DE2716527A1 - Verfahren zur reinigung von caprolactam mittels ozon - Google Patents
Verfahren zur reinigung von caprolactam mittels ozonInfo
- Publication number
- DE2716527A1 DE2716527A1 DE19772716527 DE2716527A DE2716527A1 DE 2716527 A1 DE2716527 A1 DE 2716527A1 DE 19772716527 DE19772716527 DE 19772716527 DE 2716527 A DE2716527 A DE 2716527A DE 2716527 A1 DE2716527 A1 DE 2716527A1
- Authority
- DE
- Germany
- Prior art keywords
- ozone
- caprolactam
- treatment
- solution
- oxidizing agent
- 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.)
- Withdrawn
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 60
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 20
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008014 freezing Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2210876 | 1976-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2716527A1 true DE2716527A1 (de) | 1977-10-20 |
Family
ID=11191608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772716527 Withdrawn DE2716527A1 (de) | 1976-04-09 | 1977-04-12 | Verfahren zur reinigung von caprolactam mittels ozon |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE853436A (enrdf_load_stackoverflow) |
| DE (1) | DE2716527A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2347351A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1537994A (enrdf_load_stackoverflow) |
| NL (1) | NL7703643A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5350847A (en) * | 1992-09-08 | 1994-09-27 | Basf Aktiengesellschaft | Purification of caprolactam |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1087136A (fr) * | 1952-11-15 | 1955-02-21 | Stamicarbon | Procédé pour purifier des lactames |
-
1977
- 1977-03-23 GB GB1232977A patent/GB1537994A/en not_active Expired
- 1977-04-04 NL NL7703643A patent/NL7703643A/xx not_active Application Discontinuation
- 1977-04-08 FR FR7710799A patent/FR2347351A1/fr active Granted
- 1977-04-08 BE BE176582A patent/BE853436A/xx unknown
- 1977-04-12 DE DE19772716527 patent/DE2716527A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1537994A (en) | 1979-01-10 |
| FR2347351A1 (fr) | 1977-11-04 |
| NL7703643A (nl) | 1977-10-11 |
| FR2347351B1 (enrdf_load_stackoverflow) | 1982-04-02 |
| BE853436A (fr) | 1977-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |