ES2065902T3 - Procedimiento para la elaboracion de residuos de destilacion que se producen en la purificacion de caprolactama. - Google Patents
Procedimiento para la elaboracion de residuos de destilacion que se producen en la purificacion de caprolactama.Info
- Publication number
- ES2065902T3 ES2065902T3 ES88114431T ES88114431T ES2065902T3 ES 2065902 T3 ES2065902 T3 ES 2065902T3 ES 88114431 T ES88114431 T ES 88114431T ES 88114431 T ES88114431 T ES 88114431T ES 2065902 T3 ES2065902 T3 ES 2065902T3
- Authority
- ES
- Spain
- Prior art keywords
- distillation
- caprolactama
- elaboration
- purification
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004821 distillation Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873729853 DE3729853A1 (de) | 1987-09-05 | 1987-09-05 | Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2065902T3 true ES2065902T3 (es) | 1995-03-01 |
Family
ID=6335369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES88114431T Expired - Lifetime ES2065902T3 (es) | 1987-09-05 | 1988-09-03 | Procedimiento para la elaboracion de residuos de destilacion que se producen en la purificacion de caprolactama. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4892624A (en, 2012) |
EP (1) | EP0306874B1 (en, 2012) |
JP (1) | JPH0816096B2 (en, 2012) |
DE (2) | DE3729853A1 (en, 2012) |
ES (1) | ES2065902T3 (en, 2012) |
IN (1) | IN171149B (en, 2012) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4322953A1 (de) | 1993-07-09 | 1995-01-12 | Basf Ag | Verfahren zur Gewinnung von Caprolactam und eines Alkalimetallcarbonats aus Destillationsrückständen, die bei der Reinigung von Caprolactam anfallen |
DE4407222A1 (de) * | 1994-03-04 | 1995-09-07 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams |
FR2781796B1 (fr) * | 1998-07-28 | 2000-09-22 | Rhone Poulenc Fibres | Procede de deshydratation de lactame |
DE10022988A1 (de) * | 2000-05-11 | 2001-11-15 | Basf Ag | Verfahren zur Aufbereitung von Pyrrolidon- und N-Vinylpyrrolidon-Rückständen |
FR2809395B1 (fr) * | 2000-05-26 | 2002-07-19 | Rhodia Polyamide Intermediates | Procede de purification de lactames |
EA005831B1 (ru) * | 2001-08-27 | 2005-06-30 | ДСМ Ай Пи ЭССЕТС Б. В. | Способ дистилляции щелочного капролактамового продукта при пониженном давлении |
US7022844B2 (en) | 2002-09-21 | 2006-04-04 | Honeywell International Inc. | Amide-based compounds, production, recovery, purification and uses thereof |
DE10253095A1 (de) * | 2002-11-13 | 2004-06-17 | Basf Ag | Verfahren zur Reinigung von Caprolactam |
JP4957555B2 (ja) * | 2005-11-25 | 2012-06-20 | 宇部興産株式会社 | ポリアミドの解重合方法及びポリアミドのモノマーの製造方法 |
PL2784102T3 (pl) | 2013-03-26 | 2016-06-30 | Uhde Inventa Fischer Gmbh | Sposób i urządzenie do ciągłej recyrkulacji wód ekstrakcyjnych w procesie produkcji poliamidu |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE858702C (de) * | 1950-12-12 | 1952-12-08 | Chemische Werke Huels G M B H | Verfahren zum Reinigen von Caprolactam |
US3037032A (en) * | 1953-05-28 | 1962-05-29 | Stamicarbon | Purification of phthalic anhydride, glycerol and phenol |
US3324011A (en) * | 1963-11-01 | 1967-06-06 | Du Pont | Stabilization of chloro-substituted aromatic amines during thermal stress |
CH547805A (de) * | 1970-10-01 | 1974-04-11 | Inventa Ag | Verfahren zur reinigung von lactamen. |
CH549020A (de) * | 1970-12-22 | 1974-05-15 | Inventa Ag | Verfahren zur reinigung von lactamen. |
CH547286A (de) * | 1971-01-06 | 1974-03-29 | Inventa Ag | Verfahren zur reinigung von lactamen. |
JPS5330303B2 (en, 2012) * | 1972-04-22 | 1978-08-25 | ||
DE2245300A1 (de) * | 1972-09-15 | 1974-03-28 | Bayer Ag | Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden |
IT1113404B (it) * | 1979-02-28 | 1986-01-20 | Snia Viscosa | Internazionale brevetti s.r.l.via brentano 2 milano |
DE2926279A1 (de) * | 1979-06-29 | 1981-01-08 | Basf Ag | Verfahren zur reinigung von caprolactam |
DD202870A1 (de) * | 1981-09-29 | 1983-10-05 | Leuna Werke Veb | Destillative reinigung von epsilon-caprolactam |
NL8303028A (nl) * | 1983-08-31 | 1985-03-18 | Stamicarbon | Winning van caprolactam uit caprolactam-bevattend destillatie-residu. |
US4582642A (en) * | 1984-06-27 | 1986-04-15 | Allied Corporation | Recovery of caprolactam from process residues |
DD251553A1 (de) * | 1986-07-31 | 1987-11-18 | Leuna Werke Veb | Verfahren zur reinigung von caprolactam |
JPH04111332A (ja) * | 1990-08-30 | 1992-04-13 | Nec Kyushu Ltd | Ic試験用治具 |
-
1987
- 1987-09-05 DE DE19873729853 patent/DE3729853A1/de not_active Withdrawn
-
1988
- 1988-08-18 IN IN591/MAS/88A patent/IN171149B/en unknown
- 1988-08-25 US US07/236,215 patent/US4892624A/en not_active Expired - Fee Related
- 1988-09-02 JP JP63218632A patent/JPH0816096B2/ja not_active Expired - Lifetime
- 1988-09-03 EP EP88114431A patent/EP0306874B1/de not_active Expired - Lifetime
- 1988-09-03 ES ES88114431T patent/ES2065902T3/es not_active Expired - Lifetime
- 1988-09-03 DE DE3852448T patent/DE3852448D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3729853A1 (de) | 1989-03-23 |
DE3852448D1 (de) | 1995-01-26 |
US4892624A (en) | 1990-01-09 |
EP0306874A2 (de) | 1989-03-15 |
IN171149B (en, 2012) | 1992-08-01 |
JPH0816096B2 (ja) | 1996-02-21 |
JPS6471854A (en) | 1989-03-16 |
EP0306874B1 (de) | 1994-12-14 |
EP0306874A3 (en) | 1990-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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