ES280225A1 - Procedimiento de purificaciën de caprolactama cruda - Google Patents
Procedimiento de purificaciën de caprolactama crudaInfo
- Publication number
- ES280225A1 ES280225A1 ES0280225A ES280225A ES280225A1 ES 280225 A1 ES280225 A1 ES 280225A1 ES 0280225 A ES0280225 A ES 0280225A ES 280225 A ES280225 A ES 280225A ES 280225 A1 ES280225 A1 ES 280225A1
- Authority
- ES
- Spain
- Prior art keywords
- product
- water
- caprolactam
- evaporation
- distillation
- 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
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title abstract 10
- 238000000034 method Methods 0.000 title abstract 4
- 238000000746 purification Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 238000004821 distillation Methods 0.000 abstract 3
- 238000001704 evaporation Methods 0.000 abstract 3
- 230000008020 evaporation Effects 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 3
- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000009935 nitrosation Effects 0.000 abstract 1
- 238000007034 nitrosation reaction Methods 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1577061 | 1961-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES280225A1 true ES280225A1 (es) | 1962-11-01 |
Family
ID=11148210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0280225A Expired ES280225A1 (es) | 1961-08-30 | 1962-08-23 | Procedimiento de purificaciën de caprolactama cruda |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH421968A (fr) |
| ES (1) | ES280225A1 (fr) |
| GB (1) | GB1003858A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694349B (zh) * | 2017-10-24 | 2022-10-14 | 中国石油化工股份有限公司 | 一种己内酰胺精制的方法 |
-
1962
- 1962-08-15 GB GB31371/62A patent/GB1003858A/en not_active Expired
- 1962-08-23 ES ES0280225A patent/ES280225A1/es not_active Expired
- 1962-08-23 CH CH1003662A patent/CH421968A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH421968A (fr) | 1966-10-15 |
| GB1003858A (en) | 1965-09-08 |
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