NL8101330A - Inrichting om vloeibare, thermische niet stabiele stofmengsels langs thermische weg te scheiden en in het bijzonder om caprolactam te scheiden van overwegend zure verontreinigingen of van neutrale derivaten van dergelijke verontreinigingen. - Google Patents
Inrichting om vloeibare, thermische niet stabiele stofmengsels langs thermische weg te scheiden en in het bijzonder om caprolactam te scheiden van overwegend zure verontreinigingen of van neutrale derivaten van dergelijke verontreinigingen. Download PDFInfo
- Publication number
- NL8101330A NL8101330A NL8101330A NL8101330A NL8101330A NL 8101330 A NL8101330 A NL 8101330A NL 8101330 A NL8101330 A NL 8101330A NL 8101330 A NL8101330 A NL 8101330A NL 8101330 A NL8101330 A NL 8101330A
- Authority
- NL
- Netherlands
- Prior art keywords
- distillation
- unit
- caprolactam
- thin
- fractionation
- Prior art date
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 46
- 239000000203 mixture Substances 0.000 title claims description 10
- 239000000126 substance Substances 0.000 title claims description 8
- 239000007788 liquid Substances 0.000 title claims description 7
- 230000007935 neutral effect Effects 0.000 title claims description 5
- 239000002253 acid Substances 0.000 title 1
- 239000003344 environmental pollutant Substances 0.000 title 1
- 238000004821 distillation Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 21
- 238000005194 fractionation Methods 0.000 claims description 19
- 239000012535 impurity Substances 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 230000009969 flowable effect Effects 0.000 claims 1
- 239000000047 product Substances 0.000 description 13
- 238000000746 purification Methods 0.000 description 5
- 150000001408 amides Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8020902A IT8020902A0 (it) | 1980-03-25 | 1980-03-25 | Procedimento ed apparecchiatura per la separazione continua per via termica di miscele liquide dicomposti termolabili. |
| IT2090280 | 1980-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8101330A true NL8101330A (nl) | 1981-10-16 |
Family
ID=11173792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8101330A NL8101330A (nl) | 1980-03-25 | 1981-03-18 | Inrichting om vloeibare, thermische niet stabiele stofmengsels langs thermische weg te scheiden en in het bijzonder om caprolactam te scheiden van overwegend zure verontreinigingen of van neutrale derivaten van dergelijke verontreinigingen. |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5716860A (enExample) |
| BE (1) | BE888091A (enExample) |
| BR (1) | BR8101743A (enExample) |
| DE (1) | DE3106350A1 (enExample) |
| FR (1) | FR2479217A1 (enExample) |
| GB (1) | GB2072025B (enExample) |
| IT (1) | IT8020902A0 (enExample) |
| NL (1) | NL8101330A (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3338488A1 (de) * | 1982-10-29 | 1984-05-03 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von temperaturempfindlichen produkten durch thermisch schonende destillation mittels eines mit einer destillationskolonne verbundenen duennschichtverdampfers und eine anordnung zur durchfuehrung des verfahrens |
| FR2540512B1 (fr) * | 1983-02-07 | 1988-09-09 | Martel Jean Pierre | Procede et installation polyvalente de distillerie avec concentration d'effluents ou de liquides thermosensibles |
| DE4407222A1 (de) * | 1994-03-04 | 1995-09-07 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams |
| FR2809395B1 (fr) | 2000-05-26 | 2002-07-19 | Rhodia Polyamide Intermediates | Procede de purification de lactames |
| HRP20020005A2 (en) | 2000-12-28 | 2003-04-30 | Lundbeck & Co As H | Process for the preparation of pure citalopram |
| EP1996486B1 (en) | 2006-02-02 | 2016-07-06 | Coty S.A.S. | Enclosure for a pressurized spray container |
| USD666491S1 (en) | 2011-07-15 | 2012-09-04 | S.C. Johnson & Son, Inc. | Overcap |
| CN111265902B (zh) * | 2020-03-09 | 2023-04-21 | 内蒙古兰格生物科技有限公司 | 连续精馏装置 |
| WO2022106685A1 (de) * | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Destillationseinheit und verfahren zur trennung eines flüssigen stoffgemisches in 2 bis 6 flüssige produktströme unterschiedlicher zusammensetzung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2035859A1 (en) * | 1969-09-09 | 1971-03-11 | VEB Chemieanlagenbau Erfurt Rudis leben, χ 5211 Rudisieben | Purification of thermally unstable mater- - ials eg caprolactam |
| IT1113404B (it) * | 1979-02-28 | 1986-01-20 | Snia Viscosa | Internazionale brevetti s.r.l.via brentano 2 milano |
-
1980
- 1980-03-25 IT IT8020902A patent/IT8020902A0/it unknown
-
1981
- 1981-02-20 DE DE19813106350 patent/DE3106350A1/de not_active Withdrawn
- 1981-03-18 NL NL8101330A patent/NL8101330A/nl not_active Application Discontinuation
- 1981-03-23 FR FR8105743A patent/FR2479217A1/fr active Granted
- 1981-03-24 BR BR8101743A patent/BR8101743A/pt unknown
- 1981-03-24 BE BE0/204232A patent/BE888091A/fr not_active IP Right Cessation
- 1981-03-24 GB GB8109182A patent/GB2072025B/en not_active Expired
- 1981-03-25 JP JP4384181A patent/JPS5716860A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR8101743A (pt) | 1981-09-29 |
| FR2479217A1 (fr) | 1981-10-02 |
| JPS5716860A (en) | 1982-01-28 |
| GB2072025B (en) | 1983-11-30 |
| IT8020902A0 (it) | 1980-03-25 |
| GB2072025A (en) | 1981-09-30 |
| FR2479217B1 (enExample) | 1984-06-08 |
| DE3106350A1 (de) | 1981-12-24 |
| BE888091A (fr) | 1981-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |