ES8303352A1 - "un procedimiento para la purificacion de e caprolactama". - Google Patents
"un procedimiento para la purificacion de e caprolactama".Info
- Publication number
- ES8303352A1 ES8303352A1 ES511988A ES511988A ES8303352A1 ES 8303352 A1 ES8303352 A1 ES 8303352A1 ES 511988 A ES511988 A ES 511988A ES 511988 A ES511988 A ES 511988A ES 8303352 A1 ES8303352 A1 ES 8303352A1
- Authority
- ES
- Spain
- Prior art keywords
- stage
- caprolactam
- caprolactama
- purification
- procedure
- 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
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title abstract 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- 229920002292 Nylon 6 Polymers 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000017105 transposition Effects 0.000 abstract 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/11—Batch distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8102280A NL8102280A (nl) | 1981-05-09 | 1981-05-09 | Werkwijze voor het zuiveren van epsilon-caprolactam. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES511988A0 ES511988A0 (es) | 1983-02-01 |
| ES8303352A1 true ES8303352A1 (es) | 1983-02-01 |
Family
ID=19837470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES511988A Expired ES8303352A1 (es) | 1981-05-09 | 1982-05-07 | "un procedimiento para la purificacion de e caprolactama". |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4457807A (enExample) |
| EP (1) | EP0065168B1 (enExample) |
| JP (1) | JPS57192358A (enExample) |
| KR (1) | KR860000515B1 (enExample) |
| BR (1) | BR8202661A (enExample) |
| CA (1) | CA1182775A (enExample) |
| DE (1) | DE3265204D1 (enExample) |
| ES (1) | ES8303352A1 (enExample) |
| IN (1) | IN155613B (enExample) |
| NL (1) | NL8102280A (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4767503A (en) * | 1983-08-29 | 1988-08-30 | Allied Corporation | Removal of light impurities from caprolactam by distillation with water |
| NL8303028A (nl) * | 1983-08-31 | 1985-03-18 | Stamicarbon | Winning van caprolactam uit caprolactam-bevattend destillatie-residu. |
| DE4129076C2 (de) * | 1991-09-02 | 2001-11-15 | Domo Caproleuna Gmbh | Verfahren zur Reinigung von Caprolactam |
| 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 |
| US5458740A (en) * | 1994-03-04 | 1995-10-17 | Basf Corporation | Process for the purification of crude caprolactam |
| DE4407222A1 (de) * | 1994-03-04 | 1995-09-07 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams |
| US5900482A (en) * | 1995-07-20 | 1999-05-04 | Mitsubishi Chemical Corporation | Process for the preparation of ε-caprolactam |
| DE19648747A1 (de) * | 1996-11-25 | 1998-05-28 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam und seinen Oligomeren aus wässrigen Polycaprolactam-Extrakten |
| US5990306A (en) | 1997-09-03 | 1999-11-23 | Alliedsignal Inc. | Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet |
| FR2781796B1 (fr) * | 1998-07-28 | 2000-09-22 | Rhone Poulenc Fibres | Procede de deshydratation de lactame |
| FR2809395B1 (fr) * | 2000-05-26 | 2002-07-19 | Rhodia Polyamide Intermediates | Procede de purification de lactames |
| KR20040031007A (ko) * | 2001-08-27 | 2004-04-09 | 디에스엠 아이피 어셋츠 비.브이. | 감압하 알칼리 카프로락탐 생성물의 증류 방법 |
| BR0214414A (pt) * | 2001-11-26 | 2004-09-14 | Dsm Ip Assets Bv | Processo para recuperar caprolactama |
| US7022844B2 (en) | 2002-09-21 | 2006-04-04 | Honeywell International Inc. | Amide-based compounds, production, recovery, purification and uses thereof |
| US8034967B2 (en) * | 2007-11-30 | 2011-10-11 | Sabic Innnovative Plastics IP B.V. | Method of preparing a purified ester-substituted phenol stream |
| KR20100099310A (ko) * | 2007-12-20 | 2010-09-10 | 디에스엠 아이피 어셋츠 비.브이. | 변형된 후-증류에 의한 사이클로헥사논의 제조방법 |
| CZ308473B6 (cs) * | 2018-11-27 | 2020-09-09 | Vysoká škola chemicko-technologická v Praze | Způsob izolace ɛ-kaprolaktamu z horní laktamové fáze |
| CN114478343B (zh) * | 2022-02-24 | 2024-07-23 | 江苏扬农化工集团有限公司 | 己内酰胺的精制提纯方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL161063C (nl) * | 1969-04-05 | 1980-01-15 | Stamicarbon | Werkwijze voor het scheiden van vloeistoffen met behulp van een gelijkstroomverdamper met verticale pijpen. |
| DE2035859A1 (en) * | 1969-09-09 | 1971-03-11 | VEB Chemieanlagenbau Erfurt Rudis leben, χ 5211 Rudisieben | Purification of thermally unstable mater- - ials eg caprolactam |
| US3939153A (en) * | 1974-08-09 | 1976-02-17 | Hillyard Chemical Company | Process for producing caprolactam |
| 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 |
-
1981
- 1981-05-09 NL NL8102280A patent/NL8102280A/nl not_active Application Discontinuation
-
1982
- 1982-05-03 EP EP82103753A patent/EP0065168B1/en not_active Expired
- 1982-05-03 DE DE8282103753T patent/DE3265204D1/de not_active Expired
- 1982-05-05 IN IN1393/CAL/81A patent/IN155613B/en unknown
- 1982-05-06 KR KR8201971A patent/KR860000515B1/ko not_active Expired
- 1982-05-07 BR BR8202661A patent/BR8202661A/pt unknown
- 1982-05-07 ES ES511988A patent/ES8303352A1/es not_active Expired
- 1982-05-07 CA CA000402546A patent/CA1182775A/en not_active Expired
- 1982-05-07 US US06/376,001 patent/US4457807A/en not_active Expired - Fee Related
- 1982-05-07 JP JP57076435A patent/JPS57192358A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES511988A0 (es) | 1983-02-01 |
| EP0065168A1 (en) | 1982-11-24 |
| KR860000515B1 (ko) | 1986-05-02 |
| US4457807A (en) | 1984-07-03 |
| EP0065168B1 (en) | 1985-08-07 |
| BR8202661A (pt) | 1983-04-19 |
| CA1182775A (en) | 1985-02-19 |
| NL8102280A (nl) | 1982-12-01 |
| JPS57192358A (en) | 1982-11-26 |
| DE3265204D1 (en) | 1985-09-12 |
| IN155613B (enExample) | 1985-02-16 |
| KR830010064A (ko) | 1983-12-26 |
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