониженном давлении |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA200400359A EA006481B1 (ru) | 2001-08-27 | 2002-08-23 | Способ выделения капролактама |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US20050029086A1 (enExample) |
| EP (2) | EP1423369B1 (enExample) |
| JP (2) | JP4351908B2 (enExample) |
| KR (2) | KR100907146B1 (enExample) |
| CN (2) | CN1252050C (enExample) |
| AT (1) | ATE498611T1 (enExample) |
| AU (2) | AU2002313611A1 (enExample) |
| BR (2) | BR0212067A (enExample) |
| CO (2) | CO5560549A2 (enExample) |
| CZ (1) | CZ2004296A3 (enExample) |
| DE (1) | DE60239205D1 (enExample) |
| EA (2) | EA006481B1 (enExample) |
| ES (1) | ES2429363T3 (enExample) |
| MX (1) | MX298589B (enExample) |
| MY (2) | MY144901A (enExample) |
| PL (2) | PL370035A1 (enExample) |
| TW (2) | TW568793B (enExample) |
| WO (2) | WO2003018550A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050029086A1 (en) * | 2001-08-27 | 2005-02-10 | Groot Zevert Louise A | Process for distilling alkaline caprolactam product at reduced pressure |
| US7022844B2 (en) | 2002-09-21 | 2006-04-04 | Honeywell International Inc. | Amide-based compounds, production, recovery, purification and uses thereof |
| JP6320413B2 (ja) * | 2012-12-19 | 2018-05-09 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | シクロヘキサノンオキシムのベックマン転位からの精製カプロラクタムの製造方法 |
| US8841445B2 (en) | 2012-12-19 | 2014-09-23 | Basf Se | Process for preparing purified caprolactam from the Beckmann rearrangement of cyclohexane oxime |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202870C (enExample) | ||||
| CH549020A (de) * | 1970-12-22 | 1974-05-15 | Inventa Ag | Verfahren zur reinigung von lactamen. |
| NL7308100A (enExample) * | 1973-06-12 | 1974-12-16 | ||
| DE3030735A1 (de) * | 1980-08-14 | 1982-03-25 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von caprolactam durch spaltung von oligomeren des caprolactams |
| NL8102280A (nl) * | 1981-05-09 | 1982-12-01 | Stamicarbon | Werkwijze voor het zuiveren van epsilon-caprolactam. |
| US4720328A (en) * | 1981-06-26 | 1988-01-19 | Akzona Incorporated | Method for removing impurities from caprolactam |
| DD202870A1 (de) * | 1981-09-29 | 1983-10-05 | Leuna Werke Veb | Destillative reinigung von epsilon-caprolactam |
| IT1222419B (it) * | 1987-07-31 | 1990-09-05 | Friuli Chim Spa | Procedimento di purificazione del caprolattame |
| DE3729853A1 (de) * | 1987-09-05 | 1989-03-23 | Basf Ag | Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen |
| US5496641A (en) * | 1991-06-13 | 1996-03-05 | Nippon Sheet Glass Co., Ltd. | Plastic lens |
| DE4407222A1 (de) * | 1994-03-04 | 1995-09-07 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams |
| DE19500041A1 (de) † | 1995-01-03 | 1996-07-04 | Basf Ag | Verfahren zur kontinuierlichen Reinigung von aus 6-Aminocapronitril hergestelltem Roh-Caprolactam |
| FR2809395B1 (fr) † | 2000-05-26 | 2002-07-19 | Rhodia Polyamide Intermediates | Procede de purification de lactames |
| JP2002145863A (ja) † | 2000-11-02 | 2002-05-22 | Mitsubishi Chemicals Corp | ε−カプロラクタムの精製方法 |
| DE60239191D1 (de) † | 2001-03-01 | 2011-03-31 | Dsm Ip Assets Bv | Verfahren zur rückgewinnung und aufreinigung von caprolactam aus einem organischem lösungsmittel |
| US20050029086A1 (en) * | 2001-08-27 | 2005-02-10 | Groot Zevert Louise A | Process for distilling alkaline caprolactam product at reduced pressure |
-
2002
- 2002-08-23 US US10/487,673 patent/US20050029086A1/en not_active Abandoned
- 2002-08-23 EA EA200400359A patent/EA006481B1/ru not_active IP Right Cessation
- 2002-08-23 KR KR1020047002816A patent/KR100907146B1/ko not_active Expired - Lifetime
- 2002-08-23 CZ CZ2004296A patent/CZ2004296A3/cs unknown
- 2002-08-23 DE DE60239205T patent/DE60239205D1/de not_active Expired - Lifetime
- 2002-08-23 US US10/486,727 patent/US7615137B2/en not_active Expired - Lifetime
- 2002-08-23 AU AU2002313611A patent/AU2002313611A1/en not_active Abandoned
- 2002-08-23 JP JP2003523225A patent/JP4351908B2/ja not_active Expired - Fee Related
- 2002-08-23 ES ES02753297T patent/ES2429363T3/es not_active Expired - Lifetime
- 2002-08-23 AT AT02753298T patent/ATE498611T1/de not_active IP Right Cessation
- 2002-08-23 CN CNB028166736A patent/CN1252050C/zh not_active Expired - Lifetime
- 2002-08-23 BR BR0212067-4A patent/BR0212067A/pt not_active IP Right Cessation
- 2002-08-23 WO PCT/NL2002/000559 patent/WO2003018550A1/en not_active Ceased
- 2002-08-23 EP EP02753297.7A patent/EP1423369B1/en not_active Expired - Lifetime
- 2002-08-23 PL PL02370035A patent/PL370035A1/xx not_active IP Right Cessation
- 2002-08-23 KR KR20047002830A patent/KR20040031007A/ko not_active Ceased
- 2002-08-23 MX MXPA04001793 patent/MX298589B/es active IP Right Grant
- 2002-08-23 WO PCT/NL2002/000558 patent/WO2003018562A1/en not_active Ceased
- 2002-08-23 CN CNB028208226A patent/CN1284774C/zh not_active Expired - Lifetime
- 2002-08-23 BR BR0212118-2A patent/BR0212118A/pt not_active IP Right Cessation
- 2002-08-23 EP EP02753298.5A patent/EP1423361B8/en not_active Expired - Lifetime
- 2002-08-23 JP JP2003523214A patent/JP4368197B2/ja not_active Expired - Fee Related
- 2002-08-23 AU AU2002313612A patent/AU2002313612A/xx not_active Withdrawn
- 2002-08-23 PL PL02367897A patent/PL367897A1/xx unknown
- 2002-08-23 EA EA200400360A patent/EA005831B1/ru not_active IP Right Cessation
- 2002-08-26 TW TW091119258A patent/TW568793B/zh not_active IP Right Cessation
- 2002-08-26 TW TW091119262A patent/TWI311989B/zh not_active IP Right Cessation
- 2002-08-27 MY MYPI20023186A patent/MY144901A/en unknown
- 2002-08-27 MY MYPI20023187A patent/MY144316A/en unknown
-
2004
- 2004-02-18 CO CO04013833A patent/CO5560549A2/es not_active Application Discontinuation
- 2004-03-09 CO CO04021423A patent/CO5560607A2/es not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ KZ KG MD TJ TM |
|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): BY |
|
| PC4A | Registration of transfer of a eurasian patent by assignment |